Silt fence, sediment basin, and turbidity-curtain providers for construction-site runoff and post-construction stabilization.

    Find a Erosion & Sediment Control Provider

    Matched providers: 27

    Top countries: United Kingdom, Netherlands

    Popular technologies: Automated pH Control Systems, Acid Dosing Systems

    Erosion and Sediment Control for Construction and Water-Infrastructure Projects

    Erosion and sediment control (ESC) protects receiving waters from construction-phase sediment loading under regulatory regimes including US EPA NPDES Construction General Permit (CGP), EU Water Framework Directive 2000/60/EC, and state and national equivalents. A compliant ESC plan integrates: source control (phased clearing, preserving vegetation, temporary stabilization of bare soil within 14 days per CGP); perimeter controls (silt fence per ASTM D6461, fiber rolls, compost berms, vegetated buffer strips); slope stabilization (RECPs, hydromulch, hydroseed, jute or coir blankets); concentrated-flow controls (check dams, swales, level spreaders); sediment trapping (sediment basins sized for 2-year 24-hour storm, dewatering bags, polymer-assisted clarification); and inlet protection. Inspection and maintenance is typically weekly plus within 24 hours of every 0.5-inch rainfall event.

    Discharge monitoring under CGP requires: turbidity sampling at any discharge point, with Numeric Effluent Limit (NEL) of 280 NTU instantaneous max in many states (some tighter); pH 6.0 to 9.0; visible sheen and floatables eliminated. Failure to comply triggers EPA enforcement: 51,796 USD per violation per day (2024 dollars, indexed annually). For large linear projects (pipelines, transmission mains) and watershed-sensitive sites, polymer-enhanced clarification (PEC) using anionic PAM dosed at 1 to 5 mg/L into sediment-laden flow can reduce turbidity from 1,000 to 5,000 NTU influent to under 50 NTU discharge with proper jar-testing and dosing pump control. Dewatering of trench excavations typically requires bag filters plus settling tanks plus PAM treatment to meet NEL.

    Aguato lists erosion and sediment control suppliers and service providers across product manufacturers (RECPs, silt fence, fiber rolls), installation contractors, hydroseed and stabilization specialists, and PEC dewatering services. Selection criteria: CPESC (Certified Professional in Erosion and Sediment Control) certified site staff, regional product availability with rapid replenishment, demonstrated NEL compliance on comparable construction sites, and integrated SWPPP (Stormwater Pollution Prevention Plan) preparation and inspection capability.

    Frequently Asked Questions

    What is an SWPPP and when is it required?

    A Stormwater Pollution Prevention Plan (SWPPP) is required under the US EPA NPDES Construction General Permit for any construction site disturbing 1 acre or more (or any site within a larger common plan of development). It documents the site-specific BMPs (Best Management Practices) deployed for erosion control, sediment control, pollution prevention, and post-construction stormwater management. SWPPP must be developed before construction starts, signed by a Qualified SWPPP Developer (QSD) in some states, maintained on site, updated when site conditions change, and made available to inspectors and the public. Equivalent regimes exist under EU member-state regulations and most national environmental codes.

    How is a sediment basin sized?

    EPA CGP requires sediment basins for sites with 10-plus acres draining to a common point, sized at minimum 3,600 cubic feet of storage per acre of drainage. Better practice (state stormwater manuals, Caltrans, Florida BMPs): size for the 2-year 24-hour storm runoff volume with 24-hour minimum residence time for settleable solids (Stokes law gives settling velocity of typical sediment 0.001 to 0.01 m/s, requiring depth-to-flow path ratios suitable for fine silts). Include a forebay (10 to 20 percent of volume) for coarse sediment capture and an outlet skimmer floating at the surface to discharge clean water from upper layers. Add PAM dosing block at inlet for fines under 50 micron.

    What is polymer-enhanced clarification (PEC) and when should I specify it?

    PEC uses anionic polyacrylamide (PAM) flocculant dosed into sediment-laden water to coagulate clay and silt particles (under 50 micron) that will not settle within practical residence times. Application methods: passive (PAM logs in channels, PAM-coated check dams), active (dosing pump into flow upstream of a settling tank or bag filter), or active treatment system (ATS) for high-volume dewatering at 50 to 500 gpm with 30-minute reaction time. Trigger conditions: site soils with over 30 percent silt-clay fraction, NEL-listed receiving water, basin sizing constrained, or dewatering of trenched excavations. Jar-test for dose (typical 1 to 5 mg/L) and PAM type (charge density, molecular weight) before deployment.

    What does erosion control cost per acre?

    Budget benchmarks (2025 USD, US): perimeter silt fence plus inlet protection plus temporary seeding for a flat 5-acre commercial site: 4,000 to 8,000 USD per acre. Add slope stabilization (RECPs, hydromulch): 6,000 to 15,000 USD per acre for moderate slopes (3:1 to 4:1). Sediment basin: 8,000 to 25,000 USD for a 1 to 5 acre-ft basin including excavation, outlet, riser, skimmer, emergency spillway. PEC dosing system: 2,000 to 6,000 USD per month rental plus 0.50 to 2.00 USD per 1,000 gal in PAM cost. Site monitoring and SWPPP inspections: 8,000 to 20,000 USD per year for a 12-month project. Total ESC budget is typically 1.5 to 4 percent of construction value.

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    Erosion & Sediment Control Companies

    Silt fence, sediment basin, and turbidity-curtain providers for construction-site runoff and post-construction stabilization.

    27 providers

    This page is a good fit if you need:

    • Automated pH Control Systems or Acid Dosing Systems capabilities
    • Suppliers with accreditations sector experience
    • Providers operating in United Kingdom or Netherlands
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    Find a Erosion & Sediment Control Provider

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    27 results from 27 matched providers

    Brine Consulting logo

    Brine Consulting

    Verified
    Netherlands1-50 employees
    Mechanical Vapor Recompression (MVR) · Atmospheric Evaporator · Spray Evaporator +130 more
    apac · china · europe +3 more

    BRINE CONSULTING delivers senior-level strategy, technical design, and actionable insight across the full lifecycle of water-related challenges. We support clients with advisory and due diligence, advanced brine management and resource recovery, industrial and municipal water reuse, and MLD/ZLD systems. Our team also leads ESG and climate-resilience strategy, innovation scouting, and international development and PPP advisory. With deep specialization in desalination, brine valorization, circular economy models, and high-impact infrastructure, we help organizations turn water and waste streams into opportunities, providing clear thinking, rapid delivery, and solutions built for real-world results.

    Activated Carbon Filtration
    Reverse Osmosis (RO) Systems
    Ultrafiltration (UF) Systems
    +85 more
    manufacturing
    energy-production
    Ecosystems International logo

    Ecosystems International

    Verified
    Indonesia51-200 employees
    Flat Sheet Microfiltration Units · Hollow Fiber MF Systems · Ceramic Microfiltration Modules +80 more
    apac · china · europe +3 more

    PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile. PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse. The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco. Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units

    Reverse Osmosis (RO) Systems
    Ultrafiltration (UF) Systems
    Multi-media Filtration (MMF) Systems
    +63 more
    agriculture
    manufacturing
    RCI Aquatech logo

    RCI Aquatech

    Verified
    India1-50 employees
    Mechanical Vapor Recompression (MVR) · Multiple Effect Evaporator (MEE) · Atmospheric Evaporator +76 more
    apac · europe · latam +1 more
    1 case studies

    Founded in 2009, formerly known as Red Circle Industries (RCI), RCI Aquatech creates custom wastewater solutions based on end users’ requirements, which allow for optimally chosen components resulting in a solution that meets or exceeds customer needs. RCI Aquatech’s wastewater treatment systems combine necessary process technologies to reach required state and federal discharge limits and comply with local regulations. Our systems focus on removal of pollutants such as heavy metals, greases, suspended solids, oils, high salt content, toxic compounds, phosphates and more. Using chemical-physical treatment (coagulation, flocculation, and sedimentation), biological treatment (aerobic and anaerobic) and wet chemical oxidation (persistent or toxic organics). Our expertise comprises the following technologies:  Filtration & softening systems  Physicochemical treatment (coagulation-flocculation)  Membrane filtration (UF & RO)  Ion exchange  Chemical oxidation  Biological treatment  Zero liquid discharge (ZLD) system

    Activated Carbon Filtration
    Microfiltration (MF) Systems
    Reverse Osmosis (RO) Systems
    +52 more
    manufacturing
    chemicals-pharmaceuticals
    Gi Aqua , Water as a Service logo

    Gi Aqua , Water as a Service

    Verified
    Saudi Arabia51-200 employees
    Advanced Oxidation Processes (AOPs) · Chemical Precipitation · Membrane Bioreactors (MBR) +3 more
    apac · europe · mea

    GI WAAS delivers cutting-edge water and wastewater solutions using advanced nanotechnology and zero total discharge solution sets industry standards. Our mission is to provide smart, sustainable, and decentralized treatment systems. We are committed to circular economy principles and reducing environmental impact. Our holistic approach provides comprehensive, tailor-made solutions that are designed to meet the specific needs of each client

    Water-as-a-Service (WaaS) Contracts
    Public-Private Partnerships (PPPs)
    Technology Leasing and Rental Solutions
    +13 more
    agriculture
    manufacturing
    C

    ChemTreat

    United States
    CTVista+ water management · Integrated monitoring systems · EZFloc clarification +2 more
    North America

    ChemTreat is one of the largest industrial water treatment companies in the United States, headquartered in Richmond, Virginia. It designs custom chemical treatment programs for boiler water, cooling water, pretreatment, wastewater and water reuse, combining field technical support, laboratory services and digital monitoring to improve efficiency and protect equipment across many industries.

    Boiler water treatment
    Cooling water treatment
    Pretreatment and filtration
    +2 more
    AkaNova logo

    AkaNova

    Netherlands1-50 employees
    Integrated Fixed-film Activated Sludge (IFAS) · Automated pH Control Systems · Membrane Bioreactors (MBR) +2 more
    europe

    AkaNova is manufacturer of NIQO systems®: the solution for wastewater. Wastewater treatment plants of NIQO systems® excel because of a high operational reliability and durability. They offer the highest adaptability for any situation. Treatment plants of NIQO Systems® have a longer life cycle and lower power consumption than other small sewage treatment plants.

    construction-real-estate
    hospitality-tourism
    ERG (Air Pollution Control) Ltd logo

    ERG (Air Pollution Control) Ltd

    United Kingdom

    ERG (Air Pollution Control) Limited is the leading supplier of wastewater odour control units (OCUs) for the UK Water Industry and increasingly supplies odour control systems around the world. In addition, ERG can provide specialist advice and solutions to assist in achieving IED compliance for relevant odour assets. In the past 10 years, we have provided over 200 OCUs and count all the UK water companies and major main contractors among our clients. So, whether you are looking for a large, multi-stage chemical scrubbing system, an environmentally friendly bio-trickling filter or bio-scrubber system, a simple but efficient activated carbon or dry media system, an Odorgard™ from ERG Hygrade, or even an RTO (Regenerative Thermal Oxidiser) system, ERG can develop a tailor-made solution to suit. All ERG Odour Control Systems are: Purpose-designed by our process engineers to eliminate the cocktail of inlet odours to the required standard. Optimised to give the best value capital and running costs. Built and tested to current BS EN and WIMES specifications. Guaranteed to achieve the required discharge odour concentration and supported by our skilled and experienced maintenance team. Minimising non-compliant emissions to atmosphere by regular, planned maintenance protects your reputation and saves you money. Our maintenance department can help keep your air pollution and odour control systems running effectively and at the lowest operating costs. Our specialist engineers are experts in maintaining most types of odour and air pollution control equipment and always work to the highest safety standards. We often save clients many thousands of pounds by repairing and enhancing dilapidated air pollution and odour control equipment. We are a framework supplier for odour control maintenance to Southern Water, Scottish Water and Thames Water, regularly maintaining more than 120 sites.

    Treatment Works Products/Services
    Trant Engineering Ltd logo

    Trant Engineering Ltd

    United Kingdom

    Trant provide high quality engineering and project delivery services to the municipal & industrial process & water treatment markets in the UK and Internationally. We have 60 years’ experience in the successful delivery of complex water, wastewater and process treatment solutions for the main UK process & water companies. We develop innovative, cutting edge process and water solutions using advanced technology. Working closely with our technology partner SFC Umwelttechnik, we are able to utilise proven advanced technology resulting in optimal solutions for our water and process industry clients in the UK and internationally. Our in-house design teams understand the stringent regulatory challenges faced by our clients and ensure that efficiency, resilience and sustainability are factored into all design solutions. Our design studio use the latest software including BIM, augmented and virtual reality to develop and detail high tech treatment process outputs. Our control & automation and offsite manufacturing & assembly facilities enable us to provide full in-house capability from project conception through to commissioning.

    Networks - Sewerage
    Accreditations
    Althon Ltd logo

    Althon Ltd

    United Kingdom

    Althon Precast Headwalls and Water Management Althon Limited manufacture and distribute specialist water management products to the construction industry. We design and manufacture precast concrete headwalls to meet Sewers for Adoption and Severn Trent Guidelines. Our product range includes flap valves, penstocks and stop logs as well as trash screens and outfall safety grilles. Althon also manufacture precast concrete penstock chambers and offer a large range of commercial and industrial application drainage channels. Headwalls Althon manufacture the largest range of precast concrete headwalls in the UK for pipes, culverts and box culverts. Precast headwalls are an important part of most SUDS drainage schemes, preventing erosion at the point of discharge into watercourses such as attenuation ponds, detention basins, rivers, ditches and swales. Headwall accessories All models can be factory fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails as well as a selection of gratings and ladders and other flow control methods such as dissipation blocks and cascade panels. Althon Headwall Drainage Standards & Guidelines Designed to BS EN 1992-1-1 (EC2) standards Manufactured to BS EN 15258 & BS EN 13369 standards Severn Trent Water specifications for rectangular precast outfalls Anglian Water approved headwalls Angled ranges that meets the EA’s ‘Standard rules SR2015 No 27’ Selected ranges meet the Sewers for Adoption 7th Edition guidelines to be adopted by local Water Authorities & comply with the Water Industry Regulations 2011 CPD courses https://cpduk.co.uk/directory/profile/althon-limited

    Precast Concrete
    Contractors
    Glenfield Invicta Ltd logo

    Glenfield Invicta Ltd

    United Kingdom

    From concept to completion, Glenfield Invicta’s end-to-end Project Solutions provide market leading valve and penstock engineering excellence, across a multitude of water utility and non-water utility infrastructure projects. The company combines the strength and unique proposition of Invicta’s site solutions, penstocks, and environmental expertise, with Glenfield’s experience and expertise in specifying and managing large Dams, Reservoirs and Hydropower projects. Supported by the vast product portfolio from the AVK Group of manufacturing companies. We are market leaders distinguished by our industry expertise, we have been designing and manufacturing specialist engineered valves and penstocks for more than 170 years. We stand behind every product we install for life, offering some of the best extended warranties in the industry. Our experienced and multi-skilled project team work closely with our partners and key stakeholders to ensure your project is executed to exacting standards. Our long history in designing, supplying, and installing highly engineered valves and pipeline equipment in projects is what sets us apart. Our projects are delivered safely, on time, and to the highest standards in arduous applications. This specialist capability has made the our brands synonymous with engineering excellence worldwide. We have recently invested over £2m in our Kilmarnock facility which extends to over 200,000 sq. ft. of manufacturing, office, warehousing, and education space. It includes a new purpose-built Learning Academy; which will include an interactive visitor centre. We are committed to training the apprentices and engineers of the future.

    Project Planning & Surveying
    Designers
    Costain logo

    Costain

    United Kingdom

    Costain works with water and wastewater companies to shape, create and deliver pioneering solutions that improve water quality, affordability and resilience. Population growth, regulatory changes, energy costs and climate change are having a dramatic impact on water usage. The national approach to managing water supply is changing to meet these challenges. The Government and industry regulator are tasked with cutting wastage and preserving an increasingly valuable resource, while protecting consumers from higher water bills. The water sector team offers: Expert input into consultation documents, close work with Government and water companies and innovative delivery, all of which help to minimise costs to water users while meeting national investment needs. A manufacturing mindset: programme optimisation advisory services, standard product development, production controls, whole-life costing and lean delivery processes. Cross-sector best practice: we provide value for our clients by drawing on experience from across the company and by working closely with our decarbonisation experts to drive regional growth strategies. Technology integration: working with some of the UK’s leading asset and data analytics organisations we analyse large volumes of real time data to create greater benefits for our customers through optimised maintenance, pump operation, energy and chemical usage. Current water industry frameworks: Anglian Water – Strategic Pipeline Alliance Severn Trent Southern Water – CMDP JV Thames Water United Utilities – Maintenance Service Provider Yorkshire Water – Technical Services

    Programme Management
    Contractors
    Total Automation & Power logo

    Total Automation & Power

    United Kingdom

    Total Automation & Power (TAP) is a formal joint venture between Cougar Automation Ltd and Technical Control Systems Ltd. Formed in 2005, it has delivered hundreds of projects worth tens of millions of pounds. Current water and wastewater frameworks include Severn Trent, Thames, Welsh & Yorkshire Water. Working with TAP is just like working with a single company. Every project has a dedicated project manager who coordinates all the work and gives you a single point of contact. You place a single order for all of your electrical and control system design, supply and installation so you can concentrate on delivering your project without having to worry about placing and managing separate orders for MCCs, a control system and electrical installation. Unlike separate orders, both companies stand behind the whole scope and unlike a contract/sub-contract arrangement we don’t mark up each other’s price. Projects are easy to manage, secure and competitively priced. Supporting clients from initial concept design stage through to on-site commissioning, TAP collaborates with clients at every stage to evaluate designs to optimise TOTEX outcomes. When you choose TAP as your partner you get an unrivalled combination of expertise: Control System, SCADA & PLC expertise from Cougar Automation in six regional offices throughout the UK. MCC, low voltage assembly and panel expertise from Technical Control Systems’ manufacturing facility in Leeds.

    Networks - Sewerage
    Asset Maintenance & Rehabilitation
    FLI Precast Solutions logo

    FLI Precast Solutions

    United Kingdom

    FLI Precast Solutions (formerly FLI Carlow) provide design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Our markets include Water, Wastewater, Energy and Storm Attenuation in the UK & Ireland and bespoke projects globally. SERVICES INCLUDE Design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Design to national and international water industry standards and our semi-precast modular designs make us the industry leader in off-site concrete engineering and manufacture. By early involvement and integrating with our clients’ design teams we can accelerate and improve design optimisation and reduce cost. The value is in the solution, and off-site manufacturing and fabrication leads to higher efficiencies and lower risks and costs. Framework agreements enable us to add more value through collaboration, innovation, economies of scale, supply chain partnering and cost management. Our products and designs are engineered to provide solutions to many challenges facing our clients: water retention, water storage, water conveyancing, water management, water treatment, fire-resistance criteria, chemical resistance parameters, infrastructural products, retaining walls, coastal erosion, decorative walls, to name a few. We are a solutions provider using innovative off-site concrete engineering and our industry leading semi-precast modular designs. The company is part of the FLI Group which is a diversified group of companies providing environmental solutions, services and technologies to private and public sector customers in the UK, France, Ireland and throughout the world. PRODUCTS INCLUDE Service reservoirs Process settlement tanks (PST / HST / FST / etc) Storm & attenuation tanks (network or site based) Process structures (ASP / TSR / GAC / RGF / etc) MCC service foundations Bund wall system Chambers Channel & lids Comms chambers Multi-purpose chambers Bespoke culverts Holding tanks Barriers Demountable fence supports (international airport approved) Ballast blocks Dry flow channelling Foundation bases Blast fence supports

    Precast Concrete
    Concrete Works
    Quantum Engineering Developments Ltd logo

    Quantum Engineering Developments Ltd

    United Kingdom

    Quantum Engineering Developments Limited specialises in the design, construction installation and commissioning of surge control systems, compressed air systems and booster pump sets. Surge Control Systems Surge conditions, or ‘water hammer’ can occur due to starting or stopping a pump, or failures in the power supply, controls or valves. Quantum Engineering is the leading UK supplier of surge vessels and related control equipment for the alleviation of this effect. All systems can include a patented QUBE controller, developed especially for surge vessel and accumulator control in complex variable flow rate and multi-pump systems. Packaged Booster Pump Sets The company supplies booster sets suitable for applications in final effluent and potable water booster pumps for sewage and water treatment installations. Control Panels Quantum Engineering specialises in the construction of multi-compartment control panel suites to suit the requirements of most UK water authorities. Electrical control panels are available with relay, PLC and microprocessor controlled logic systems, including variable speed drives and soft start, as well as conventional DOL and STAR/DELTA starters. Accreditation All systems are factory tested in house, and are assembled and fitted to meet current statutory requirements, including UK pressure systems legislation and DWI Regulations 25 and 31. Recent Contracts QED supply and install surge vessels via both main contractors and direct with the end users, to nearly all of the UK water companies on both new and replacement/refurbishment projects. What can Quantum do for you today?

    Accreditations
    Cadman Cranes Ltd logo

    Cadman Cranes Ltd

    United Kingdom

    Cadman Cranes is a leading provider of lifting solutions in the UK with over 50 years’ experience and a reputation for quality, reliability and safety. At the very forefront of sustainability within the industry, Cadman Cranes offer responsible and collaborative turn-key solutions across all industries. From depots in Colchester and Brentwood, Cadman is ideally positioned to cover the East of England and beyond, living and breathing its mission to provide safe lifting solutions to industry and communities in a collaborate, considerate and sustainable way. Cadman has always placed great importance on delivering so much more than just crane hire. Its values are focussed on the success of its clients, its people and its community, and it takes great pride in going the extra mile on every job, no matter how big or small. Cadman Cranes add value to your hard work and offer a full-service lifting solution that goes far beyond just crane hire. It doesn’t just look for customers, it looks for partnerships based on trust, quality and safety. Services include: Contract lift services: Our complete package service is ideal for those who require a fully managed lifting solution, removing your risk and liability, and ensuring that we deal with all of the ‘heavy lifting’. Crane hire services: Cadman Cranes is the leading crane rental company in the East of England, providing crane hire across London, Essex, East Anglia, and all over the UK. With cranes available 24/7, 365 days a year, we are well positioned to keep your operations moving. Tank clearance, dredging, and grab solutions: Cadman Cranes offers innovative tank clearance solutions with our custom-designed grab attachment. The remote-controlled grab, mounted to the hooks of our mobile cranes, can reach up to 60 meters and handle a variety of materials, including sewage waste, sludge, grit, mud, and sand. This service is ideal for wastewater treatment plants, sewage facilities, digester tanks, aeration tanks, ports, and any industrial sites that require regular tank cleaning, maintenance, or dredging. Specialist lifting equipment for utility installation projects: Utilising our range of specialist lifting equipment, we have assisted on some of the most complex utility installation projects throughout the East of England, solving problems currently unimaginable by other mobile crane hire companies. Our innovative Compact Crawler Cranes, in combination with our remote-controlled telescopic hydraulic grab, have proved invaluable in providing the highest level of service and crane hire to the utilities sector. If you would like to work with Cadman Cranes or are looking to add a safe and considerate crane hire solution to your list of approved suppliers, Cadman would love to hear from you.

    Asset Maintenance & Rehabilitation
    Metasphere Ltd logo

    Metasphere Ltd

    United Kingdom

    Metasphere helps customers prevent leaks and spills for a cleaner, greener world. As a wastewater application specialist business, we provide monitoring solutions to the global utility industry with over 40 000 installations in 25 major utilities. Metasphere liaises with all sectors of the industry, from major utility companies to environmental and regulatory bodies. Utilising the latest technology, we deliver intelligent, innovative all-in-one telemetry solutions that provide full network visibility, performance and forecasting that reduce telemetry ownership cost for customers to manage time-critical remote assets and systems. Our solutions are suited for Water, Wastewater, Environmental and Gas applications.

    Control & Automation
    AVK UK Ltd logo

    AVK UK Ltd

    United Kingdom

    AVK UK is part of the globally renowned AVK Group who are based in over 100+ countries and has over 4,500+ employees worldwide. The AVK Group is privately owned by the founder Niels Aage Kjaer, and is named after his father Aage Valdemar Kjaer. As part of the AVK Group, we pride ourselves in being one of the leading valve manufacturers for the water, sewage, firefighting, and gas industries. Our product program comprises a large range of valves, hydrants, pipe fittings and accessories, each complying with the highest standards of safety and durability. Our focus is on the products designed and manufactured to the British Standards, however, the AVK Group today offers products in accordance with the most national and international standards. Our product portfolio also includes AVK Smart Water Management valves and sensors for real-time network information and status. We also offer Pressure Management solutions such as air valves, PRVs, and control valves, AVK Assist which enables GPS product location and, the market leading Donkin PUR range of gas valves. Our UK sales offices and manufacturing sites respond quickly to the needs of our customers and for fittings required on an express or emergency service we have a dedicated same day 24/7 helpline – 0800 202 8228. In addition, we cooperate with local and national distributor partners to offer our customers AVK products as part of multi-product packages. AVK UK is the sales division and has offices in Staveley, near Chesterfield, also known as the home of Bryan Donkin gas valves, and Northampton. AVK in the UK comprises of 7 companies and has over 500 employees. Find out more here: https://www.avkuk.co.uk/en-gb/solutions-and-information/about/avk-in-the-uk/avk-uk

    Treatment Works Products/Services
    Asset Maintenance & Rehabilitation
    Air Technology Systems logo

    Air Technology Systems

    United Kingdom

    Air Technology Systems (ATS) have been designing and supplying ventilation and odour control solutions to the water industry for over 20 years. Working closely with the main contractors/M&E Contractors in the industry, we have installed our systems into all major water companies. Our Range of services include: Surveys of existing ventilation and odour control systems. Upgrades, maintenance and modification of existing systems. The design, supply, installation and commissioning of new ventilation and odour control systems. We have our own experienced installation teams. We have our own NIC EIC registered electrical engineers. We work collaboratively with the client to ensure that the system design is optimised and meets the primary objectives e.g TOTEX, Level of performance etc. VENTILATION Our ventilation solutions are a combination of traditional and propriety techniques, including our innovative JETFLO system which maximises the ventilation efficiency and can reduce the overall extract volume, excellent for reducing condensation and ensuring fresh air is delivered where needed, this not only reduces energy consumption, but can reduce the size and cost of odour control units. ODOUR CONTROL Our unique alliance with Europe’s largest manufacturers of specialist odour control products, CMI Europe Environment, is a major strength. We can offer all proven odour control technologies, from carbon filtration and catalytic dry scrubbers, through to bio filtration and chemical scrubbing. Solutions often require a combination of these techniques. All equipment on the odour control plinth is sourced from CMI EE’s state of the art facility and is pre-assembled for inspection prior to dispatch. This provides us with a unique level of quality control. Our specialist rope access division allows us to gain access to places where mechanical scaffold/access is going to be either very difficult or cost prohibitive. Our wide range of expertise design and project management experience, combined with close collaboration with the client is the reason we have an excellent reputation in the industry.

    Accreditations
    Odour Control
    Intelect logo

    Intelect

    United Kingdom

    At Intelect, we have over 25 years experience in providing engineering expertise to clients in process industries. Intelect have worked with Northumbrian Water and its Tier 1 suppliers and partners for over a decade, and during this time, we have provided services in design, electrical installation, control panels and pipework services. Our attention to detail, quality, and attitude to Health and Safety has been consistently recognised by our clients over the years, with us receiving numerous awards for the projects we have completed. Our flexible workforce of apprentices, engineers and project managers allows us to efficiently complete any project to our client’s requirements. On-going innovation and investment in our business means that we have the latest training and technology to execute high quality engineering projects, from design through to commissioning, all whilst maintaining best practices in Health and Safety. Intelect are committed to working in partnership with both contractors and suppliers within the utility sector, sharing our expertise and knowledge to help support companies who provide utilities to homes and businesses across the North East and the rest of the country.

    Networks - Water Supply
    Contractors
    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd) logo

    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd)

    United Kingdom

    Suppliers of FujiClean Sewage Treatment Systems & Manufacturers of Inlet Screeners Haigh Environmental is part of the Haigh Group Ltd, an established provider of specialist water and waste services in the UK, employing around 120 people. Providing next-generation water treatment solutions that protect our waterways for future generations is at the heart of our business. Driven by impact, not profit, we pride ourselves on our open-minded, transparent approach, taking a long-term view on the right solutions for our clients and local communities. We supply a range of screens and package water treatment plants, including the pioneering FujiClean system – with excellent results across all relevant metrics. Simplicity is at the heart of our value proposition. As a response to increased environmental permit requirements, complex solutions have emerged across the water industry in a piecemeal fashion, often leading to non-standardised, expensive and over-engineered systems. Working together with utility companies, contractors and communities, we are leveraging the expertise of our experienced team to offer practical, cost-effective and standardised alternatives to septic tanks and conventional chemical dosing treatment options.

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    Erosion and Sediment Control for Construction and Water-Infrastructure Projects

    Erosion and sediment control (ESC) protects receiving waters from construction-phase sediment loading under regulatory regimes including US EPA NPDES Construction General Permit (CGP), EU Water Framework Directive 2000/60/EC, and state and national equivalents. A compliant ESC plan integrates: source control (phased clearing, preserving vegetation, temporary stabilization of bare soil within 14 days per CGP); perimeter controls (silt fence per ASTM D6461, fiber rolls, compost berms, vegetated buffer strips); slope stabilization (RECPs, hydromulch, hydroseed, jute or coir blankets); concentrated-flow controls (check dams, swales, level spreaders); sediment trapping (sediment basins sized for 2-year 24-hour storm, dewatering bags, polymer-assisted clarification); and inlet protection. Inspection and maintenance is typically weekly plus within 24 hours of every 0.5-inch rainfall event.

    Discharge monitoring under CGP requires: turbidity sampling at any discharge point, with Numeric Effluent Limit (NEL) of 280 NTU instantaneous max in many states (some tighter); pH 6.0 to 9.0; visible sheen and floatables eliminated. Failure to comply triggers EPA enforcement: 51,796 USD per violation per day (2024 dollars, indexed annually). For large linear projects (pipelines, transmission mains) and watershed-sensitive sites, polymer-enhanced clarification (PEC) using anionic PAM dosed at 1 to 5 mg/L into sediment-laden flow can reduce turbidity from 1,000 to 5,000 NTU influent to under 50 NTU discharge with proper jar-testing and dosing pump control. Dewatering of trench excavations typically requires bag filters plus settling tanks plus PAM treatment to meet NEL.

    Aguato lists erosion and sediment control suppliers and service providers across product manufacturers (RECPs, silt fence, fiber rolls), installation contractors, hydroseed and stabilization specialists, and PEC dewatering services. Selection criteria: CPESC (Certified Professional in Erosion and Sediment Control) certified site staff, regional product availability with rapid replenishment, demonstrated NEL compliance on comparable construction sites, and integrated SWPPP (Stormwater Pollution Prevention Plan) preparation and inspection capability.

    Post your erosion & sediment control project — get matched proposals

    Frequently Asked Questions

    What is an SWPPP and when is it required?

    A Stormwater Pollution Prevention Plan (SWPPP) is required under the US EPA NPDES Construction General Permit for any construction site disturbing 1 acre or more (or any site within a larger common plan of development). It documents the site-specific BMPs (Best Management Practices) deployed for erosion control, sediment control, pollution prevention, and post-construction stormwater management. SWPPP must be developed before construction starts, signed by a Qualified SWPPP Developer (QSD) in some states, maintained on site, updated when site conditions change, and made available to inspectors and the public. Equivalent regimes exist under EU member-state regulations and most national environmental codes.

    How is a sediment basin sized?

    EPA CGP requires sediment basins for sites with 10-plus acres draining to a common point, sized at minimum 3,600 cubic feet of storage per acre of drainage. Better practice (state stormwater manuals, Caltrans, Florida BMPs): size for the 2-year 24-hour storm runoff volume with 24-hour minimum residence time for settleable solids (Stokes law gives settling velocity of typical sediment 0.001 to 0.01 m/s, requiring depth-to-flow path ratios suitable for fine silts). Include a forebay (10 to 20 percent of volume) for coarse sediment capture and an outlet skimmer floating at the surface to discharge clean water from upper layers. Add PAM dosing block at inlet for fines under 50 micron.

    What is polymer-enhanced clarification (PEC) and when should I specify it?

    PEC uses anionic polyacrylamide (PAM) flocculant dosed into sediment-laden water to coagulate clay and silt particles (under 50 micron) that will not settle within practical residence times. Application methods: passive (PAM logs in channels, PAM-coated check dams), active (dosing pump into flow upstream of a settling tank or bag filter), or active treatment system (ATS) for high-volume dewatering at 50 to 500 gpm with 30-minute reaction time. Trigger conditions: site soils with over 30 percent silt-clay fraction, NEL-listed receiving water, basin sizing constrained, or dewatering of trenched excavations. Jar-test for dose (typical 1 to 5 mg/L) and PAM type (charge density, molecular weight) before deployment.

    What does erosion control cost per acre?

    Budget benchmarks (2025 USD, US): perimeter silt fence plus inlet protection plus temporary seeding for a flat 5-acre commercial site: 4,000 to 8,000 USD per acre. Add slope stabilization (RECPs, hydromulch): 6,000 to 15,000 USD per acre for moderate slopes (3:1 to 4:1). Sediment basin: 8,000 to 25,000 USD for a 1 to 5 acre-ft basin including excavation, outlet, riser, skimmer, emergency spillway. PEC dosing system: 2,000 to 6,000 USD per month rental plus 0.50 to 2.00 USD per 1,000 gal in PAM cost. Site monitoring and SWPPP inspections: 8,000 to 20,000 USD per year for a 12-month project. Total ESC budget is typically 1.5 to 4 percent of construction value.

    Case Study·Water infrastructure construction
    Challenge

    A water main replacement programme in North Yorkshire involved 8 km of 450 mm ductile iron main through agricultural land and crossing two chalk streams classified as chalk stream priority habitat under the England Chalk Stream Strategy. EA discharge consents required turbidity in the streams to remain below 30 NTU at all times during construction.

    Approach

    Appointed an ESC specialist to develop a site-specific Construction Environmental Management Plan (CEMP). Deployed: jute erosion mats on all temporary topsoil mounds within 10 m of watercourses, silt fencing as secondary perimeter control, temporary coffer dams with dewatering bags and PAM dosing at each stream crossing, and a turbidity logging station (15-minute telemetry) at the downstream end of each crossing. Construction activities near crossings were restricted to periods of low flow.

    Outcome

    All stream turbidity readings remained below 25 NTU throughout the 14-month programme. Zero EA enforcement notices. EA inspector confirmed the CEMP as a reference standard for chalk stream construction management. ESC cost 87,000 GBP (1.2 percent of contract value); EA enforcement fine avoided (up to 50,000 GBP per violation per day under EPR 2016). Ecological monitoring confirmed no exceedance of WFD chalk stream quality objectives.

    Questions to Ask Shortlisted Providers

    1. 1

      Is your ESC plan site-specific and does it include a PAM jar-testing protocol for our soil type, and who is the CPESC-certified person responsible for the plan?

      Generic ESC plans applied to site-specific conditions routinely fail. PAM dose rate and charge density must be jar-tested against your actual soil (clay percentage, pH, cation exchange capacity) to achieve effective flocculation. A CPESC-certified (UK: IECA Europe certified) individual providing plan oversight is the professional standard for EA-permitted construction sites.

    2. 2

      How frequently will your team inspect and maintain ESC measures, and what is the trigger for immediate remediation after a rainfall event?

      ESC measures fail through maintenance neglect. Under EPR 2016 and EA permit conditions for chalk stream crossings, inspection must occur after every significant rainfall event (typically above 5 mm in 24 hours). A contractor who inspects ESC measures only weekly in a rainy autumn is creating regulatory exposure for the client.

    3. 3

      Have you worked on EA-permitted chalk stream or SSSI watercourse crossings before, and can you provide the EA compliance report from that site?

      Chalk streams are a priority habitat under the Environment Act 2021 and subject to enhanced scrutiny by Natural England and the EA. Contractors without chalk stream crossing experience are high-risk for EA enforcement action. Request an actual EA compliance report (turbidity monitoring data, event log) from a comparable project.

    4. 4

      What is your protocol for a turbidity exceedance event: at what NTU reading will you halt work, and how quickly can you deploy emergency polymer-enhanced clarification?

      Even with best-practice ESC, rainfall-induced exceedances occur. The response protocol (work halt trigger, PAM dosing deployment time, EA notification procedure) determines whether an exceedance becomes an enforcement notice. Confirm the contractor has PAM dosing equipment on-site (not on 24-hour call) at all active crossings.

    5. 5

      How will you dispose of settled sediment and PAM-treated water from dewatering operations, and have you confirmed the disposal route complies with EA Regulatory Position Statement CCP3?

      Dewatering water from trench excavations near watercourses must be settled and treated before disposal. EA Regulatory Position Statement CCP3 sets conditions for dewatering discharge to surface water or sewer. PAM-treated water contains polyacrylamide residuals that must be below the EA's guidance level (0.5 mg/L acrylamide monomer) before discharge.

    What Drives Cost in This Category

    Proximity to sensitive watercourses and EA permit conditions

    Standard ESC for construction away from watercourses costs 0.8 to 1.5 percent of contract value. Sites with EA discharge permits for chalk stream or SSSI watercourse crossings add 50 to 150 percent to ESC cost (turbidity monitoring, PAM dewatering, environmental clerks of works, EA compliance reporting). This premium is unavoidable and should be budgeted at tender.

    PAM polymer-enhanced clarification systems

    Passive PAM (logs or coated check dams) costs 500 to 2,000 GBP per crossing. Active PEC dosing systems (pump, reaction tank, settling unit) cost 2,000 to 8,000 GBP per month to rent and 1 to 5 GBP per m3 in PAM chemical cost. For a 14-month pipeline programme with 6 crossings, active PEC adds 40,000 to 80,000 GBP to ESC cost but is required by EA discharge consent conditions at chalk stream crossings.

    Real-time turbidity monitoring and telemetry

    Fixed turbidity loggers with 15-minute telemetry and automatic SMS/email alert systems cost 2,000 to 5,000 GBP per unit to rent plus 200 to 500 GBP per month for data transmission. For a chalk stream programme, 2 to 4 loggers are required per active crossing. Total monitoring cost 15,000 to 50,000 GBP for a year-long programme; the alternative is an EA enforcement penalty of up to 50,000 GBP per violation per day.

    Restoration and revegetation after construction

    Reinstating disturbed ground to equivalent pre-construction condition (topsoil replacement, seeding, establishment monitoring) costs 15,000 to 40,000 GBP per hectare of disturbed agricultural land. Ecological enhancement conditions (chalk stream bank revegetation, riparian buffer strips) required by EA can add 20,000 to 80,000 GBP per crossing on top of like-for-like restoration.

    Key Regulations & Standards

    Environmental Permitting Regulations 2016 -- Discharge Consent at Watercourse Crossings

    Discharging dewatering water or surface run-off to a watercourse during construction requires an Environmental Permit or compliance with an EA Regulatory Position Statement (CCP3 for dewatering). Permit conditions for chalk stream crossings typically specify: turbidity below 30 NTU, no PAM residuals above acrylamide monomer limit, immediate work stoppage if turbidity monitoring shows exceedance. Operating without a permit or in breach of permit conditions is an offence under Regulation 12 EPR 2016.

    Water Framework Directive (retained in UK) -- No Deterioration at Watercourse Crossings

    Construction activities near watercourses must demonstrate compliance with the no-deterioration principle of the Water Framework Directive (retained via SI 2017/407). Chalk streams are priority habitat under the Environment Act 2021. EA officers applying WFD at chalk stream sites have successfully required construction programmes to be redesigned (alternative alignments, HDD crossings) to avoid in-channel disturbance.

    Habitats Regulations 2017 -- Construction Near Designated Sites

    Construction activities within 500 m of a Special Area of Conservation or SSSI (including chalk streams designated under the Wildlife and Countryside Act 1981) require assessment of likely significant effects. Where significant effects cannot be ruled out, the competent authority must carry out an Appropriate Assessment before granting consent. Failure to secure HRA can result in the planning consent being judicially reviewed.

    Environment Act 2021 -- Biodiversity Net Gain and Chalk Stream Strategy

    The Environment Act 2021 mandates biodiversity net gain (BNG) of at least 10 percent for new developments in England from February 2024. Chalk streams are a specific priority habitat in the BNG biodiversity metric. Infrastructure construction affecting chalk stream riparian habitats requires a BNG assessment and potentially off-site habitat creation or purchase of statutory biodiversity credits to meet the 10 percent net gain requirement.

    Explore Related Categories

    Stormwater System

    Stormwater Management CompaniesHydrodynamic Separator Companies

    Related Industries

    Construction Water Treatment CompaniesMining Wastewater Treatment Companies

    Browse the full provider directory

    Comparing erosion & sediment control companies is one slice of a larger shortlisting decision. Explore the complete directory of water treatment suppliers, then filter by region, sector, and technology before you request scoped proposals.

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