Monitoring & Digital

    Industrial Water Quality Testing Companies

    Accredited labs and on-site testing services for process water, effluent, and regulatory compliance monitoring.

    147 providers

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    A-Consult Ltd logo

    A-Consult Ltd

    United Kingdom

    A-Consult specialise in providing solutions for the storage and handling of liquids in the agricultural, water industries and industrial sectors. Established in 1986 we have successfully constructed over 10,000 tanks throughout the United Kingdom and Europe. Aqua-Tank provides a safe, cost effective method of containment with numerous applications within the water, waste and industrial sectors. Guaranteed factory-controlled quality combined with a robust structure along with tried and tested design principles, offer life expectancy previously only achieved with cast in situ installations. A-Consult are the market leaders in the design, manufacture and installation of precast concrete storage tanks. SETTLEMENT TANKS Settlement tanks can be supplied with either an integrated concrete coping top which supports the travel of either a full or half bridge scraper. Tank sizes range from 4.0m diameter to greater than 50.0m, designed to allow backfilling, enabling access to M&E equipment such as scraper bridge, motor and travelling wheels. Incorporating the patented EPDM jointing seals, the post tensioned settlement tanks can be designed to accommodate pipe work entries through the precast wall panels. Design and constructed to BS8110 and BS8007 and compliant to all relevant Euro Codes. FILTER TANKS The A-Consult tank system has been used to construct many types of filter tanks. The tanks can be designed as water retaining structures if necessary, with letter box opens to facilitate the trickling filtration systems. PROCESS TANKS In such a volume related sector the A-Consult precast concrete tank system offers extensive flexibility in both tank diameters and wall heights. Diameters start at 4m and increase in increments of approximately 350mm, wall heights start at 2m and increase in increments of 100mm topping out at 12m. STORAGE TANKS A-Consult tanks have been used for the storage of many different materials on both wastewater treatment plants along with sewage treatment plants. All materials used in the construction of our tanks are DWI or WRAS approved allowing the storage of potable water. LEACHATE TANKS With a 50-year design life the A-Consult precast concrete tank system offers a cost effective and robust solution to many process and storage applications.

    Networks - Water Supply
    Asset Maintenance & Rehabilitation
    ABC Stainless Ltd logo

    ABC Stainless Ltd

    United Kingdom

    ABC Stainless Ltd (formed in 1981) are a specialist stainless steel company, offering a full range of services including design, manufacture, supply, installation and commissioning to main contractors and Water Authorities, in the Water Industry. We supply a diverse range of stainless steel products to both WTW and WwTW, including our unique ‘Weldless Collar Pipe System’. This system minimises site fabrication and attendance, supplying prefabricated pipe spools for installation. We welcome enquiries relating to both sheet, plate & tube in all grades of stainless steel including exotic and aluminum, manufacturing stainless steel pipework systems (metric, schedule, dairy etc.), biogas systems, hygienic tanks, pressure & vacuum vessels, platforms, launders, pen stocks, screens, skid process units, weirs etc. DWI Approval We have ISO 9001:2008 accreditation and Drinking Water Inspectorate (DWI 56.4.516) manufacturing approval for our ‘Weldless Collar Pipe System’, and ABC Storage, Process Tanks & Vessels, this is under regulation 31(4)(a) of the Water Supply (Water Quality) regulations 2000 No.3184 & the Water Supply (Water Quality) regulations 2001(Wales) No.3911. In all cases, products are manufactured specifically for each project after full discussion with our clients and our own design office. We offer a full design & draughting service using the latest 3D modelling software. Material certification, quality plans, procedures, employee certification and testing are available upon request, with third party Insurer witness testing where required. We offer a range of material finishes including bead blast, bright (mirror) polished, satine (brushed) polished and 2B.

    Renewables & Energy Management
    Accreditations
    Active Tunnelling Ltd logo

    Active Tunnelling Ltd

    United Kingdom

    As an industry leader since 1994, Active Tunnelling Ltd (ATL) is the UK’s most experienced independent, micro-tunnelling, auger boring, shaft sinking and pipe jacking company offering a comprehensive range of services to the water and civil engineering industries across the UK & Ireland. More than just a tunnelling company ATL delivers all encompassing projects solutions: whether it is a segmental shaft or complete project management from ‘tunnel’ to final landscaping, ATL delivers flexible, and tailor made solutions to suit any brief. ATL prides itself on its long list of clients that includes amongst others the UK’s leading construction companies and is proud to claim total satisfaction on every job. A dedicated and highly skilled/experienced sixty strong team are at the core of ATL’s success, this weight of experience backed by the UK’s largest independent specialist plant enables ATL to deliver on time every time. Services Our comprehensive range of services allows us to satisfy even the most demanding brief, even with short lead times you can place your trust in us leaving you to focus on other aspects of the project. Tunnelling and pipejacking: 1,000mm – 2,400mm diameter. Micro-tunnelling: 150mm – 900mm diameter. Auger boring: 150mm – 725mm diameter. Grouting. Shaft sinking. Cover slab construction. Timber headings. ATL offer Professional management team with over 30 years experience. Quick mobilisation to site. Technical support/design where required. Achilles UVDB Verify approved company. Quality Assured ISO 9001:2008 Registered Firm Cert. No. A11969. Fast response to enquiries. Fast and efficient service maintaining a high standard of safety. Specialist trenchless plant. A completed project to a high quality at a reasonable price. A willingness to work as one team with all parties to ensure satisfaction.

    Networks - Water Supply
    Contractors
    AE Yates Group logo

    AE Yates Group

    United Kingdom

    Established in 1870, AE Yates is a progressive civil engineering contractor with an enviable track record of successfully delivering technically demanding high quality works to the complete satisfaction of a wide variety of public and private customers. An Integrated Construction Company A E Yates has grown to be an integrated construction company with a turnover of £50m, employing over 170 managerial, professional, technical and operational staff. Our company headquarters, based in Bolton, are strategically located to serve and communicate with clients throughout the United Kingdom with immediate access to road, rail and air transport facilities. We also have an operating base in Sheffield. AE Yates Group The group companies add value for customers not just in their specialism. When working together they can offer an integrated service through resource sharing and joint management of activities. Operational interfaces are removed eliminating potential co-ordination, management and programming issues for customers. AE Yates Civil Engineering Ltd AE Yates Directional Drilling Combined Soil Stabilisation Side Grip Piling SPI Piling Tritech Ground Engineering AE Yates Haulage Equipment and Skills Investment in the development of highly skilled operational teams up to date equipment has reinforced and enhanced our capability in all areas of operations. We own and operate an extensive fleet of general civil engineering and specialist plant and equipment. Experienced and Dedicated We are a highly experienced and respected civil engineering contractor operating to an Integrated Management System which is fully accredited to IS 9001:2015, ISO14001:2015 and ISO45001:2018 by BSI. We are fully committed to meeting the required standards of quality, customer care, environmental awareness, safety, health, time and cost demanded by our clients. We are fully supportive of the UK industry’s drive towards Continuous Improvement, Best Value and Constructing Excellence.

    Renewables & Energy Management
    Contractors
    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
    AJ Engineering & Construction Services Ltd logo

    AJ Engineering & Construction Services Ltd

    United Kingdom

    AJ Engineering & Construction Services Ltd provide a wide spectrum of engineering services ranging from steel fabrication and CNC machining to cladding and civil engineering, with our highly experienced team we provide on-time, on-budget quality solutions. From our bases in Forres and Fort William, and a team accustomed to travel we can meet our client’s needs wherever required. Having worked on various water and wastewater treatment projects for the past 25 years we have developed a great working relationship with water companies across the UK. Our in-house capabilities allow us to offer a turnkey service to our clients from reactive maintenance and manufacturing to planned infrastructure and non-infrastructure projects. Many of the projects we undertake in the water sector are within water treatment and wastewater treatment plants where cleanliness is paramount, all our water sector site teams hold certification and Water Hygiene cards. Our range of services collated into one means that we can take on multiple discipline contracts and deliver them as one which provides our clients with a number of advantages. It removes the need to have multiple contractors on site at once. Benefits in cost savings passed down on procuring large amounts of steel for a side wide project. Little risk of dimensional discrepancies between contractors We work alongside framework delivery partners throughout the UK providing the services below; Steel portal frame buildings (design, fabrication, erection & cladding) Design, manufacture and installation of pipe bridges Design, manufacture and installation of site wide access metalwork (walkways, access stairs, ladders etc) Design, manufacture and installation of modular water buildings transportable by road. Design of various process tanks, pipework and pumps. Fabrication of tanks and pipework (stainless and carbon) Mechanical Installation Modular Treatment Buildings and Mechanical Fit-out SR2 rated steel enclosures (quicker than GRP Kiosks) We appreciate how important quality and cleanliness is in the water sector and we are proud that we have completely segregated facilities for stainless steel and carbon steel. In addition to this we are also approved under the regulations 31(4)(A) of the water supply regulations 2016 to supply stainless steel and pipework fabrications to the drinking water sector.

    Networks - Sewerage
    Asset Maintenance & Rehabilitation
    Alpha Plus Ltd logo

    Alpha Plus Ltd

    United Kingdom

    Founded in 1987 Alpha Plus Limited have been providing quality pipework, fabrication and installation of pipework, structures and mechanical plant for the utility, waste management, industrial / commercial and manufacturing sectors. Alpha Plus is committed to providing clients with innovative, cost effective, high quality solutions. We work closely with clients providing design, fabrication and installation to a high quality using approved standards and up to date technologies. We provide a wide range of services with a wealth of experience in the following areas: Pipework. Installation. Structural. Design and project management. Site Maintenance. Alpha Plus has successfully completed numerous contracts, varying in size from £10,000 to £3M+ , usually as lead mechanical installer of varying values in the following areas. Potable Water The installation of new and refurbishment of existing filters (RGF, DAF, GAC & RO), chemical dosing equipment and LP Block/Leopold flooring. Works include manufacture and installation of: Filter internals. Aeration and process pipework. Access steelwork. Launders. Weir plates. Installation of pumps, blowers and associated mechanical packages, trough plates, media and penstocks. Wastewater Installation of various designs of deep beds filters, submerged aeration filters, sequencing batch reactors, digesters, activated sludge plant, tertiary filters, centrifuges, screens, classifiers. Works include manufacture and installation of: Filter internals. Aeration and process pipework. Access steelwork. Launders. Weir plates. Installation of pumps, blowers and associated mechanical packages, trough plates, media and penstocks. Waste to Energy/Power Generation Installation of biogas CHP systems, waste incineration plants, electrostatic precipitator installations, gas scrubber installations, digester heating/circulation and internals. Works include manufacture and installation of: High pressure super heated/saturated and low pressure steam. Natural gas. Fuel oil. Compressed/instrument air. Chemical dosing pipework. Access and support structures. Pipe bridges. Large bore ducting up to 2000mm (mild steel and stainless). Ash transfer systems. GRP acid/alkaline pipework. Installation of pumps, driers, scrubber vessels, tanks and associated mechanical packages.

    Mapping & Modelling
    Accreditations
    Amazon Filters Ltd logo

    Amazon Filters Ltd

    United Kingdom

    Founded in 1985, UK-based Amazon Filters Ltd is one of Europe’s leading manufacturers and suppliers of bespoke filtration technology such as filter cartridges and housings. Our comprehensive range of products support critical liquid and gas applications in many industries. With over 40 years of continuous support to municipal water companies, we are ideally placed to solve water quality problems with our bespoke cartridge filtration technology. From small boundary boxes installations to large volume fully containerised system and rentable mobile skids, we can manufacture and supply it all. We offer solutions for: Turbidity Control Metals Removal (iron / manganese) Cryptosporidium removal Chlorine reduction Let us support your AMP 8 commitments: Securing Long Term Resilience Securing Cost Efficiency Securing Confidence and Assurance We operate a range of ISO-accredited Quality Management Systems to ensure excellence in customer service. We provide high quality, reliable products and services that exceed client expectations. We help you worry less about the filtration process so you can focus on what you do best.

    Accreditations
    Amiblu UK LTD logo

    Amiblu UK LTD

    United Kingdom

    If you knew there was a material out there with a proven track record worldwide for outperforming others, would you want to know more about it? Using cutting edge technology to meet the toughest challenges, Amiblu manufactures GRP pipelines and storage systems that last for generations and do not corrode. GRP is a resilient, composite material utilised in many aspects of construction and civil engineering to deliver long lasting infrastructure. The history of Amiblu’s GRP systems starts with the first production of centrifugal cast (CC) pipes in Basel in 1957 and continuous filament wound (FW) pipes in 1969 in Norway using top quality raw materials combined with glass fibres to create robust pipes and storage solutions. Over the past 60+ years, research and development, growth and investment now puts Amiblu at the forefront of GRP pipe production, with seven state of the art manufacturing facilities and a global network of licensed partners producing the two market leading names in GRP pipes – Flowtite (FW) and Hobas (CC). Amiblu takes environmental responsibility very seriously by developing systems that offer a number of benefits to asset owners who are faced with aging networks, growing cities, climate change and increases in demand. Challenging traditional materials, our products are corrosion and abrasion resistant, with excellent hydraulics, can be bespoke made to meet project requirements, are low-maintenance and engineered for 150 years’ service life. Products are manufactured for: Sewage & stormwater Hydropower Circular & non-circular pipeline rehabilitation Potable & raw water delivery Industrial processes Micro-tunnelling applications. The greenest product is the one you don’t have to replace.

    Networks - Water Supply
    Asset Maintenance & Rehabilitation
    Aquability OPS Ltd logo

    Aquability OPS Ltd

    United Kingdom

    Aquability OPS Ltd was established in 2015 and is a leading technical consultancy providing optimised process solutions in the wastewater treatment industry. We are trusted partners of water companies, contractors and consultants and a member of British Water - the trade body representing the supply chain to government and the water companies. Director, Nicola Henderson is a chartered Chemical Engineer with over 27 years experience in the water industry and is one of the UK’s leading SBR experts. She is well known in the industry and previous tenures include Director of British Water and Chairman of British Water’s Technical Forum and Municipal Group. After graduating from Bath University in 1990 with a degree in Chemical & Bio Process Engineering, Nicola started her career in wastewater treatment at British Steel, responsible for the operation of their water and wastewater treatment systems. She then spent 24 years working in the design and build arena where she gained widespread experience in the water industry across a number of fields. Aquability OPS draw on Nicola’s extensive experience to offer technical expertise and bid support in both municipal and industrial wastewater treatment. We combine a mix of technical knowledge and practical application, providing comprehensive, tailored services across four areas to provide: Process expertise to solve our clients’ wastewater treatment challenges. Leading SBR expertise to ensure your SBR plant is a success. Commissioning and operational support for effective commissioning and trouble free operation. Bid support to develop innovative cost effective solutions, focused and persuasive bid writing and creative, engaging presentations. Our services help our customers to win work, build knowledge, reduce delivery and operating costs and avoid compliance issues. Our goal is to deliver successful outcomes for our Clients and develop trusting and long lasting relationships.

    Designers
    Carlow Concrete logo

    Carlow Concrete

    United Kingdom

    Carlow Concrete is a market leader in water retaining precast concrete structures in both the United Kingdom and Ireland. Production at our state of the art plant in the South East of Ireland is carried out using the most modern and innovative methods and equipment, for the quality production of our products ensuring the highest standards of quality and specification compliance are achieved every time. As part of the Burren Precast Concrete Group, the company has the resources and infrastructure to meet the high demands of our customers in relation to quality of service and product. Our organisation benefits from a team with combined expertise of over 100 years in the precast industry. The company has the technical expertise, the flexibility in production methods and the resources to Interpret, Design, Manufacture and Assemble to the highest standards to meet the requirements of its customers, bringing modern methods of construction through the benefits of off-site construction, building information modelling (BIM) and highly experienced installation teams. Our expansive range of products are devised specifically for both water and wastewater projects and are unrivaled in terms of design, quality and ease of installation. Our solutions offer international, national and customer specification compliances and meet all water companies’ asset standards throughout the UK & Ireland. Site installations typically achieve 25% to 50% reduction in programme with fewer people and plant requirements, meaning substantial savings to both preliminary and direct costs. Stormwater attenuation. Flood alleviation. Service reservoirs. Precast filter bed wall and tile system. Activated sludge plant. Final/primary settlement tanks. Retaining walls.

    Storage Tanks
    Contractors
    Coleman James logo

    Coleman James

    United Kingdom

    At Coleman James, our purpose is to connect top talent with ambitious businesses in the built environment and rail sectors, helping companies and candidates grow and prosper. Dynamic, driven, capable, knowledgeable and culturally aligned; we employ a razor-sharp focus to searching for and selecting the very best people. We do this through our niche, dedicated team of award-winning recruitment consultants, who have over 200 collective years of experience and knowledge of your industry. We’re known for our long-standing relationships, enviable contacts book, broad network and our bespoke methodology, making us the specialist recruitment agency of choice for building services, civil engineering, construction, facilities management and rail. Ours is a consultative, tailored approach. Our clients don’t simply transact with us; instead, we build long-term, collaborative partnerships. We pay attention to the details, from pre-screening to psychometric testing, we match the right people to the right roles. We add value at every turn; we’re problem solvers who operate with absolute integrity, delivering customer excellence at every step and tangible results you can rely on.

    Recruitment
    Concrete Repairs Ltd logo

    Concrete Repairs Ltd

    United Kingdom

    Concrete Repairs Limited (CRL) is a specialist asset maintenance contractor who is here to help you with the inspection, repair & refurbishment of your concrete water assets. CRL provide comprehensive repair and refurbishment services tailored to the needs of the water and wastewater sector throughout the UK. These include the inspection, repair, refurbishment and upgrading of service reservoirs, contact tanks, water towers & wastewater treatment plants. With over 65 years of experience, CRL understands the importance of maintaining water quality and supply to customers. Therefore, when planning repairs, we prioritise effective programming of the work and optimal utilization of the assets being repaired. Our choice of repair methodologies and materials always reflects this commitment. At CRL, we pride ourselves on being a reliable partner to the water companies. We collaborate closely with them to identify problems early, quantify the necessary repairs, and establish a timeline for refurbishment. Throughout this process, we focus on ensuring the longevity and optimal performance of the assets. CRL provide proven and successful cost-effective repair and refurbishment options which meet our clients’ objectives of upgrading and increasing the life of their structures. CRL is capable of undertaking individual projects of up to £20M, either under competitive tender, or through Partnering/Framework arrangements. Our broad experience across various sectors ensures we deliver efficient, robust, and technically advanced services.

    Asset Maintenance & Rehabilitation
    Sewer Inspections
    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
    Cotswold Valves logo

    Cotswold Valves

    United Kingdom

    Cotswold Valves forms part of the Flow Control Group. Covering a wide range of sectors including oil, gas, industrial, water, wastewater, sewage, chemical and power generation, the business provides consultancy services including product design, specification, selection, valve sizing, actuation, flow and pressure management, installation and the supply and retrofit of a full range of spares and replacement products. The Group’s Site Services division specialises in “On-Site” product support. We can undertake both new installations and carry out retrofit of valves and actuators to existing works. Where necessary we can act in a support capacity on client led installations The Flow Control Group incorporates fabrication and machining capabilities and can, in addition to the production of valves and penstocks, design and manufacture mounting kits, pedestals, drive bushes, spindles and other ancillary equipment. Our manufacturing facilities supply bespoke products in accordance with ISO 9001:2015 quality management systems. The business also operates to ISO 14001:2015 and ISO 45000:2018 standards operating to the highest Health & Safety and Environmental standards. Utilising our in-house actuation facility, we can assist with actuator selection, and can fit, set and test actuators prior to delivery. We can also fit actuators on site where necessary.

    Treatment Works Products/Services
    Designers
    Craven Concrete Ltd logo

    Craven Concrete Ltd

    United Kingdom

    Craven Concrete has over 25 years’ experience manufacturing precast concrete products and structures to both industrial and agricultural markets. We offer an extensive range of quality precast products for buildings, bridges, retaining walls, tanks and chambers, drainage and water management, materials storage, flooring, traffic management, site security and architectural & structural products. Craven Concrete can also manufacture bespoke products to create maximum value for your project, accommodating your site conditions, design requirements and construction needs. Through our extensive work in the general civils, rail, utilities, highways, water and flood defence sectors we have successfully built a reputation for high quality and exceptional service. Our customers’ satisfaction is at the heart of everything we do! We manufacture all of our products from our facility in North Yorkshire, but we deliver nationwide. Accreditations: RISQS Network Rail accredited supplier Quality Management System – ISO 9001:2015 Environmental Management System – ISO 14001:2015 BS EN 206 and BS 8500 Kitemark Builder’s Profile Premium Membership UKCA Certificate of Conformity of the Factory Production Control

    River Work
    Contractors
    Drive Systems Limited logo

    Drive Systems Limited

    United Kingdom

    With over 35 years experience and knowledge of manufacturing variable speed electrical control systems, Drive Systems Ltd provide fixed and variable speed drives, control panels and will commission and install both the mechanical equipment and electrical supplies, as required. Drive Systems Limited is a wholly owned independent company founded in 1986 by its present directors to promote the use of packaged inverter drive systems into a wide range of industrial applications so that they could benefit from the flexibility of control and the large potential energy savings that this, then, emerging new technology could provide. Many areas of industry, from pet food manufacturers to woodworking machine makers and from the nuclear industry to the water companies became valued customers and benefited from bespoke packaged drive systems tailored to their specific application. The water companies soon became the source of the majority of the companies workload, with inverter based drive systems being developed for wet well submersible pump systems, rectangular bacteria bed distributors (both rope hauled and independently driven) and for circular filter bed distributor drives. This latter drive system, enjoying patent protection of its principles of operation, has been a huge success and over 2000 systems have been supplied into all of the UK`s Water Companies, as well as to numerous overseas locations. Drive Systems has recognised the need, not only to provide products and packaged control systems, but also to provide an installation and commissioning service which ensures optimised performance from the existing plant. Drive Systems site programme includes installation of both mechanical and electrical equipment on prepared foundations. The service is not complete without the inter connection of all items of equipment, including cables, cable trays and ducts, as required. Lighting, heating, ventilation are a natural extension of this work. Drive Systems can provide Fixed and variable speed drives for pumps and fans Control panels and cabinets designed for specific applications Percolating circular filter bed drives and control Percolating rectangular filter bed drives and control Complete installation both mechanical: cabling and electrical supplies Commissioning and test Servicing and repairs

    Treatment Works Products/Services
    Evergreen Water Solutions logo

    Evergreen Water Solutions

    United Kingdom

    A leading supplier of progressive wastewater treatment systems Evergreen Water Solutions works closely with a number of international engineering companies whose expertise are in scalable wastewater treatment systems and containerised wastewater treatment systems for municipal and industrial application. Evergreen Water Solutions offers a comprehensive engineering service. Our company incorporates initial design and planning, to implementation of projects that are delivered on time and on budget. Our expertise in wastewater treatment covers infrastructure development, package sewage treatment systems and advanced treatment technology for wastewater recycling with the strictest treatment requirements. The goal of Evergreen Water Solutions is to exceed the expectations of our clients, foster long-term relationships, and make a positive impact on the environment and industry standards. Evergreen Water Solutions use innovative products and suppliers to source, design and implement leading environmental water and wastewater treatment products and solutions. All new equipment and suppliers are required to undergo pre-qualification program and a series of acceptances and trials are applied prior to the approval of the vendor. Evergreen Water Solutions’ pre-qualification program guarantees you our clients that the products we source are of the highest standard within the industry, these products along with the expertise within Evergreen Water Solutions ensures that the solution we provide will meet and exceed any expectation you might have.

    Treatment Works Products/Services
    Contractors

    Industrial Water Quality Testing: Parameter Selection, Sampling Protocols, and Accreditation Requirements

    Industrial water quality testing covers source water, process water, cooling water, boiler feedwater, and effluent streams. Parameter selection follows the intended use: boiler feedwater requires hardness below 0.05 mg per L CaCO3, silica below 0.02 mg per L, iron below 0.01 mg per L, and dissolved oxygen below 0.007 mg per L per ASME consensus on operating practices for boiler feedwater; cooling water monitoring tracks conductivity (TDS proxy), pH, Langelier Saturation Index, Legionella (monthly culture per HSG274), and oxidising biocide residual. Effluent monitoring for regulatory compliance requires parameters specified in discharge consent: typically pH, BOD, SS, COD, ammonia, specific pollutants.

    Sampling protocols follow ISO 5667 series: representative sampling from well-mixed flow locations, avoidance of air entrainment, appropriate sample containers (borosilicate glass or HDPE depending on analyte), preservation (acidification to pH below 2 for metals, cooling to 4 degrees C for biological parameters, immediate fixation for dissolved oxygen), and maximum holding times before analysis (metals 6 months acidified, COD 7 days cooled, microbial parameters 6 to 24 hours). Composite sampling (24-hour flow-proportional composite) provides representative daily loads for effluent reporting; grab samples capture worst-case instantaneous concentrations for regulatory compliance checks.

    Laboratory accreditation to ISO 17025 is required for regulatory compliance sampling (Environment Agency consent conditions in UK specify UKAS-accredited analysis; US EPA specifies certified laboratory analysis for NPDES permit compliance). On-site testing using portable analysers (multi-parameter meters for pH, conductivity, turbidity, DO; photometric test kits for ammonia, nitrate, phosphate) provides real-time process control at lower cost than laboratory analysis. Online continuous monitoring instruments (ion-selective electrodes, optical turbidimeters, TOC analysers) provide trend data and alarm triggering for process exceedances. Combined accredited laboratory plus online monitoring gives both regulatory defensibility and process optimisation capability.

    Frequently Asked Questions

    What water quality tests are required for industrial discharge permits?

    NPDES and Environment Agency discharge consents specify the parameters, frequency, and method for compliance monitoring. Common required parameters: pH (continuous or daily), BOD5 (weekly), suspended solids (weekly), COD (weekly or monthly), ammonia (weekly), and sector-specific parameters (metals, hydrocarbons, cyanide, chlorine for relevant industries). US EPA 40 CFR Part 136 specifies approved analytical methods for NPDES compliance; UK Environment Agency Technical Guidance specifies appropriate British Standards (BS EN ISO series) methods. Analysis must be performed by a certified/accredited laboratory (UKAS in UK, state-certified in US). Self-monitoring results must be reported on Discharge Monitoring Reports (DMRs in US) or equivalent regulatory submissions within specified timescales (typically monthly).

    How often should cooling water be tested for Legionella?

    UK HSE ACOP L8 and HSG274 Part 1 require cooling tower water to be tested for Legionella by culture at minimum monthly intervals. Action limit is 1,000 CFU per L of Legionella (any species) requiring immediate corrective action and notification to the Responsible Person. Investigation level at 100 to 999 CFU per L triggers review of control measures. Target is below 100 CFU per L (ideally below the detection limit of 10 CFU per L). Quantitative PCR (qPCR) methods provide results in 24 to 48 hours versus 10 to 14 days for culture, enabling faster response to exceedances. HACCP-based risk assessments determine if additional testing (e.g., weekly during high-risk periods, after system disruption, after maintenance) is required beyond the statutory monthly minimum.

    What is the difference between grab sampling and composite sampling?

    A grab sample is a single sample collected at a specific moment, representing instantaneous water quality conditions. Used for parameters that change rapidly (pH, dissolved oxygen, volatile compounds) or where instantaneous worst-case is the regulatory requirement. A composite sample is collected over time (typically 24 hours) either at fixed time intervals (time-composite) or in proportion to flow rate (flow-proportional composite). Flow-proportional compositing requires an autosampler triggered by a flow meter signal, collecting a volume of sample proportional to the instantaneous flow rate. This produces a sample representative of the average quality over the sampling period, appropriate for load calculations and daily average compliance monitoring. Most NPDES and EA discharge permits specify the sampling method; effluent consents often require both grab (for pH) and composite (for BOD, SS) within the same monitoring programme.

    How do I choose between on-site testing and laboratory analysis?

    On-site testing using portable or online instruments: fast results (minutes), suitable for process control and trend monitoring, lower cost per test but requires calibration, QC, and trained operators. Accuracy: pH meters plus or minus 0.02 pH units, turbidimeters plus or minus 2 percent, DO sensors plus or minus 0.1 mg per L. Not acceptable for regulatory compliance (not UKAS/ISO 17025 accredited). Laboratory analysis by UKAS-accredited laboratory: traceable methods, method blanks, certified reference standards, proficiency testing scheme participation (EMQN, WEQAS for environmental). Required for: discharge consent compliance, environmental permit reporting, legal proceedings, and due diligence. Typical turnaround: 5 to 10 working days standard, 24 to 48 hours emergency. Best practice: continuous online monitoring for process control, monthly UKAS laboratory analysis for regulatory compliance.

    Case Study·Chemical manufacturing
    Challenge

    A specialty chemical site in the South East of England had no consolidated water quality monitoring programme. Cooling water, boiler feedwater, and trade effluent were all managed by different operational teams using different contractors and non-standardised sampling protocols. Three Environmental Permit non-compliances occurred in one year due to incorrect sampling method and laboratory reporting errors.

    Approach

    Appointed a single UKAS-accredited laboratory to cover all monitoring obligations under a unified contract. Developed a sampling and analysis plan aligned with ISO 5667 and the site's Environmental Permit conditions. Installed online TOC and pH monitors on the effluent channel for early-warning alerting before discharge. Trained site operators in sampling protocols with documented procedures and chain-of-custody forms.

    Outcome

    Zero Environmental Permit exceedances in the 24 months following the programme. Online monitoring detected two process upsets that would have caused consent breaches, enabling diversion to a holding tank before discharge. Annual monitoring cost reduced by 18 percent through consolidation, and Environment Agency satisfaction score improved at the next compliance inspection, avoiding enhanced scrutiny.

    Questions to Ask Shortlisted Providers

    1. 1

      Is your laboratory UKAS-accredited to ISO 17025 for the specific parameters included in our discharge consent, and can you provide a copy of your current UKAS scope?

      Environment Agency consent conditions in England and Wales require that compliance monitoring is conducted by a laboratory with UKAS accreditation for the relevant parameters and methods. A non-accredited result is not legally defensible and will not be accepted by the EA as evidence of compliance. UKAS scopes are specific to parameters and matrices; verify that the scope covers your actual consent parameters.

    2. 2

      What is your turnaround time for routine and emergency analysis, and what is your hold-time and preservation protocol for each parameter?

      Many parameters have strict maximum hold times between collection and analysis (microbial parameters 6 to 24 hours, volatile organics 7 days, BOD 6 hours unfixed). Inadequate preservation or delayed analysis can produce results that under-report contamination (biological degradation) or over-report it (chemical oxidation). Ask to see the laboratory's sample receipt and hold-time management procedures.

    3. 3

      What quality control data do you include in the analytical report, and what is your policy for reporting and flagging out-of-range results?

      ISO 17025 requires laboratories to report method blanks, certified reference standards, duplicate analyses, and recoveries alongside sample results. A report that simply lists numbers without QC data gives no confidence in result accuracy. If a QC check fails (e.g. spike recovery outside 80 to 120 percent), the sample results are potentially invalid and the laboratory should notify you and offer re-analysis.

    4. 4

      For online monitoring instruments, what is the calibration frequency and the method for validating online results against laboratory analysis?

      Online instruments (pH, turbidity, TOC, COD correlations) drift over time and require regular calibration against certified standards. A calibration log and a defined schedule for cross-validation against laboratory analysis (typically monthly) are required to use online data as evidence in operational decisions or in EA reporting. Instruments that have not been validated against laboratory methods have unknown bias and should not be relied upon for compliance decisions.

    5. 5

      Can you provide proficiency testing scheme participation records for the parameters in our monitoring programme?

      UKAS-accredited laboratories must participate in proficiency testing (PT) schemes such as EMQN or Environment Agency CONTEST rounds, where blind samples of known concentration are analysed and results compared against peer laboratories. PT Z-scores within plus or minus 2 indicate satisfactory performance. Request PT records for the last 12 months for your specific parameters; a laboratory with repeated Z-scores outside plus or minus 2 has a systematic analytical problem.

    What Drives Cost in This Category

    Monitoring programme scope and frequency

    A basic trade effluent consent monitoring programme (weekly pH, BOD, SS, COD for one discharge point) costs 5,000 to 15,000 GBP per year in laboratory analysis. Adding Legionella monthly culture for 3 cooling towers adds 8,000 to 15,000 GBP per year. Full Environmental Permit monitoring with quarterly metals, annual priority substances, and continuous online COD and pH monitoring (instrument maintenance and calibration) typically costs 25,000 to 80,000 GBP per year for a mid-sized industrial site.

    UKAS-accredited versus non-accredited analysis

    UKAS-accredited analysis typically costs 15 to 30 percent more than equivalent non-accredited analysis. However, non-accredited results are not accepted for regulatory compliance reporting in the UK, and a permit non-compliance attributed to inadequate analysis methods can result in prosecution costs, remediation requirements, and permit review of indefinite duration, vastly exceeding the cost differential.

    Online monitoring capital and maintenance

    Installing online COD, TOC, and pH monitors on an effluent channel costs 15,000 to 50,000 GBP per instrument point (instrument, housing, flow cell, SCADA integration). Annual maintenance and calibration costs 3,000 to 8,000 GBP per instrument. The business case for online monitoring is typically a combination of early-warning value (avoiding a single permit breach worth 20,000 to 100,000 GBP in surcharges and enforcement costs) and operational optimisation (reducing chemical dosing cost).

    Non-compliance costs and enforcement action

    An Environment Agency enforcement notice following permit non-compliance requires submission of a remediation plan, independent audit, and enhanced monitoring at increased frequency for 6 to 12 months. Total cost (legal, audit, additional monitoring, EA officer time at hourly rate) typically runs 30,000 to 120,000 GBP for a first-time non-compliance. A prosecution for repeated non-compliance can result in fines of 100,000 to 1,000,000 GBP plus remediation orders.

    Key Regulations & Standards

    ISO 17025:2017 -- Laboratory Competence and UKAS Accreditation

    ISO/IEC 17025:2017 is the international standard for the competence of testing and calibration laboratories. UKAS (United Kingdom Accreditation Service) accredits UK laboratories to ISO 17025. Environment Agency permit conditions for monitoring of trade effluent and environmental permit compliance require analysis by a UKAS-accredited laboratory using approved methods (typically BS EN ISO series methods). UKAS accreditation scope specifies the exact parameters, matrices, and methods covered; laboratories must be accredited for the specific combination relevant to each consent.

    ISO 5667 Series -- Water Sampling Protocols

    ISO 5667 is the definitive international series for water sampling. Key parts: ISO 5667-1 (general sampling programme guidance), ISO 5667-3 (preservation and handling), ISO 5667-10 (industrial and process water sampling), and ISO 5667-14 (quality assurance for environmental water sampling). UK Environment Agency technical guidance references ISO 5667 for sampling protocol requirements. Non-compliance with ISO 5667 hold times or preservation requirements renders sample results inadmissible for permit compliance purposes.

    Water Industry Act 1991 -- Trade Effluent Monitoring and Reporting

    Trade effluent consent conditions issued under WIA 1991 Section 118 specify monitoring parameters, frequency, analytical methods, and reporting requirements. Self-monitoring data must be submitted to the sewerage undertaker at specified intervals (typically monthly). Falsification of monitoring data is an offence under the Fraud Act 2006 in addition to the WIA 1991 offence. Water companies have the right of inspection and may require a metered flow totaliser to verify reported discharge volumes.

    Environment Agency Technical Guidance -- Compliance Classification Scheme

    The Environment Agency's Compliance Classification Scheme (CCS) grades Industrial sites' compliance performance by frequency and severity of non-compliances. Sites graded Red (significant non-compliance) face enhanced regulatory scrutiny, more frequent inspections, and potential permit review or revocation. Yellow (low-level non-compliance) sites may face improvement plans. Green sites maintain standard regulatory oversight. A strong monitoring and reporting programme is the primary mechanism for maintaining Green status and demonstrating due diligence.