Treatment Technologies
Industrial Water Treatment Companies
End-to-end industrial water treatment companies covering process water, cooling, boiler feed, and wastewater across heavy-industry sites.
This page is a good fit if you need:
- Filtration or Flat Sheet UF Membranes capabilities
- Suppliers with food-beverage sector experience
- Providers operating in United Kingdom or Netherlands
- Providers
- 24
- Verified
- 4
- Countries
- 9
Can't find the right fit? Post a brief and let qualified suppliers come to you.
Post a projectHow to choose a industrial water treatment provider
Start with providers that clearly operate in your target geography and project footprint.
Look for industry exposure that matches your water challenge, compliance constraints, and deployment context.
Use technologies, service scope, and proof signals to narrow the list before reaching out to suppliers.
Not sure where to start? Our experts can help.
Filter results
Verified providers
4 claimed companies in this category
Country
Industry
Technology
Find a Industrial Water Treatment Provider
Showing 1-20 of 24
24 results from 24 matched providers
Matching Industrial Water Treatment Scope to Process and Regulatory Requirements
Industrial water treatment spans four distinct functions: process water production (ultrapure water for electronics, deionized water for manufacturing, softened water for steam generation), process water recycling and reuse, effluent treatment for discharge compliance, and zero liquid discharge for water-scarce or environmentally constrained sites. Each function has different technology requirements, capital intensity, and regulatory framework. Large industrial facilities often operate all four simultaneously as part of an integrated water management strategy.
The water intensity of industrial processes varies enormously by sector. Semiconductor fabs require ultrapure water with resistivity above 18 MΩ·cm and particle counts below 10/mL, demanding multi-stage RO, electrodeionization (EDI), and UV TOC reduction. Power plant cooling systems treat millions of liters per day with cycles-of-concentration programs. Mining operations manage high-TDS, high-metals-content process water under complex permit conditions. A treatment provider's relevance is directly tied to their experience in your specific industrial vertical, not just their general water treatment capability.
Industrial water treatment procurement increasingly involves digital monitoring and process integration requirements. SCADA integration, real-time effluent quality dashboards, and automated dosing control are now standard expectations for large process facilities. When evaluating providers, ask about their control system architecture, historian compatibility, and how their monitoring data integrates with your plant DCS. Providers who can deliver both the chemistry and the control infrastructure reduce the number of vendor interfaces your operations team must manage.
Frequently Asked Questions
How do I determine if I need a full water audit before specifying an industrial treatment system?
A water audit is essential when your facility lacks current data on all water inputs, consumption points, losses, and discharge volumes. Without it, treatment system design is based on assumptions that often prove inaccurate and result in undersized or oversized equipment. A water audit maps mass and quality balances across all process streams, identifies the highest-value reuse opportunities, and provides the feedwater characterization data that technology providers need to produce accurate proposals rather than ballpark estimates.
What is electrodeionization (EDI) and when does it replace mixed bed polishing in industrial plants?
Electrodeionization uses ion exchange resin continuously regenerated by a low-voltage direct current to produce high-purity water (typically 10–18 MΩ·cm) without the chemical regeneration required by traditional mixed bed demineralizers. EDI is specified in electronics, pharmaceutical, and power applications where continuous production without acid/caustic regeneration interruptions is required, and where chemical handling and waste neutralization costs for mixed bed regeneration are significant. EDI requires RO pre-treatment producing feed water with TDS below 50 mg/L to operate reliably.
What questions should I ask when evaluating industrial water treatment EPC contractors?
Ask for the specific process design basis document they will use to size each treatment unit—not just the system P&ID. Confirm they will perform guaranteed performance testing at commissioning against defined effluent quality parameters with documented acceptance criteria. Ask who is responsible for operator training and how long the training period lasts. Clarify the warranty boundary between process performance (their responsibility) and feedwater quality variation (potentially yours), and negotiate a feedwater excursion protocol that defines acceptable variation.
How do industrial water treatment costs compare between CAPEX-purchase and service-based models?
Under a CAPEX-purchase model, the facility owns the equipment and bears all operating risk - chemical costs, maintenance, membrane replacement, and compliance risk. Under a water-as-a-service or BOT (Build-Operate-Transfer) model, the provider owns the equipment and delivers treated water at a fixed price per cubic metre over a contract term (typically 7 to 15 years). Water-as-a-service transfers technology risk and operating complexity to the provider but typically carries a 20 to 40% premium over the long-run CAPEX operating cost for facilities with strong internal operations capability.
A specialty chemicals manufacturer was discharging process wastewater with COD consistently above 800 mg/L against an EA permit limit of 125 mg/L, resulting in permit breach notices and escalating non-compliance fees. The existing treatment plant was undersized for the current production volumes and lacked pH control.
A full process review identified three batch discharge streams with highly variable COD loads that were overwhelming the biological treatment stage. An equalization tank with automated pH dosing was installed upstream of the biological unit, and a physicochemical pre-treatment stage using coagulation and dissolved air flotation was added to remove non-biodegradable COD fractions before the biological step.
COD in treated effluent fell consistently below 80 mg/L, providing compliance headroom against the 125 mg/L permit limit. Permit notices were withdrawn following 6 months of compliant monitoring data. The equalization tank also reduced peak loading to the biological unit, extending the membrane life in the downstream MBR by an estimated 2 years.
Questions to Ask Shortlisted Providers
- 1
Can you provide a full water balance for our facility before proposing a treatment train, and will that balance be included in the project deliverables?
Without a validated water balance, treatment system sizing is based on assumptions that frequently result in under- or over-specification.
- 2
What is the design basis for effluent quality, and does it account for worst-case batch discharge scenarios rather than just average flows?
Industrial effluent is rarely at average composition during peak production; designing only to average conditions almost guarantees permit breaches during high-load events.
- 3
What performance bond or contractual guarantee do you offer against the EA permit limits we must meet at the point of discharge?
Without a performance guarantee tied to specific consent parameters, the operator bears the regulatory risk even if the design is flawed.
- 4
How does your system handle production shutdowns and restarts, which often cause shock loads to biological treatment?
Biological treatment systems are sensitive to feed interruption and resumption; providers must demonstrate how their system manages these transitions without permit breaches.
- 5
What spare parts inventory do you maintain, and what is your guaranteed response time for a critical equipment failure?
An industrial treatment plant failing during production means effluent may need to be held or production curtailed; response time commitment directly affects operational risk.
What Drives Cost in This Category
Highly variable flows require equalization infrastructure to protect downstream processes; the equalization tank volume and associated civils can represent 20 to 30% of total project cost.
Tight permit limits for multiple parameters (COD, ammonia, suspended solids, specific metals) require more treatment stages and more intensive monitoring, multiplying both capital and operating cost.
Aerobic biological treatment using diffused aeration can consume 0.5 to 2 kWh/kg COD removed; for high-strength industrial effluents, energy is often the dominant operating cost driver.
Physicochemical and biological processes generate sludge that must be dewatered and disposed of; sludge disposal costs (GBP 30 to GBP 150 per tonne depending on composition) can match or exceed chemical treatment costs for high-solids streams.
Key Regulations & Standards
Requires all industrial dischargers to surface water or groundwater to hold an Environmental Permit specifying consent conditions for flow, BOD, COD, suspended solids, and specific pollutants.
Industrial dischargers to public sewer must obtain a trade effluent consent from the local water company, specifying volume, composition, and timing of discharge.
Standard for determination of orthophosphate and total phosphorus in water, relevant to permit compliance monitoring for phosphorus-sensitive receiving waters.
Sets out the methodology for assessing environmental impact of industrial discharges, used to determine permit conditions and required treatment standards.
Explore Related Categories
Core Treatment Technologies
Common Challenges
Related Articles from Aguato Insider
- What's the Most Efficient Solution to a Water Challenge?
- Water as an Operational Risk: Why Industrial Efficiency Now Depends on Smarter Fluid Management
- Industrial Water Chiller: Types, Applications and Water Treatment
- Cooling Tower Water Treatment: Scale, Legionella, and Keeping Systems Efficient
- Industrial Boiler Water Treatment: Scale, Corrosion, and the Chemistry That Keeps Systems Running
- Industrial Wastewater Treatment: A Practical Engineering Guide
- Industrial Water Softeners: Specification, Sizing, and Operation
- Water Treatment Chemicals: A Practical Guide to Selection, Dosing, and Control
- Reverse Osmosis Systems: Industrial Design, Sizing, and Operation
- Zero Liquid Discharge: When ZLD Makes Sense and When It Doesn't
- Industrial Water Filtration: Media, Membrane, and Activated Carbon Systems
- Industrial Water Treatment Monitoring: Methods, Tests, Cost
- Industrial Water Purification: Deionisation, EDI, and High-Purity Water Systems
- Industrial Water Disinfection: Chlorination, UV, and Ozone Compared
- How to Choose the Right Industrial Water Treatment Solution
- What Is Nepti? Aguato's AI for Water Treatment Decisions
- What Is a Water Marketplace? Types, How They Work, and Where to Find One
- Industrial Wastewater Treatment Process: A Step-by-Step Engineering Walkthrough
- Mining Wastewater Treatment: Technologies, Compliance, and the Closure Liability Few Operators Cost Properly
- Oily Wastewater Treatment: Free, Dispersed, and Emulsified Oil, and What Actually Removes Each
- Water Treatment Plant Design: Engineering Workflow from FEED to Commissioning
- Industrial Water Pollution: Contaminant Classes, Compliance Costs, and the Business Case for Treatment
- Cooling Tower Blowdown: How to Manage It Without Wasting Water or Scaling the Tubes
- Water Quality Monitoring: Online vs Lab (And When Each Wins)
- Ultrapure Water Production: Industrial Methods and Standards
- Decentralized Water Treatment: When Is It the Right Solution?














