Water treatment has become an essential industry, safeguarding health and ecosystems by ensuring the supply of clean, safe water. In New Jersey, this sector encompasses a diverse range of companies delivering bespoke solutions across residential, commercial, and industrial spheres. Services include the treatment of wastewater, the manufacturing of filtration and separation systems, and the development of water purification technology. As environmental issues gain focus and water scarcity becomes a global concern, the water treatment industry is expected to grow, with many New Jersey companies leading the innovation curve.


Top 19 water treatment companies in New Jersey

1. American Water

  • Website: amwater.com
  • Headquarters: Camden, New Jersey, United States
  • Founded: 1886
  • Headcount: 5001-10000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

American Water is the largest and most geographically diverse, publicly traded U.S. water and wastewater company. They provide clean, safe, reliable, and affordable water and wastewater services. They have a strong partnership with the Department of Defense through the UP Program.


2. Komline

  • Website: komline.com
  • Headquarters: Peapack, New Jersey, United States
  • Founded: 1946
  • Headcount: 201-500
  • LinkedIn

Komline-Sanderson Corporation is a leading manufacturer of liquid-solid separation systems that provides equipment for applications including filtration, drying, thermal processing, wastewater treatment, sludge processing, and pollution control.


3. ResinTech Inc.

  • Website: resintech.com
  • Headquarters: Camden, New Jersey, United States
  • Founded: 1986
  • Headcount: 51-200
  • LinkedIn

ResinTech.com is a company specializing in water purification and treatment solutions. They offer a wide range of products and services for residential, commercial, and industrial applications. With expertise in ion exchange resins and activated carbon, ResinTech provides custom-engineered solutions to achieve optimal water quality and efficiency.


4. Atlantic County Utilities Authority

  • Website: acua.com
  • Headquarters: Egg Harbor Township, New Jersey, United States
  • Founded: 1968
  • Headcount: 51-200
  • LinkedIn

ACUA is an environmental company that specializes in wastewater treatment and solid waste disposal. They provide services to the Atlantic and Cumberland County areas in New Jersey. ACUA is committed to promoting sustainability and offers educational resources, volunteer opportunities, and community events.


5. Ground/Water Treatment & Technology, LLC

  • Website: gwttllc.com
  • Headquarters: Wharton, New Jersey, United States
  • Founded: 1996
  • Headcount: 51-200
  • LinkedIn

Ground/Water Treatment & Technology, LLC is a vertically integrated remediation contracting company that provides comprehensive groundwater remediation contracting solutions. They offer expertise in coal ash pond water remediation and dewatering, PFAS remediation, and operations & maintenance services. With a talented team of project managers, they deliver compliant solutions on schedule and within budget.


6. Natural Systems Utilities

  • Website: nsuwater.com
  • Headquarters: Hillsborough, New Jersey, United States
  • Founded: 1984
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

NSU is a leader in water innovation with over 38 years of experience in planning, engineering, operating, and maintaining water recycling systems. They provide turnkey services for water and wastewater infrastructure, offering Design-Build (DB), Design-Build-Operate (DBO), and Design-Build-Own-Operate-Maintain (DBOOM) solutions to their customers.


7. Hungerford & Terry, Inc.

Hungerford & Terry, Inc. is an internationally respected manufacturer of high-efficiency water treatment systems and accessories. They offer specialized systems for boiler feedwater, power generation, municipal and industrial filtration, reverse osmosis, demineralization, and condensate polishers. With over 110 years of experience, H&T sets the standards in water treatment, providing innovative solutions to capture and reduce wastewater, increase efficiency, and remove contaminants. They are known for their solid reputation built on business ethics and their ability to meet the stringent quality control requirements of the nuclear power industry.


8. Jersey City Municipal Utilities Authority

  • Website: jcmua.com
  • Headquarters: Jersey City, New Jersey, United States
  • Founded: 1948
  • Headcount: 51-200
  • LinkedIn

Jersey City Municipal Utilities Authority (JCMUA) is a public agency that operates and maintains water and sewerage facilities in Jersey City, NJ. JCMUA is committed to protecting public health and the environment. They offer services such as water and sewerage management, storm water management, and green infrastructure initiatives.


9. General Carbon Corp.

General Carbon Corporation is a company specializing in the manufacturing and distribution of activated carbon. With a focus on cleaning and purifying water resources, they offer a range of products and services including adsorption equipment and spent carbon services. Their mission is to 'Clean The World With Activated Carbon' and they are dedicated to providing effective solutions for the treatment of various contaminants.


10. Nephros

  • Website: nephros.com
  • Headquarters: South Orange, New Jersey, United States
  • Founded: 1997
  • Headcount: 11-50
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Nephros.com offers water filtration solutions for healthcare and commercial industries to address various water quality issues such as infection control, taste, odor, and scale. Their products meet or exceed AAMI standards and help ensure the safety of dialysis patients. With technology that improves taste and reduces maintenance costs, Nephros.com provides cost-effective beverage and ice optimization for the healthcare, hospitality, food service, and beverage industries.


11. Graver Water Systems, LLC

  • Website: graver.com
  • Headquarters: Warren, New Jersey, United States
  • Founded: 1948
  • Headcount: 11-50
  • LinkedIn

Graver.com is a provider of water treatment solutions for various industries, offering a range of products such as reverse osmosis systems, filters, clarifiers, and deaerators.


12. Passaic Bergen Water Softening

PB Water Softening provides comprehensive water softening and filtration solutions to residential and commercial customers in Northern New Jersey.


13. The Portasoft Company

Portasoft is a company that offers water treatment and filtration services to both residential and commercial customers.


14. Hydra Numatic Sales CO INC

Hydra-Numatic Sales specializes in providing technical assistance to engineers and municipalities for the design and installation of water and wastewater pumping, filtration and treatment systems, control and alarm equipment.


15. Purasoft

Purasoft is a locally-owned and -operated water treatment company serving the eastern United States area since 1982. They offer free professional water testing and provide effective solutions for water purification issues that improve the taste and smell of water containing hydrogen sulfide, and reduce sulfur-staining on laundry, sinks, and kitchenware.


16. Preferred Water Testing

Preferred Water Testing offers water softening and air purification products for homes, apartments, factories, hotels, and hospitals, ensuring that water and air products exceed customers' demands.


17. South Jersey Water Conditioning

South Jersey Water Conditioning provides home water filtration systems to restore water quality to Southern New Jersey families giving them access to cleaner, healthier water.


18. Schaible's Plumbing and Heating Inc.

Schaible's Plumbing & Heating Inc. is a professional plumbing and heating company that offers a wide range of services including commercial plumbing, drain cleaning, water heaters, air conditioning installation and repair, heating installation and repair, and water treatment. With over 35 years of experience, they provide excellent customer service and high-quality workmanship.


19. Century Water Conditioning and Purification

  • Website: centurywaternj.com
  • Headquarters: Williamstown, New Jersey, United States
  • Headcount: 1-10

Century Water Conditioning & Purification, Inc. has been in the water treatment industry since 1986 and has been helping both Residential & Commercial entities with expert knowledge and solutions to ensure their water safe & healthy.


Want to find more water treatment companies?


If you want to find more companies that provide a variety of solutions like wastewater treatment, water purification, and filtration systems you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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...and a lot more!