Unlock the Power of Water Reuse
Lower Costs. Reduce Impact. Reimagine What’s Possible.
We don’t just treat water — we turn it into a strategic advantage. Our award-winning, cost-effective systems help clients cut utility costs, increase resilience, and dramatically reduce environmental impact.
Driven by a bold mission to create value where others see waste, NSU is reimagining water — delivering smart, scalable systems that solve today’s toughest water challenges.
Our vision is a world where recycled water powers industry, nourishes landscapes, and returns cleanly to nature — where every drop is reused or responsibly returned.
Why Work with Natural Systems Utilites?
Solving Water Supply Challenges: Our systems ease pressure on local water sources and help ensure long-term water availability — even in drought-prone or water-stressed regions.
Meaningful Cost Benefits: Our solutions often lead to significant savings over time — without compromising performance or sustainability.
Environmental Leadership: Reduce freshwater demand and wastewater discharge — protect natural resources where it matters most.
End-to-End Expertise: From concept to completion and beyond, we manage the entire lifecycle of your water reuse system.
Future-Ready Innovation: Our solutions are built for long-term sustainability, resilience, and regulatory compliance.
Our Projects
With a proven track record spanning decades, we've successfully delivered hundreds of transformative water reuse projects in collaboration with top-tier strategic partners, industry leaders, and environmentally driven organizations. As a trusted innovator since 1984, NSU has consistently delivered high-performance solutions for some of the most recognized and respected clients across North America.
Below are just a few examples that showcase the depth, quality, and diversity of the services we provide.

- Battery Park – New York
- Columbus – New Jersey
- Credit River Township – Minnesota
- Domino Sugar Redevelopment – New York
- Environmental Disposal Corporation – Bedminster, NJ
- Gillette Stadium & Patriot Place – Massachusetts
- Jackson Meadow – Minnesota
- MacDonald Island – Canada
- Meadowood Napa Valley – California
- Microsoft Campus – California
- Monmouth County – New Jersey
- Queset Commons – Massachusetts
- Sutter Hospital – California
- The New School – New York
- Town of Philipsburg – New Jersey
- Urban Smart Sewering – Massachusetts
Discover Our Projects and References

- Municipal
- Municipal wastewater
Domino Sugar Redevelopment Wastewater Reuse Facility

- Municipal
- Municipal wastewater
The New School Wastewater Reuse Facility (USA)

Over 56 Billion Gallons On-Site
About Us
What is the Natural Systems Utilities Way?
Where others see obstacles, we see solutions. As the originator of onsite water reuse systems, Natural Systems Utilities is the trusted leader in turning complex water challenges into sustainable solutions. Backed by decades of experience and strategic partnerships, we guide projects from concept to completion with confidence. Our fully integrated services — design, build, operations, maintenance, finance, and ownership — ensure performance, value, and long-term success.
Leading On-Site Water Treatment and Reuse Solutions
Natural Systems Utilities turns waste into value. Since 1984, we’ve led the industry in water reuse and sustainable innovation. Today, we manage 250+ onsite reuse systems and 150+ advanced Title V facilities across North America — delivering proven, scalable solutions where others can’t.
Water Reclamation Systems for Any Sector
Natural Systems Utilities delivers fully integrated design-build-operate services tailored to the needs of high-performance, high-demand environments. With decades of experience and a proven track record, we bring scalable water solutions to clients across a wide range of sectors, including:
Mixed-Use Developments
Integrated systems for residential, retail, and commercial properties
Universities & Educational Institutions
Campus-wide solutions that support sustainability and resilience goals
Stadiums & Arenas
High-capacity systems designed for peak usage and event-driven demand
Technology Campuses
Smart, efficient water reuse strategies for innovation-driven environments
Food & Beverage Facilities
Custom treatment systems that meet strict quality and compliance standards
Data Centers, Hospitals, Hotels & Resorts
Mission-critical reliability with round-the-clock performance
Municipal Governments
Public-private partnerships that strengthen infrastructure and water security
We don’t just serve these sectors — we set the standard. Let us show you how.
Services
At Natural Systems Utilities, we offer fully integrated services that deliver long-term performance, reliability, and value. As industry leaders in onsite water reuse, we manage every phase of the project — seamlessly and effectively.
Our core services include:
Design
Custom-engineered systems tailored to your site, goals, and regulatory requirements
Build
Expert construction and implementation, delivered on time and on budget
Operations
Day-to-day system management with a focus on efficiency, compliance, and reliability
Maintenance
Proactive care and optimization to ensure long-term system health and performance
Whether you're developing a complex mixed-use site or a high-demand facility, NSU provides the experience and expertise to deliver results — from concept to completion and beyond.
Solutions
At Natural Systems Utilities, we provide a full suite of solutions that address today’s most pressing water challenges. From water reuse to environmental consulting, our integrated approach is designed to maximize efficiency, reduce environmental impact, and deliver long-term value.
Our solutions include:
Water Reuse
Industry-leading systems that recycle water onsite — conserving resources, reducing costs, and increasing resilience
Water Treatment
Advanced treatment technologies tailored to meet water quality standards for potable, non-potable, or process use
Wastewater
Custom-engineered wastewater solutions that ensure environmental compliance and efficient system performance
Water Supply
Sustainable supply strategies, including groundwater recharge, alternative sources, and decentralized systems
Operations
End-to-end system operations that prioritize reliability, uptime, and regulatory compliance — backed by real-time monitoring and expert support
Environmental Consulting
Strategic guidance from permitting to compliance — helping clients navigate complex environmental and regulatory landscapes
From planning and design to long-term operations, NSU delivers scalable, sustainable solutions that protect water resources and power progress.
Our Story
Since 1984, Natural Systems Utilities has led the transformation of the water reuse industry. What began as a specialized engineering firm has grown into a national leader delivering end-to-end solutions — from design and construction to operations and ownership.
Through strategic growth and industry-shaping projects, we’ve helped define the standards of modern water reuse. While others speak of experience, we helped build the industry — and continue to push it forward with every project.

Company History
Natural Systems Utilities has been at the forefront of sustainable water solutions for decades. Our legacy is built on industry firsts, groundbreaking innovation, and a commitment to driving water reuse forward. Key milestones include:
1987 – Delivered the first U.S. pharmaceutical onsite reuse system (Bristol-Myers, NJ)
1988 – Developed the first decentralized community wastewater system (Bloomsbury, NJ)
1991 – Completed our first Design-Build-Operate (DBO) project (Knowlton Township, NJ)
2000 – Installed the first in-building residential high-rise reuse system (The Solaire, Battery Park, NY)
2002 – Built a 250,000+ GPD reuse system for Gillette Stadium
2005 – Replaced a failing municipal system for the St. Croix Chippewa Indians in Wisconsin
2011 – Received 22 awards at the Wastewater Operations Conference
2012 – Launched NSU through Series C financing; implemented laundry reuse at The New School (NYC)
2019 – Became a Certified B Corporation, acquired Bennett Environmental, and completed major reuse systems including Microsoft’s Mountain View Campus
2023 – Acquired by the Saur Group, strengthening our position as the leading water reuse provider in North America
Industry Firsts
Natural Systems Utilities has consistently led the way in sustainable water and energy solutions. Our team has delivered multiple industry firsts, including:
- The first decentralized community onsite wastewater utility in the U.S.
- The first blackwater reuse system designed in New Jersey (1987)
- The first in-building system combining thermal energy transfer with non-potable water supply
These milestones reflect our commitment to pushing boundaries and delivering real-world innovation that sets the standard for others to follow.
Leadership and Ownership
Natural Systems Utilities is Headquartered in Hillsborough, New Jersey, with offices and active projects across the United States and is proud to be part of the Saur / Nijhuis Saur Industries global network — combining international expertise with locally driven innovation and service.
We are a part of a global leader in water solutions, with operations spanning 70+ countries
Our global reach and U.S.-based leadership enable us to deliver scalable, sustainable solutions with unmatched precision, reliability, and local insight.
Take a tour on integrated water resource management & direct water reuse systems
Contact us
Eastern Region
Hillsborough, NJ 08844