Water / Wastewater

Reliable water management solutions


Provide clean drinking water


Manage and treat wastewater and stormwater


Prepare for future growth

RQAW develops innovative drinking water, wastewater, and stormwater solutions. Our water resources engineers take a master-planning approach, building flexible water management systems, improving existing systems, and mitigating future repair costs. As industry experts, we provide assistance to secure grants and funding for much-needed community improvements.

Water / Wastewater Services



Our team partners with municipalities and utilities to provide reliable, safe, and affordable drinking water to communities large and small. The RQAW design-build process includes:

  • Modeling
  • Storage
  • Treatment
  • Distribution

Our innovative, practical designs deliver drinking water solutions that are cost-effective and easy to maintain.



Since our first wastewater system projects in the 1970s, our team has built an extensive knowledge base to solve wastewater problems for communities of all sizes. RQAW’s wastewater expertise spans from small lagoon treatment systems to large sewer systems with treatment plants processing more than 200 million gallons per day (MGD). We partner with our clients to design wastewater systems that are simple, safe, and effective.

  • Plant and collection system master planning
  • Hydraulic and plant process modeling
  • Long-term control plan updates
  • Sewer separation design
  • IDEM coordination and negotiation
  • Lift station design
  • Sewer collection system design
  • Plant design
  • NPDES permitting




Our team develops modern stormwater management systems that solve current issues and consider future needs. Stormwater services include:

  • Conveyance design
  • Green infrastructure design
  • Hydrologic/hydraulic modeling
  • Stormwater detention
  • Stormwater retention

With our master-planning approach, we work with our clients to build effective stormwater systems that are meant to last.

Water Resources

Pittsboro Water Treatment Plant

Water Resources

Alexandria Phosphorus Removal System

Water Resources

New Castle Aeration Equipment Upgrades

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