Water and Wastewater

Ensuring water is clean and safe is one of the most important services that each community can provide. To that end, CHA has developed thousands of water-related projects, each taking into account our clients' unique environmental, water quality, permitability, and funding concerns. Our water and wastewater management offerings include full engineering and support services for industrial and municipal wastewater treatment systems from initial planning through permitting, design, bidding, construction administration, start-up, certification, and ongoing operational assistance.

Water Distribution

CHA has planned, permitted, designed and delivered millions of feet of water main. This knowledge combined with our modeling, tank and pump station design expertise makes CHA an industry leader.

  • Water Distribution
  • Booster Pump Station Design
  • Construction Contract Administration and Resident Inspection
  • Distribution System Design
  • Storage Tank Design
  • Supervisory Control and Data Acquisition (SCADA)
  • Water Distribution System Modeling
Water Treatment

CHA has evaluated and designed a number of water treatment facilities for industrial and public water uses. This includes facility design and optimization using state-of-the-art treatment technologies.

  • Water Treatment
  • Comprehensive Treatment Plant Design
  • Contract Administration and Resident Inspection
  • DBP Compliance
  • Intake Design
  • Project Funding and Permitting
  • Solids Dewatering and Disposal
  • Supervisory Control and Data Acquisition Systems (SCADA)
  • Treatability Studies and Process Optimization
Wastewater Collection Systems

CHA is one of the leading collection system and wet weather flow engineering firms. CHA has assisted its many clients in constructing new gravity sewer lines, pump stations, and force mains. Our experience includes modeling, sewer system evaluation surveys, infiltration and inflow studies, sewer system rehabilitation, and equalization basin design.

  • Collection System and Pump Station Design
  • Inflow and Infiltration (I&I) Studies
  • Sanitary Sewer Evaluation Surveys (SSES)
  • Sewer Rehabilitation
  • System Mapping
  • Hydraulic Modeling
  • Capacity Management Operation and Maintenance Programs
  • Supervisory Control and Data Acquisition (SCADA)
Wastewater Treatment

CHA’s highly qualified staff specializes in developing innovative, environmentally sound, and cost-effective wastewater treatment systems to meet today’s increasingly stringent regulations. These include conventional as well as innovative treatment technologies for industrial and domestic wastewater treatment. CHA’s engineering and design services are complimented by comprehensive treatability, permitting, and funding expertise.

  • System Hydraulic Modeling
  • Treatability Studies and Process Evaluation/Optimization
  • Secondary and Tertiary Treatment System Design
  • Biological Nutrient Reduction (BNR)
  • Enhanced Biological Nutrient Reduction (EBNR)
  • Solids Handling, Treatment, and Disposal
  • Supervisory Control and Data Acquisition (SCADA)
  • Contract Administration and Resident Inspection
  • Project Funding and Permitting