Mendota Wildlife Area
Water Treatment Operations & Infrastructure Upgrades
CTR Water has partnered with the California Department of Fish and Wildlife (CDFW) since 2020 to operate and maintain the Mendota Wildlife Area’s domestic water treatment system. The packaged water treatment unit utilizes a multi-barrier filtration process designed to treat up to 21,000 gallons per day of raw surface water. In addition to multi-year preventative maintenance and operational oversight, CTR Water has executed critical infrastructure upgrades to modernize the facility, optimize chemical dosing, and ensure safe, reliable potable water for the site.
Facility Specifications
- Client: California Department of Fish and Wildlife (CDFW)
- Facility Type: Packaged Surface Water Treatment Plant (15 GPM)
- Location: Mendota, CA
- Treatment Method: Dual-stage filtration (roughing & polishing) with GAC
- Chemical Feed: Pre-filtration polymer and alum coagulation
CTR Water Scope of Work
- Plant Operations: Routine functionality checks, process adjustments, and preventative maintenance (2020–Present).
- System Modernization: Replaced the main effluent pump with a high-efficiency Grundfos CR15-2 multistage pump and installed a new Well-X-Trol pressure tank.
- Instrumentation Upgrades: Installation and calibration of a Chemtrac HydroAct 2 free chlorine and pH analyzer.
- Chemical Storage Retrofit: Engineered a dual Cl2 drum manifold system to optimize chlorine storage and feed reliability.
