Lake Mendocino Recreation Area
WWTP Operations & Environmental Consultation
From 2019 to 2021, CTR Water provided operational support and environmental engineering consultation for the Lake Mendocino Recreation Area Wastewater Treatment Plant (WWTP), managed by the U.S. Army Corps of Engineers. Designed to treat 0.02 million gallons per day (MGD) of wastewater from the Kyen campground, Marina, and Pomo day-use areas, the facility utilizes extended aeration and chlorine contact disinfection. Acting as the project’s technical expert, CTR Water ensured continuous system performance, regulatory reporting, and compliance troubleshooting for the facility’s discharge network.
Facility Specifications
- Client: U.S. Army Corps of Engineers
- Facility Type: 0.02 MGD Wastewater Treatment Plant
- Location: Ukiah, CA (Mendocino County)
- Treatment Method: Two 10,000-gallon extended aeration tanks & chlorine contact chamber
- Disposal: Five evaporation/percolation ponds
- Regulatory Authority: North Coast RWQCB (WDR Order No. 87-017)
CTR Water Scope of Work
- Plant Operations (2019–2021): Provided operational assistance and environmental consultation for the day-use and campground WWTP.
- Compliance Management: Prepared and submitted detailed monthly Self-Monitoring Reports (SMRs) to the North Coast RWQCB.
- Process Troubleshooting: Diagnosed equipment issues and drafted formal engineering justifications for instrumentation compliance (e.g., influent flow meter operational parameters).
- Quality Assurance: Monitored critical parameters including BOD, suspended solids, coliform, and pond freeboard levels.
