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***Please be advised; T-TSA's phone service will be unavailable from 12:00 PM (Noon) to 2:00 PM on Tuesday, October 28th. Thank you for your patience.
The Tahoe-Truckee Sanitation Agency (T-TSA) was founded in 1972 in response to the Porter Cologne Water Quality Control Act, promulgated to protect Lake Tahoe and Truckee River water quality. T-TSA provides regional wastewater treatment service to several Tahoe-area communities through the Agency's five-member sewage collection districts. The member agencies served by T-TSA facilities include:
The Northstar Community Services District is also served by T-TSA facilities through an agreement with TSD.

T-TSA treats and disposes of the wastewater delivered to the facility by the sewage collection agencies. T-TSA is located in Martis Valley, east fo the Town of Truckee. The state-of-the-art 9.6 million gallon per day (mgd) advanced water reclamation plant provides primary and secondary treatment, phosphorus removal, biological nitrogen removal, disinfection, and effluent filtration. Because of its location in the pristine Lake Tahoe-Truckee River area, the plant is required to meet some of the most stringent discharge requirements in the country. Final effluent polishing is achieved by routing the effluent through the Soil Aquifer Treatment system, having the soil remove additional constituents as the effluent percolates through it.