Site work for a water / sewer project in Lake Elsinore, California. Completed plans call for site work for a water / sewer project.

Canyon Lake Water Treatment Plant Improvements Question Deadline 02/26/2025 at 10:00 AM PT All questions, interpretations, or clarifications, either administrative or technical must be requested in writing via online portal under the solicitations Online Q&A tab. Elsinore Valley Municipal Water District (District) is a publicly-owned water and sewer service agency with approximately 46,000 water services and 36,600 sewer service connections, serving a population of approximately 157,000. The project is within District's boundaries and is located within the City of Canyon Lake. The Canyon Lake Water Treatment Plant (CLWTP) is a surface water treatment plant which supplies roughly 10 to 13% of the District's local water supply. The source water for this plant is Railroad Canyon Reservoir, also known as Canyon Lake, which is supplied by runoff from the San Jacinto watershed. The lake is also used for recreational activities year-round. CLWTP was constructed in 1957 and includes sulfuric acid and ferric sulfate addition for enhanced coagulation, an upflow clarifier, anthracite/sand dual media filtration, free chlorination through filtration, ultraviolet (UV) disinfection, and chloramination. Due to sludge blanket upsets in the clarifier during periods of large temperature fluctuations and/or water quality changes, the realistic maximum product water flow is approximately 5-MGD. Several studies, including the 2017 Integrated Resources Plan and the 2018 Facilities Master Plan, determined that CLWTP is essential to District's long-term water supply and thus improvements to the plant are critical in the near-term. The studies outlined a phased approach that would increase the treatment plant capacity to 7.0 MGD in the short-term and 9.0 MGD for the moderate and long-term phases. In 2019, sampling events in Canyon Lake detected per- and polyfluoroalkyl substances (PFAS) at levels above California's Notification and Response. The plant was subsequently shut down and is not planned to operate until PFAS treatment and other near-term improvements are implemented. This Project includes improvements in the major process areas: 1) Intake pump station and pipeline 2) Flocculation and sedimentation basin 3) Static mixer and rapid mixer 4) Chemical storage and feed 5) PFAS/Taste & Odor treatment 6) Backwash and booster pump systems 7) Maintenance Building Any requests for appeals shall be made in writing and addressed to: Joe McGhee, P.E., Project Manager, jmcghee@evmwd.net and Parag Kalaria, P.E., P.M.P., Director of Water Resources, pkalaria@evmwd.ne