Atascadero Mutual Water Company (AMWC) serves over 30,000 residents of Atascadero, with over 10,000 service connections. Our mission is to provide our shareholders with a continuous, safe, and reliable supply of water at a reasonable cost, while providing the highest level of customer service.
Low-Income Household Water Assistance Program
Applications are now being accepted for the new Low-Income Housing Water Assistance Program (LIHWAP). The LIHWAP offers one-time assitance to eligible customers. To determine if you are eligible and to learn more about LIHWAP, visit CAPSLO Water Assistance.
Annual Water Quality Report (CCR)
We are pleased to present our annual water quality report covering all testing performed between January 1 and December 31, 2021. AMWC is dedicated to producing drinking water that meets all state and federal standards. We are committed to meeting the state's water source protection, water conservation, and community education goals, and serving the needs of all of our water users. Click here to view report [PDF]
PFAS Water Contamination
On May 21, 2019, Atascadero Mutual Water Company (AMWC) received the results of water samples that were analyzed for polyfluoroalkyl substances (PFAS) under the EPA's Unregulated Contaminant Rule. Click here for the latest information [PDF]
Each year, AMWC performs a survey of the water rates [PDF] used by other water purveyors in San Luis Obispo County. The average monthly water use for a single-family residence in AMWC’s service area is used for comparison. The actual average monthly use in other water purveyor’s service areas varies due to costs and/or other conditions.
Water Meter 101
Wondering how to read your meter or detect a leak? Check out our Consumer Info page to learn about meters, leaks, and more!