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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.
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27th Annual Atascadero Creek & River Cleanup
Join friends and neighbors as we take part in cleaning up the Salinas River and Atascadero Creek.
When: Saturday, September 30, 2023 @ 9 AM
Where: AMWC Yard - 6575 Sycamore Rd.
Bring: Gloves, buckets, and water bottles.
For more info, call (805) 466-2428
Attachments [PDF]:

Notice of Water Rate Increase
The Atascadero Mutual Water Company (AMWC) Board of Directors adopted new water and polyfluoroalkyl substances (PFAS) surcharge rates at its April 12, 2023, meeting. The average water bill for a single-family residential customer will increase by approximately $14.00 per month, including the PFAS surcharge. The new rates will become effective on June 15, 2023, and will be reflected on the bill you receive in late July, which is for service from mid-June to mid-July.
Attachments [PDF]:

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, 2022. 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]

Rate Survey
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!