Inorganic chemicals

Asbestos in U.S. tap water

53 public water systems across 7 U.S. states report Asbestos in their annual Consumer Confidence Report. 1 sit at or above the federal limit.

53
systems measuring
1
over the limit
7
states represented

At or above the federal limit (1)

Water systemMeasured
California Water Service Co-leona Valley — San Jose, Ca, CA
2020 annual report
9.5 MFL

Within the federal limit (52)

Water systemMeasured
Mobile, AL
2024 annual report
5 MFL
Psmcsd - Pajaro — Royal Oaks, Ca, CA
2023 annual report
0.4 MFL
California Water Service Co-leona Valley — San Jose, Ca, CA
2021 annual report
0.26 MFL
Camp Williams-resort Water — Manhattan Beach, Ca, CA
2020 annual report
0.2 MFL
Camp Williams-resort Water — Manhattan Beach, Ca, CA
2021 annual report
0.2 MFL
Coalinga-city — Coalinga, Ca, CA
2023 annual report
0.2 MFL
Great Oaks Wc Inc — San Jose, Ca, CA
2023 annual report
0–0.19 MFL
Nacimiento Water Company — Bradley, Ca, CA
2023 annual report
0.177 MFL
Allentown, PA
2024 annual report
0.17 MFL
Abilene, TX
2024 annual report
Not detected
Antelope Valley East Kern Water Agency — Palmdale, Ca, CA
2023 annual report
Not detected MFL
Antelope Valley East Kern Water Agency — Palmdale, Ca, CA
2020 annual report
Not detected MFL
Cal Am - Bass Lake — Sacramento, Ca, CA
2023 annual report
Not detected MFL
City of Antioch, CA
2024 annual report
Not detected MFL
City of Brentwood, CA
2024 annual report
Not detected MFL
City of Martinez, CA
2024 annual report
Not detected MFL
City of Pittsburg, CA
2024 annual report
Not detected MFL
Concord, CA
2024 annual report
Not detected MFL
Covina Irrigating Co. — West Covina, Ca, CA
2023 annual report
Not detected MFL
Covina Irrigating Co. — West Covina, Ca, CA
2020 annual report
Not detected MFL
Covina Irrigating Co. — West Covina, Ca, CA
2021 annual report
Not detected MFL
Diablo Water District, CA
2024 annual report
Not detected MFL
Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA
2023 annual report
Not detected MFL
Golden State Water Company, CA
2024 annual report
Not detected MFL
High Point, NC
2024 annual report
Not detected MFL
Llano Del Rio Water Company — Llano, Ca, CA
2022 annual report
Not detected
Llano Del Rio Water Company — Llano, Ca, CA
2023 annual report
Not detected
Llano Del Rio Water Company — Llano, Ca, CA
2020 annual report
Not detected
Llano Del Rio Water Company — Llano, Ca, CA
2021 annual report
Not detected
Llano Mutual Water Company — Llano, Ca, CA
2023 annual report
Not detected
Llano Mutual Water Company — Llano, Ca, CA
2020 annual report
Not detected
Llano Mutual Water Company — Llano, Ca, CA
2022 annual report
Not detected
Llano Mutual Water Company — Llano, Ca, CA
2021 annual report
Not detected
Lockeford Community Serv. Dist. — Lockeford, Ca, CA
2023 annual report
Not detected MFL
Lomita-city, Water Dept. — Lomita, Ca, CA
2021 annual report
Not detected MFL
Lomita-city, Water Dept. — Lomita, Ca, CA
2020 annual report
Not detected MFL
Mckinleyville C.s.d. — Mckinleyville, Ca, CA
2022 annual report
Not detected
Mojave Pud — Mojave, Ca, CA
2023 annual report
Not detected MFL
Nashville, TN
2023 annual report
Not detected
North Gualala Water Company — Gualala, Ca, CA
2023 annual report
Not detected MFL
Pomona, CA
2024 annual report
Not detected MFL
San Bernardino City — San Bernardino, Ca, CA
2023 annual report
Not detected MFL
South Tahoe Pud - Main — South Lake Tahoe, Ca, CA
2023 annual report
Not detected MFL
Sweetwater Springs Cwd - Guerneville — Guerneville, Ca, CA
2022 annual report
Not detected MFL
Sweetwater Springs Cwd - Monte Rio — Guerneville, Ca, CA
2022 annual report
Not detected MFL
West Jordan, UT
2024 annual report
Not detected MFL
West Valley City, UT
2024 annual report
Not detected MFL
Westside Park Mutual Water — Palmdale, Ca, CA
2023 annual report
Not detected MFL
White Fence Farms Mwc No. 1 — Palmdale, Ca, CA
2020 annual report
Not detected MFL
White Fence Farms Mwc No.3 — Lancaster, Ca, CA
2023 annual report
Not detected MFL

Showing 50 of 52. The full list is in the JSON API.

Frequently asked

+What is Asbestos?

Asbestos is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.

+What is the federal limit for Asbestos in drinking water?

The federal MCL for Asbestos is 7 . The EPA enforces this against the regulated reporting statistic (typically a running annual average or 90th percentile), not a single-sample spike.

+How many U.S. water systems have Asbestos over the federal limit?

1 of the 53 public water systems on The Water Map report Asbestos at or above its federal limit, spanning 7 U.S. states. The full list is on this page.

+How can I check if Asbestos is in my city's tap water?

Search your city on The Water Map (https://www.thewatermap.com/) or browse the list on this page. Every U.S. public water utility is required to publish an annual Consumer Confidence Report that lists every contaminant it measured, including Asbestos.

See Asbestos on the map

Color-coded by status across the whole country.

Open the map →