Other
Dbaa in U.S. tap water
229 public water systems across 1 U.S. states report Dbaa in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (45)
| Water system | Measured |
|---|---|
| Cal-water Service Co.-chico, CA 2025 annual report | Not detected UG/L |
| Cal-water Service Co.-chico, CA 2023 annual report | Not detected UG/L |
| Cal-water Service Co.-chico, CA 2026 annual report | Not detected UG/L |
| California Water Service - San Mateo, CA 2025 annual report | Not detected UG/L |
| California Water Service - San Mateo, CA 2023 annual report | Not detected UG/L |
| Chico, CA 2024 annual report | Not detected UG/L |
| City of Antioch, CA 2026 annual report | Not detected UG/L |
| City of Clovis, CA 2025 annual report | Not detected UG/L |
| City of Clovis, CA 2023 annual report | Not detected UG/L |
| City of Clovis, CA 2026 annual report | Not detected UG/L |
| City of Hayward, CA 2025 annual report | Not detected UG/L |
| City of Hayward, CA 2026 annual report | Not detected UG/L |
| City of Santa Clara, CA 2026 annual report | Not detected UG/L |
| Clovis, CA 2024 annual report | Not detected UG/L |
| Cws - Visalia, CA 2026 annual report | Not detected UG/L |
| Cws - Visalia, CA 2023 annual report | Not detected UG/L |
| Cws - Visalia, CA 2025 annual report | Not detected UG/L |
| East Valley Service Area, CA 2024 annual report | Not detected UG/L |
| El Monte, CA 2024 annual report | Not detected UG/L |
| El Monte-city, Water Dept., CA 2026 annual report | Not detected UG/L |
| Fern Valley Wd, CA 2023 annual report | Not detected UG/L |
| Fern Valley Wd, CA 2026 annual report | Not detected UG/L |
| Fern Valley Wd, CA 2025 annual report | Not detected UG/L |
| Golden State Water Company, CA 2024 annual report | Not detected UG/L |
| Golden State Water Company - Los Osos, CA 2023 annual report | Not detected UG/L |
| Golden State Water Company - Los Osos, CA 2025 annual report | Not detected UG/L |
| Hayward, CA 2024 annual report | Not detected UG/L |
| Hesperia, CA 2024 annual report | Not detected UG/L |
| Hesperia Wd, CA 2023 annual report | Not detected UG/L |
| Hesperia Wd, CA 2025 annual report | Not detected UG/L |
| Hesperia Wd, CA 2026 annual report | Not detected UG/L |
| Rancho Estates Mutual Water Co., CA 2024 annual report | Not detected UG/L |
| Rancho Estates Mutual Water Co., CA 2025 annual report | Not detected UG/L |
| Rialto, CA 2024 annual report | Not detected UG/L |
| Rialto, City of, CA 2025 annual report | Not detected UG/L |
| Rialto, City of, CA 2023 annual report | Not detected UG/L |
| Riverside, CA 2024 annual report | Not detected UG/L |
| Riverside, City of, CA 2026 annual report | Not detected UG/L |
| Santa Rosa, City of, CA 2026 annual report | Not detected UG/L |
| Sbdno County Service Area 70 Cedar Glen, CA 2026 annual report | Not detected UG/L |
| SFPUC City Distribution Division, CA 2025 annual report | Not detected UG/L |
| SFPUC City Distribution Division, CA 2026 annual report | Not detected UG/L |
| SFPUC City Distribution Division, CA 2024 annual report | Not detected UG/L |
| Victorville Water District, CA 2026 annual report | Not detected UG/L |
| Visalia, CA 2024 annual report | Not detected UG/L |
Frequently asked
+What is Dbaa?
Dbaa is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+Does Dbaa have a federal limit in drinking water?
Dbaa does not have an enforceable federal MCL. Utilities still report any measured levels in their annual Consumer Confidence Report.
+How many U.S. water systems have Dbaa over the federal limit?
Zero of the 229 public water systems in The Water Map dataset currently report Dbaa at or above its federal limit.
+How can I check if Dbaa 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 Dbaa.