Other
Styrene in U.S. tap water
32 public water systems across 7 U.S. states report Styrene in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (32)
| Water system | Measured |
|---|---|
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2020 annual report | Not detected mg/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2021 annual report | Not detected ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2022 annual report | Not detected ug/L |
| Boron Csd — Boron, Ca, CA 2022 annual report | Not detected ug/L |
| City of Hampton, VA 2024 annual report | Not detected ug/L |
| City of Newport News, VA 2025 annual report | Not detected ug/L |
| City of Poquoson, VA 2025 annual report | Not detected ug/L |
| City of Poquoson, VA 2024 annual report | Not detected ug/L |
| Cleveland, OH 2024 annual report | Not detected mg/L |
| Columbus, OH 2025 annual report | Not detected mg/L |
| Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA 2023 annual report | Not detected ug/L |
| Garland, TX 2024 annual report | 0–0 ug/L |
| Hampton, VA 2025 annual report | Not detected ug/L |
| High Point, NC 2024 annual report | Not detected ug/L |
| James City County, VA 2025 annual report | Not detected ug/L |
| Mobile, AL 2024 annual report | Not detected ug/L |
| Mojave Pud — Mojave, Ca, CA 2023 annual report | Not detected ug/L |
| Montgomery, AL 2024 annual report | Not detected mg/L |
| Nashville, TN 2023 annual report | Not detected mg/L |
| Newport News, VA 2024 annual report | Not detected ug/L |
| Plano, TX 2024 annual report | 0–0 ug/L |
| South Tahoe Pud - Main — South Lake Tahoe, Ca, CA 2023 annual report | Not detected ug/L |
| Westside Park Mutual Water — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2021 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2020 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2020 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2021 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2022 annual report | Not detected ug/L |
| York County, VA 2024 annual report | Not detected ug/L |
Styrene by state
Every state where a public water system reports Styrene in its annual report, ranked by systems at or above the federal limit.
Frequently asked
+What is Styrene?
Styrene is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Styrene in drinking water?
The federal MCL for Styrene is 0.1 mg/L. 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 Styrene over the federal limit?
Zero of the 32 public water systems in The Water Map dataset currently report Styrene at or above its federal limit.
+Which states report the most Styrene in their drinking water?
No state currently has a system reporting Styrene at or above its federal limit in The Water Map dataset. California, Virginia, Ohio have the most systems measuring it.
+How can I check if Styrene 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 Styrene.