VOCs & pesticides · 2025
Atrazine in Santa Rosa, City of, CA tap water
Santa Rosa, City of, CA's 2025 Consumer Confidence Report tested for Atrazine and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | Not detected UG/L | 1 UG/L MCL |
Verbatim from Santa Rosa, City of, CA's 2025 Consumer Confidence Report — source document ↗
About Atrazine
A widely used agricultural herbicide that reaches water through runoff.
Long-term exposure above the federal limit can affect the cardiovascular and reproductive systems.
How Santa Rosa, City of, CA compares
2 of the 192 systems measuring Atrazine on The Water Map have it at or above the federal limit:
Nearby systems also reporting Atrazine:
People also ask
+Is there Atrazine in Santa Rosa, City of, CA tap water?
Santa Rosa, City of, CA's 2025 Consumer Confidence Report tested for Atrazine and found no detectable amount.
+What's the federal limit for Atrazine in drinking water?
The federal MCL for Atrazine is 1 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Atrazine?
A widely used agricultural herbicide that reaches water through runoff. Long-term exposure above the federal limit can affect the cardiovascular and reproductive systems.
+Which other U.S. cities have Atrazine over the federal limit?
2 of the 192 systems on The Water Map measuring Atrazine report it at or above the federal limit. Examples include Columbus, OH, Charlotte, NC.
+Where does this Atrazine measurement come from?
This page reproduces the Atrazine entry from the 2025 Consumer Confidence Report published by the Santa Rosa, City of, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/santa-rosa/2025/source.