VOCs & pesticides · 2025
Atrazine in Columbus, OH tap water
Columbus, OH's 2025 Consumer Confidence Report shows Atrazine at or above the federal limit (3 ug/L MCL). Measured value is 675.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level When we checked | 2025 ug/L | 3 ug/L MCL |
Reported level Hap Cremean Water Plant | 0.11 ug/L | 3 ug/L MCL |
Range Hap Cremean Water Plant | 0–0.21 ug/L | 3 ug/L MCL |
Range Parsons Avenue Water Plant | Not detected ug/L | 3 ug/L MCL |
Range Dublin Road Water Plant | 0–0.84 ug/L | 3 ug/L MCL |
Reported level Dublin Road Water Plant | 0.2 ug/L | 3 ug/L MCL |
Reported level Columbus Water | 0 | 0.003 MCL |
Reported level Parsons Avenue Water Plant | Not detected ug/L | 3 ug/L MCL |
Verbatim from Columbus, OH'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 Columbus, OH compares
1 of the 61 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 Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Atrazine at 2025 ug/L. Columbus, OH's 2025 Consumer Confidence Report shows Atrazine at or above the federal limit (3 ug/L MCL). Measured value is 675.0× the threshold.
+What's the federal limit for Atrazine in drinking water?
The federal MCL for Atrazine is 3 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?
1 of the 61 systems on The Water Map measuring Atrazine report it at or above the federal limit. Examples include Charlotte, NC.
+Where does this Atrazine measurement come from?
This page reproduces the Atrazine entry from the 2025 Consumer Confidence Report published by the Columbus, OH 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/oh/columbus/2025/source.