Physical & aggregate · 2025
Color in City of Vacaville, CA tap water
City of Vacaville, CA's 2025 Consumer Confidence Report shows Color at or above the federal limit (15 UNITS MCL). Measured value is 5.4× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Other | Not detected UNITS | 15 UNITS MCL |
Highest single sample Source water | 249 UNITS | 15 UNITS MCL |
Average Source water | 81.25 UNITS | 15 UNITS MCL |
Average Entry point | 5 UNITS | 15 UNITS MCL |
Highest single sample Entry point | 5 UNITS | 15 UNITS MCL |
Verbatim from City of Vacaville, CA's 2025 Consumer Confidence Report — source document ↗
About Color
A measure of visible tint in the water.
Regulated only as a secondary (cosmetic) standard.
How City of Vacaville, CA compares
5 of the 196 systems measuring Color on The Water Map have it at or above the federal limit:
Nearby systems also reporting Color:
People also ask
+Is there Color in City of Vacaville, CA tap water?
Yes — City of Vacaville, CA's 2025 Consumer Confidence Report lists Color at 81.25 UNITS. City of Vacaville, CA's 2025 Consumer Confidence Report shows Color at or above the federal limit (15 UNITS MCL). Measured value is 5.4× the threshold.
+What's the federal limit for Color in drinking water?
The federal MCL for Color is 15 UNITS. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Color?
A measure of visible tint in the water. Regulated only as a secondary (cosmetic) standard.
+Which other U.S. cities have Color over the federal limit?
5 of the 196 systems on The Water Map measuring Color report it at or above the federal limit. Examples include City of Vallejo, CA, City of Fairfield, CA, City of Vallejo, CA.
+Where does this Color measurement come from?
This page reproduces the Color entry from the 2025 Consumer Confidence Report published by the City of Vacaville, 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/vacaville/2025/source.