Physical & aggregate · 2024
Turbidity in City of Cupertino, CA tap water
City of Cupertino, CA's 2024 Turbidity level is between 80% and 100% of the federal limit — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Mountain Surface Water | 0.3 NTU | None set |
Range Mountain Surface Water | 0.3 NTU | None set |
Average Groundwater | 0.9 NTU | None set |
Range Groundwater | 0.9 NTU | None set |
Average VW Surface Water | 0.3 NTU | None set |
Range VW Surface Water | 0.3 NTU | None set |
Verbatim from City of Cupertino, CA's 2024 Consumer Confidence Report — source document ↗
About Turbidity
A measure of cloudiness from suspended particles in the water.
High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.
How City of Cupertino, CA compares
5 of the 661 systems measuring Turbidity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Turbidity:
People also ask
+Is there Turbidity in City of Cupertino, CA tap water?
Yes — City of Cupertino, CA's 2024 Consumer Confidence Report lists Turbidity at 0.9 NTU. City of Cupertino, CA's 2024 Turbidity level is between 80% and 100% of the federal limit — measured but not in violation.
+What's the federal limit for Turbidity in drinking water?
The EPA has not set an enforceable federal limit for Turbidity. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Turbidity?
A measure of cloudiness from suspended particles in the water. High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.
+Which other U.S. cities have Turbidity over the federal limit?
5 of the 661 systems on The Water Map measuring Turbidity report it at or above the federal limit. Examples include East Niles Csd — Bakersfield, Ca, CA, Temescal Valley Water District — Temescal Valley, Ca, CA, Cedar Rapids, IA.
+Where does this Turbidity measurement come from?
This page reproduces the Turbidity entry from the 2024 Consumer Confidence Report published by the City of Cupertino, 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/cupertino/2024/source.