Physical & aggregate · 2026
Turbidity in Riverside, City of, CA tap water
Riverside, City of, CA's 2026 Turbidity measurement is below the federal limit of 5 NTU (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | 0.2 NTU | 5 NTU MCL |
Average Entry point | 0.0630952380952381 NTU | 5 NTU MCL |
Highest single sample Distribution | 0.12 NTU | 5 NTU MCL |
Average Distribution | 0.055 NTU | 5 NTU MCL |
Average Other | 0.05538461538461538 NTU | 5 NTU MCL |
Highest single sample Other | 0.12 NTU | 5 NTU MCL |
Average Source water | 0.06625 NTU | 5 NTU MCL |
Highest single sample Source water | 0.13 NTU | 5 NTU MCL |
Verbatim from Riverside, City of, CA's 2026 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 Riverside, City of, CA compares
5 of the 307 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 Riverside, City of, CA tap water?
Yes — Riverside, City of, CA's 2026 Consumer Confidence Report lists Turbidity at 0.06625 NTU. Riverside, City of, CA's 2026 Turbidity measurement is below the federal limit of 5 NTU (MCL).
+What's the federal limit for Turbidity in drinking water?
The federal MCL for Turbidity is 5 NTU. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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 307 systems on The Water Map measuring Turbidity report it at or above the federal limit. Examples include Birmingham, AL, Albuquerque, NM, City of Vallejo, CA.
+Where does this Turbidity measurement come from?
This page reproduces the Turbidity entry from the 2026 Consumer Confidence Report published by the Riverside, 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/riverside/2026/source.