Physical & aggregate · 2026

Turbidity in Golden State Water Company - Los Osos, CA tap water

Over the federal limit· 1.9× the limit

Golden State Water Company - Los Osos, CA's 2026 Consumer Confidence Report shows Turbidity at or above the federal limit (5 NTU MCL). Measured value is 1.9× the threshold.

The measurement

StatisticValue
Highest single sample
Source water
15 NTU
Average
Source water
9.35 NTU

Verbatim from Golden State Water Company - Los Osos, 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 Golden State Water Company - Los Osos, 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 Golden State Water Company - Los Osos, CA tap water?

Yes — Golden State Water Company - Los Osos, CA's 2026 Consumer Confidence Report lists Turbidity at 9.35 NTU. Golden State Water Company - Los Osos, CA's 2026 Consumer Confidence Report shows Turbidity at or above the federal limit (5 NTU MCL). Measured value is 1.9× the threshold.

+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 Golden State Water Company - Los Osos, 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/golden-state-water-company-los-osos/2026/source.

Full report
All Golden State Water Company - Los Osos, CA water-quality data →
Every contaminant measured in the 2026 report.
Contaminant pillar
Turbidity across the U.S. →
Every public water system measuring Turbidity, ranked.