Physical & aggregate · 2023

Hardness in Ventura, CA tap water

Detected — no federal limit

Ventura, CA's 2023 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Range
Ground Water
29–53
Average
Ventura River
26 NTU
Average
Casitas MWD
15
Average
Ventura River
26 NTU
Range
Ground Water
29–53
Range
Ventura River
25–26 NTU
Average
Ground Water
37
Range
Casitas MWD
15
Range
Ventura River
25–26 NTU
Average
Casitas MWD
15
Range
Casitas MWD
15
Average
Ground Water
37

Verbatim from Ventura, CA's 2023 Consumer Confidence Report — source document ↗

About Hardness

A measure of dissolved calcium and magnesium minerals.

Not federally regulated for health; affects scaling, soap use, and taste.

How Ventura, CA compares

4 of the 124 systems measuring Hardness on The Water Map have it at or above the federal limit:

Nearby systems also reporting Hardness:

People also ask

+Is there Hardness in Ventura, CA tap water?

Yes — Ventura, CA's 2023 Consumer Confidence Report lists Hardness at 37. Ventura, CA's 2023 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Hardness in drinking water?

The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Hardness?

A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.

+Which other U.S. cities have Hardness over the federal limit?

4 of the 124 systems on The Water Map measuring Hardness report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.

+Where does this Hardness measurement come from?

This page reproduces the Hardness entry from the 2023 Consumer Confidence Report published by the Ventura, 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/ventura/2023/source.

Full report
All Ventura, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Hardness across the U.S. →
Every public water system measuring Hardness, ranked.