Metals · 2025

Manganese in Ventura Wwd No. 8 - Simi Valley, CA tap water

Not detected

Ventura Wwd No. 8 - Simi Valley, CA's 2025 Consumer Confidence Report tested for Manganese and reported no detectable amount.

The measurement

StatisticValue
Highest single sample
Entry point
Not detected UG/L

Verbatim from Ventura Wwd No. 8 - Simi Valley, CA's 2025 Consumer Confidence Report — source document ↗

About Manganese

A naturally occurring metal from soil and rock.

No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.

How Ventura Wwd No. 8 - Simi Valley, CA compares

5 of the 249 systems measuring Manganese on The Water Map have it at or above the federal limit:

Nearby systems also reporting Manganese:

People also ask

+Is there Manganese in Ventura Wwd No. 8 - Simi Valley, CA tap water?

Ventura Wwd No. 8 - Simi Valley, CA's 2025 Consumer Confidence Report tested for Manganese and found no detectable amount.

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

The federal MCL for Manganese is 50 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Manganese?

A naturally occurring metal from soil and rock. No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.

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

5 of the 249 systems on The Water Map measuring Manganese report it at or above the federal limit. Examples include Green Bay, WI, Mesa Del Toro Mwc, CA, Kent, WA.

+Where does this Manganese measurement come from?

This page reproduces the Manganese entry from the 2025 Consumer Confidence Report published by the Ventura Wwd No. 8 - Simi Valley, 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-wwd-no-8-simi-valley/2025/source.

Full report
All Ventura Wwd No. 8 - Simi Valley, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Manganese across the U.S. →
Every public water system measuring Manganese, ranked.