Metals · 2025

Iron in Glendale-city, Water Dept., CA tap water

Over the federal limit· 2.7× the limit

Glendale-city, Water Dept., CA's 2025 Consumer Confidence Report shows Iron at or above the federal limit (300 UG/L MCL). Measured value is 2.7× the threshold.

The measurement

StatisticValue
Highest single sample
Source water
640 UG/L
Average
Distribution
824.4 UG/L
Average
Source water
27.462809917355372 UG/L
Highest single sample
Distribution
2200 UG/L
Highest single sample
Entry point
Not detected UG/L

Verbatim from Glendale-city, Water Dept., CA's 2025 Consumer Confidence Report — source document ↗

About Iron

A naturally occurring metal common in groundwater.

Regulated only as a secondary (cosmetic) standard; causes rusty color, staining, and metallic taste.

How Glendale-city, Water Dept., CA compares

5 of the 236 systems measuring Iron on The Water Map have it at or above the federal limit:

Nearby systems also reporting Iron:

People also ask

+Is there Iron in Glendale-city, Water Dept., CA tap water?

Yes — Glendale-city, Water Dept., CA's 2025 Consumer Confidence Report lists Iron at 824.4 UG/L. Glendale-city, Water Dept., CA's 2025 Consumer Confidence Report shows Iron at or above the federal limit (300 UG/L MCL). Measured value is 2.7× the threshold.

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

The federal MCL for Iron is 300 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Iron?

A naturally occurring metal common in groundwater. Regulated only as a secondary (cosmetic) standard; causes rusty color, staining, and metallic taste.

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

5 of the 236 systems on The Water Map measuring Iron report it at or above the federal limit. Examples include Bakersfield, City of, CA, City of San Jose - Evg/edv/coy, CA, City of Vallejo, CA.

+Where does this Iron measurement come from?

This page reproduces the Iron entry from the 2025 Consumer Confidence Report published by the Glendale-city, Water Dept., 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/glendale-city-water-dept/2025/source.

Full report
All Glendale-city, Water Dept., CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Iron across the U.S. →
Every public water system measuring Iron, ranked.