Metals · 2023

Iron in City of Fairfield, CA tap water

Over the federal limit· 4.5× the limit

City of Fairfield, CA's 2023 Consumer Confidence Report shows Iron at or above the federal limit (300 UG/L MCL). Measured value is 4.5× the threshold.

The measurement

StatisticValue
Average
Source water
1337.888888888889 UG/L
Highest single sample
Entry point
Not detected UG/L
Highest single sample
Source water
4700 UG/L

Verbatim from City of Fairfield, CA's 2023 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 City of Fairfield, 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 City of Fairfield, CA tap water?

Yes — City of Fairfield, CA's 2023 Consumer Confidence Report lists Iron at 1337.888888888889 UG/L. City of Fairfield, CA's 2023 Consumer Confidence Report shows Iron at or above the federal limit (300 UG/L MCL). Measured value is 4.5× 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 2023 Consumer Confidence Report published by the City of Fairfield, 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/fairfield/2023/source.

Full report
All City of Fairfield, CA water-quality data →
Every contaminant measured in the 2023 report.
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