Metals · 2024

Manganese in Boulder, CO tap water

Detected — no federal limit

Boulder, CO's 2024 report shows Manganese detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
Treated1 Sweetwater Authority Drinking Water
0–10 ug/L
Reported level
Treated1 Sweetwater Authority Drinking Water
3.3 ug/L

Verbatim from Boulder, CO's 2024 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.

People also ask

+Is there Manganese in Boulder, CO tap water?

Yes — Boulder, CO's 2024 Consumer Confidence Report lists Manganese at 0–10 ug/L. Boulder, CO's 2024 report shows Manganese detected, but the EPA has not set an enforceable federal limit for it.

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

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

+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.

+Where does this Manganese measurement come from?

This page reproduces the Manganese entry from the 2024 Consumer Confidence Report published by the Boulder, CO 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/co/boulder/2024/source.

Full report
All Boulder, CO water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Manganese across the U.S. →
Every public water system measuring Manganese, ranked.