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Copper

Metal
MCL1.3 mg/L
MCLG1.3 mg/L

Legal limit and health goal

MCL — Maximum Contaminant Level

The enforceable legal limit. Public water systems must keep levels at or below this number. Violation triggers a public notice requirement.

1.3 mg/L
MCLG — Maximum Contaminant Level Goal

The non-enforceable health goal set by the EPA. For known or probable carcinogens the MCLG is zero — no level of exposure is considered without risk.

1.3 mg/L

Representative sample reading

Actual reading — City of Flint, MI (May 2026)

Health effects

Short-term gastrointestinal distress; long-term liver or kidney damage above the action level.

Filters verified to reduce Copper

1 certified

Brita

Elite Pitcher (OB06)

Pitcher$39.99
NSF/42NSF/53

Not certified for PFAS.

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Utilities currently reporting exceedances

No utilities in our current coverage are reporting an exceedance for this contaminant.