MyCleanWater

Cape Girardeau, Missouri Water Quality Report

Water quality data for 11 water systems serving 41,436 people.

90
Excellent
out of 100

Water Source

11
Water Systems
41K
People Served
Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium10.3 No federal limit10.0 ug/L(EPA/USGS HBSL)
103%
Above guideline
PFBA0.013 No federal limit1000.0 ug/L(EWG)
0%
Below guideline

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Compliance & Violations

Active Violations (2)

71

Jul 1, 2025

minor

72

Jul 1, 2025

minor

Resolved Violations (498)

75

May 21, 2025

minor

41

Apr 1, 2025 — Apr 30, 2025

critical

41

Apr 1, 2025 — Apr 30, 2025

critical

41

Apr 1, 2025 — Apr 30, 2025

critical

75

Feb 21, 2025

minor

+ 493 more resolved violations

Frequently Asked Questions

Is Cape Girardeau tap water safe to drink?

Cape Girardeau's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Cape Girardeau tap water?

2 contaminants have been detected in Cape Girardeau's water supply across 11 water systems. See the full contaminant table above for details.

How can I improve my water quality in Cape Girardeau?

Install a water filter rated for the specific contaminants found in Cape Girardeau's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Cape Girardeau have any water quality violations?

Yes, Cape Girardeau currently has 53 active violations. See the violations section above for details.