Grand Blanc, Michigan Water Quality Report
Water quality data for 6 water systems serving 29,533 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 28.5 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 285% | Above guideline |
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Compliance & Violations
Active Violations (43)
71
Jul 1, 2025
75
Jan 9, 2025
52
Jul 1, 2024
52
Jul 1, 2024
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Resolved Violations (272)
75
Aug 9, 2025
75
Aug 9, 2025
75
Aug 9, 2025
4B
Dec 11, 2024
4B
Dec 11, 2024
+ 267 more resolved violations
Frequently Asked Questions
Is Grand Blanc tap water safe to drink?
Grand Blanc's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Grand Blanc tap water?
1 contaminants have been detected in Grand Blanc's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Grand Blanc?
Install a water filter rated for the specific contaminants found in Grand Blanc's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Grand Blanc have any water quality violations?
Yes, Grand Blanc currently has 43 active violations. See the violations section above for details.