Fond Du Lac, Wisconsin Water Quality Report
Water quality data for 6 water systems serving 46,472 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 20.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 200% | Above guideline |
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Fond Du Lac, Wisconsin.
Get Water Quality Alerts
Be the first to know when water quality changes in Fond Du Lac.
Compliance & Violations
Active Violations (2)
75
Oct 17, 2024
75
Aug 1, 2010
Resolved Violations (498)
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Dec 1, 2024 — Dec 31, 2024
3A
Dec 1, 2024 — Dec 31, 2024
+ 493 more resolved violations
Frequently Asked Questions
Is Fond Du Lac tap water safe to drink?
Fond Du Lac'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 Fond Du Lac tap water?
1 contaminants have been detected in Fond Du Lac's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Fond Du Lac?
Install a water filter rated for the specific contaminants found in Fond Du Lac's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Fond Du Lac have any water quality violations?
Yes, Fond Du Lac currently has 56 active violations. See the violations section above for details.