Is FOND DU LAC WATERWORKS's water safe to drink?
FOND DU LAC WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 44,678, over 16,049 connections.
How this compares nationally
FOND DU LAC WATERWORKS has 113 violations on record in total, 23 of thems health-based - ranking it 768th of 12,903 systems by violation count, the 94th percentile nationally.
How FOND DU LAC WATERWORKS compares within
Among the 244 systems in this dataset, the average is 11.2 health-based violations - FOND DU LAC WATERWORKS's 23 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for FOND DU LAC WATERWORKS is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
FOND DU LAC WATERWORKS's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
Everything on this page is FOND DU LAC WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and FOND DU LAC WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 768th of 12,903 by violation count. The guide to what this data misses covers that gap.