Sparta Waterworks, WI Water Quality
Sparta Waterworks: EPA violation history, explained
Sparta Waterworks has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 10,025 people through 3,112 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, Sparta Waterworks ranks 6,485th by violation burden (50th percentile) - 11 violations total, 2 health-based.
Against the WI average
Sparta Waterworks's 2 health-based violations sit within the WI average of 5.4, across 259 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Sparta Waterworks's most recent violation on record is dated 2010-01-08, with the most recent health-based one dated 2010-01-08. Last reported to EPA: 05/29/2026.
The concern categories on record
Sparta 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
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What Sparta Waterworks's record does not cover
This is what Sparta Waterworks reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and Sparta Waterworks's customers' taps is household plumbing, invisible to a system-level record ranked 6,485th of 12,903 by violation count. The guide to what this data misses covers that gap.