What's in WATERTOWN MUNICIPAL UTILITIES's water?
WATERTOWN MUNICIPAL UTILITIES has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 23,230 people through 9,968 service connections.
How this compares nationally
WATERTOWN MUNICIPAL UTILITIES has 5 violations on record in total, 1 of them health-based - ranking it 8,681th of 12,903 systems by violation count, the 33th percentile nationally.
How WATERTOWN MUNICIPAL UTILITIES compares within SD
Among the 74 SD systems in this dataset, the average is 3.0 health-based violations - WATERTOWN MUNICIPAL UTILITIES's 1 is at or below 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 WATERTOWN MUNICIPAL UTILITIES is from 2016-01-07 (health-based: 2016-01-07). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
WATERTOWN MUNICIPAL UTILITIES'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:
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What this data is and is not
Everything on this page is WATERTOWN MUNICIPAL UTILITIES'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 WATERTOWN MUNICIPAL UTILITIES's customers' taps is household plumbing, invisible to a system-level record ranked 8,681th of 12,903 by violation count. The guide to what this data misses covers that gap.