What's in DARBOY SANITARY DIST 1's water?
DARBOY SANITARY DIST 1 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 13,024 people get their water from it, across 4,823 connections.
Ranked against every other system in this dataset
5 total violations and 2 health-based ones put DARBOY SANITARY DIST 1 at the 47th percentile nationally for violation burden, rank 6,854 of 12,903.
How DARBOY SANITARY DIST 1 compares within WI
Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - DARBOY SANITARY DIST 1's 2 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 DARBOY SANITARY DIST 1 is from 2025-05-10 (health-based: 1988-07-07). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
DARBOY SANITARY DIST 1'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:
- Radionuclides - flagged from: Combined Radium (-226 and -228)
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
Everything on this page is DARBOY SANITARY DIST 1'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 DARBOY SANITARY DIST 1's customers' taps is household plumbing, invisible to a system-level record ranked 6,854th of 12,903 by violation count. The guide to what this data misses covers that gap.