What's in DOUGLAS, CITY OF's water?
DOUGLAS, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 6,400 people through 2,702 service connections.
How this compares nationally
10 total violations and 2 health-based ones put DOUGLAS, CITY OF at the 49th percentile nationally for violation burden, rank 6,534 of 12,903.
Against the WY average
Among the 44 WY systems in this dataset, the average is 5.0 health-based violations - DOUGLAS, CITY OF's 2 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
DOUGLAS, CITY OF's most recent violation on record is dated 2002-01-01, with the most recent health-based one dated 1994-01-01. Last reported to EPA: 06/29/2026.
The concern categories on record
DOUGLAS, CITY OF'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:
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What DOUGLAS, CITY OF's record does not cover
Everything on this page is DOUGLAS, CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 2 health-based violations on file for DOUGLAS, CITY OF - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.