What's in WEST SLOPE WATER DISTRICT's water?
WEST SLOPE WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 11,000 people through 3,234 service connections.
WEST SLOPE WATER DISTRICT's record against the rest of the country
23 total violations and 5 health-based ones put WEST SLOPE WATER DISTRICT at the 72th percentile nationally for violation burden, rank 3,561 of 12,903.
Against the OR average
OR's 160 covered systems average 6.0 health-based violations each; WEST SLOPE WATER DISTRICT carries 5, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
WEST SLOPE WATER DISTRICT's most recent violation on record is dated 2023-01-07, with the most recent health-based one dated 2018-11-03. Last reported to EPA: 06/26/2026.
The concern categories on record
WEST SLOPE WATER DISTRICT'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 WEST SLOPE WATER DISTRICT's record does not cover
This is what WEST SLOPE WATER DISTRICT 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. This record - 5 health-based violations on file for WEST SLOPE WATER DISTRICT - 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.