Is UMPQUA BASIN WATER ASSOC's water safe to drink?
UMPQUA BASIN WATER ASSOC had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 9,499, over 4,603 connections.
UMPQUA BASIN WATER ASSOC's record against the rest of the country
UMPQUA BASIN WATER ASSOC has 76 violations on record in total, 2 of thems health-based - ranking it 5,822th of 12,903 systems by violation count, the 55th percentile nationally.
How UMPQUA BASIN WATER ASSOC compares within OR
Among the 160 OR systems in this dataset, the average is 6.0 health-based violations - UMPQUA BASIN WATER ASSOC's 2 is at or below that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for UMPQUA BASIN WATER ASSOC is from 2026-06-05 (health-based: 2024-01-04). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
UMPQUA BASIN WATER ASSOC'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: Surface Water Treatment Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what UMPQUA BASIN WATER ASSOC 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 UMPQUA BASIN WATER ASSOC's customers' taps is household plumbing, invisible to a system-level record ranked 5,822th of 12,903 by violation count. The guide to what this data misses covers that gap.