What's in RAINBOW WATER DISTRICT's water?
RAINBOW WATER DISTRICT had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 6,300 people get their water from it, across 2,393 connections.
Ranked against every other system in this dataset
RAINBOW WATER DISTRICT has 29 violations on record in total, 2 of thems health-based - ranking it 6,080th of 12,903 systems by violation count, the 53th percentile nationally.
How RAINBOW WATER DISTRICT compares within OR
RAINBOW WATER DISTRICT's 2 health-based violations sit within the OR average of 6.0, across 160 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for RAINBOW WATER DISTRICT is from 2025-01-08 (health-based: 2023-01-09). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
RAINBOW 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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); 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 this data is and is not
Everything on this page is RAINBOW WATER DISTRICT'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 RAINBOW 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.