C47/100
WARREN WATER ASSOCIATION — Water Quality Report 2026
Serving 2,050 people · Oregon
Water Source
Groundwater
County
—
System ID
OR4100726
Violations
25
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About WARREN WATER ASSOCIATION
Is WARREN WATER ASSOCIATION water safe to drink?
WARREN WATER ASSOCIATION water receives a grade of C (47/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 25 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WARREN WATER ASSOCIATION detected?
2 contaminants were tested in WARREN WATER ASSOCIATION's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does WARREN WATER ASSOCIATION have any EPA violations?
Yes, WARREN WATER ASSOCIATION has 25 EPA violation(s) on record, with the most recent in 2010. Violation types include MR, MCL, TT. 5 are health-based violations.
How many people does WARREN WATER ASSOCIATION serve?
WARREN WATER ASSOCIATION serves approximately 2,050 people, Oregon.
What type of water does WARREN WATER ASSOCIATION provide?
WARREN WATER ASSOCIATION sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100726.
How does WARREN WATER ASSOCIATION compare to other utilities in Oregon?
WARREN WATER ASSOCIATION scores 47/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Oregon state page for a full comparison of water systems.