F0/100
WOODBURN, CITY OF — Water Quality Report 2026
Serving 29,455 people · Oregon
Water Source
Groundwater
County
—
System ID
OR4100959
Violations
150
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 331.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – June 6, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2021 – May 31, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 WOODBURN, CITY OF
Is WOODBURN, CITY OF water safe to drink?
WOODBURN, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 150 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WOODBURN, CITY OF detected?
66 contaminants were tested in WOODBURN, CITY OF's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does WOODBURN, CITY OF have any EPA violations?
Yes, WOODBURN, CITY OF has 150 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MON, MCL. 10 are health-based violations.
How many people does WOODBURN, CITY OF serve?
WOODBURN, CITY OF serves approximately 29,455 people, Oregon.
What type of water does WOODBURN, CITY OF provide?
WOODBURN, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100959.
How does WOODBURN, CITY OF compare to other utilities in Oregon?
WOODBURN, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oregon state page for a full comparison of water systems.