A93/100
WEST LINN, CITY OF — Water Quality Report 2026
Serving 28,000 people · Oregon
Water Source
Purchased Surface Water
County
—
System ID
OR4100944
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 WEST LINN, CITY OF
Is WEST LINN, CITY OF water safe to drink?
WEST LINN, CITY OF water receives a grade of A (93/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WEST LINN, CITY OF detected?
69 contaminants were tested in WEST LINN, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WEST LINN, CITY OF have any EPA violations?
Yes, WEST LINN, CITY OF has 4 EPA violation(s) on record, with the most recent in 2016. Violation types include MR.
How many people does WEST LINN, CITY OF serve?
WEST LINN, CITY OF serves approximately 28,000 people, Oregon.
What type of water does WEST LINN, CITY OF provide?
WEST LINN, CITY OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OR4100944.
How does WEST LINN, CITY OF compare to other utilities in Oregon?
WEST LINN, CITY OF scores 93/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Oregon state page for a full comparison of water systems.