C47/100
MCMINNVILLE WATER & LIGHT — Water Quality Report 2026
Serving 34,515 people · Oregon
Water Source
Surface Water
County
—
System ID
OR4100497
Violations
50
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2024 – April 30, 2024Rule: 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 MCMINNVILLE WATER & LIGHT
Is MCMINNVILLE WATER & LIGHT water safe to drink?
MCMINNVILLE WATER & LIGHT water receives a grade of C (47/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 50 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MCMINNVILLE WATER & LIGHT detected?
69 contaminants were tested in MCMINNVILLE WATER & LIGHT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MCMINNVILLE WATER & LIGHT have any EPA violations?
Yes, MCMINNVILLE WATER & LIGHT has 50 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR.
How many people does MCMINNVILLE WATER & LIGHT serve?
MCMINNVILLE WATER & LIGHT serves approximately 34,515 people, Oregon.
What type of water does MCMINNVILLE WATER & LIGHT provide?
MCMINNVILLE WATER & LIGHT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OR4100497.
How does MCMINNVILLE WATER & LIGHT compare to other utilities in Oregon?
MCMINNVILLE WATER & LIGHT 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.