A90/100
MEDFORD WATER COMMISSION — Water Quality Report 2026
Serving 106,068 people · Oregon
Water Source
Surface Water
County
—
System ID
OR4100513
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 610.00 µg/L | — | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – July 11, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Consumer confidence report — inadequate or unavailable
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – July 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2021 – December 31, 2021Rule: Consumer Confidence 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 MEDFORD WATER COMMISSION
Is MEDFORD WATER COMMISSION water safe to drink?
MEDFORD WATER COMMISSION water receives a grade of A (90/100), 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 MEDFORD WATER COMMISSION detected?
69 contaminants were tested in MEDFORD WATER COMMISSION's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MEDFORD WATER COMMISSION have any EPA violations?
Yes, MEDFORD WATER COMMISSION has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON.
How many people does MEDFORD WATER COMMISSION serve?
MEDFORD WATER COMMISSION serves approximately 106,068 people, Oregon.
What type of water does MEDFORD WATER COMMISSION provide?
MEDFORD WATER COMMISSION 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 OR4100513.
How does MEDFORD WATER COMMISSION compare to other utilities in Oregon?
MEDFORD WATER COMMISSION scores 90/100 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.