A80/100
JOHN DAY, CITY OF — Water Quality Report 2026
Serving 1,617 people · Oregon
Water Source
Groundwater
County
—
System ID
OR4100410
Violations
13
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
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: October 1, 2023 – June 10, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – June 10, 2024Enforcement: Resolving — corrective action underway
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, 2021 – September 26, 2022Rule: Ground Water 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 JOHN DAY, CITY OF
Is JOHN DAY, CITY OF water safe to drink?
JOHN DAY, CITY OF water receives a grade of A (80/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JOHN DAY, CITY OF detected?
1 contaminants were tested in JOHN DAY, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JOHN DAY, CITY OF have any EPA violations?
Yes, JOHN DAY, CITY OF has 13 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does JOHN DAY, CITY OF serve?
JOHN DAY, CITY OF serves approximately 1,617 people, Oregon.
What type of water does JOHN DAY, CITY OF provide?
JOHN DAY, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100410.
How does JOHN DAY, CITY OF compare to other utilities in Oregon?
JOHN DAY, CITY OF scores 80/100 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.