TapSafetyReport
D24/100

PENDLETON, CITY OF — Water Quality Report 2026

Serving 16,996 people · Oregon

Water Source
Surface Water
County
—
System ID
OR4100613
Violations
38

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
vanadium
26.90 µg/L—Above Goal
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

6

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: October 1, 2023 – July 1, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – July 3, 2023Enforcement: 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 PENDLETON, CITY OF

Is PENDLETON, CITY OF water safe to drink?

PENDLETON, CITY OF water receives a grade of D (24/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 38 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has PENDLETON, CITY OF detected?

69 contaminants were tested in PENDLETON, CITY OF's water. Notable contaminants include Lead (90th percentile), vanadium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).

Does PENDLETON, CITY OF have any EPA violations?

Yes, PENDLETON, CITY OF has 38 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 8 are health-based violations.

How many people does PENDLETON, CITY OF serve?

PENDLETON, CITY OF serves approximately 16,996 people, Oregon.

What type of water does PENDLETON, CITY OF provide?

PENDLETON, CITY OF 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 OR4100613.

How does PENDLETON, CITY OF compare to other utilities in Oregon?

PENDLETON, CITY OF scores 24/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Oregon state page for a full comparison of water systems.