F0/100
EAST WENATCHEE WATER DISTRICT — Water Quality Report 2026
Serving 26,519 people · Washington
Water Source
Purchased Groundwater
County
—
System ID
WA5321800
Violations
28
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.54 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 22, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – September 29, 2023Enforcement: 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: January 1, 2022 – December 31, 2022Rule: 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: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: 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 EAST WENATCHEE WATER DISTRICT
Is EAST WENATCHEE WATER DISTRICT water safe to drink?
EAST WENATCHEE WATER DISTRICT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EAST WENATCHEE WATER DISTRICT detected?
67 contaminants were tested in EAST WENATCHEE WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does EAST WENATCHEE WATER DISTRICT have any EPA violations?
Yes, EAST WENATCHEE WATER DISTRICT has 28 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 17 are health-based violations.
How many people does EAST WENATCHEE WATER DISTRICT serve?
EAST WENATCHEE WATER DISTRICT serves approximately 26,519 people, Washington.
What type of water does EAST WENATCHEE WATER DISTRICT provide?
EAST WENATCHEE WATER DISTRICT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5321800.
How does EAST WENATCHEE WATER DISTRICT compare to other utilities in Washington?
EAST WENATCHEE WATER DISTRICT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Washington state page for a full comparison of water systems.