B76/100
ENUMCLAW WATER DEPARTMENT — Water Quality Report 2026
Serving 23,276 people · Washington
Water Source
Groundwater
County
—
System ID
WA5323600
Violations
13
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.94 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 ENUMCLAW WATER DEPARTMENT
Is ENUMCLAW WATER DEPARTMENT water safe to drink?
ENUMCLAW WATER DEPARTMENT water receives a grade of B (76/100), which is considered good. Out of 67 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ENUMCLAW WATER DEPARTMENT detected?
67 contaminants were tested in ENUMCLAW WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ENUMCLAW WATER DEPARTMENT have any EPA violations?
Yes, ENUMCLAW WATER DEPARTMENT has 13 EPA violation(s) on record, with the most recent in 2005. Violation types include MR.
How many people does ENUMCLAW WATER DEPARTMENT serve?
ENUMCLAW WATER DEPARTMENT serves approximately 23,276 people, Washington.
What type of water does ENUMCLAW WATER DEPARTMENT provide?
ENUMCLAW WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5323600.
How does ENUMCLAW WATER DEPARTMENT compare to other utilities in Washington?
ENUMCLAW WATER DEPARTMENT scores 76/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Washington state page for a full comparison of water systems.