F0/100
RIDGEFIELD PUBLIC WORKS — Water Quality Report 2026
Serving 20,967 people · Washington
Water Source
Groundwater
County
—
System ID
WA5372400
Violations
1369
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.39 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2023 – February 28, 2023Rule: Total Coliform 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 RIDGEFIELD PUBLIC WORKS
Is RIDGEFIELD PUBLIC WORKS water safe to drink?
RIDGEFIELD PUBLIC WORKS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 1369 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has RIDGEFIELD PUBLIC WORKS detected?
32 contaminants were tested in RIDGEFIELD PUBLIC WORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does RIDGEFIELD PUBLIC WORKS have any EPA violations?
Yes, RIDGEFIELD PUBLIC WORKS has 1369 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, Other, MR.
How many people does RIDGEFIELD PUBLIC WORKS serve?
RIDGEFIELD PUBLIC WORKS serves approximately 20,967 people, Washington.
What type of water does RIDGEFIELD PUBLIC WORKS provide?
RIDGEFIELD PUBLIC WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5372400.
How does RIDGEFIELD PUBLIC WORKS compare to other utilities in Washington?
RIDGEFIELD PUBLIC WORKS 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.