C59/100
DEER PARK CITY OF — Water Quality Report 2026
Serving 5,045 people · Washington
Water Source
Groundwater
County
—
System ID
WA5318500
Violations
30
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Enforcement: 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 DEER PARK CITY OF
Is DEER PARK CITY OF water safe to drink?
DEER PARK CITY OF water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 30 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DEER PARK CITY OF detected?
31 contaminants were tested in DEER PARK CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DEER PARK CITY OF have any EPA violations?
Yes, DEER PARK CITY OF has 30 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does DEER PARK CITY OF serve?
DEER PARK CITY OF serves approximately 5,045 people, Washington.
What type of water does DEER PARK CITY OF provide?
DEER PARK CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5318500.
How does DEER PARK CITY OF compare to other utilities in Washington?
DEER PARK CITY OF scores 59/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Washington state page for a full comparison of water systems.