F0/100
ROCHE HARBOR WATER SYSTEM INC — Water Quality Report 2026
Serving 1,985 people · Washington
Water Source
Surface Water
County
—
System ID
WA5373230
Violations
261
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
No violations in the past 5 years
Full EPA compliance since 2019.
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 ROCHE HARBOR WATER SYSTEM INC
Is ROCHE HARBOR WATER SYSTEM INC water safe to drink?
ROCHE HARBOR WATER SYSTEM INC water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 261 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ROCHE HARBOR WATER SYSTEM INC detected?
2 contaminants were tested in ROCHE HARBOR WATER SYSTEM INC's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ROCHE HARBOR WATER SYSTEM INC have any EPA violations?
Yes, ROCHE HARBOR WATER SYSTEM INC has 261 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, TT. 20 are health-based violations.
How many people does ROCHE HARBOR WATER SYSTEM INC serve?
ROCHE HARBOR WATER SYSTEM INC serves approximately 1,985 people, Washington.
What type of water does ROCHE HARBOR WATER SYSTEM INC provide?
ROCHE HARBOR WATER SYSTEM INC 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 WA5373230.
How does ROCHE HARBOR WATER SYSTEM INC compare to other utilities in Washington?
ROCHE HARBOR WATER SYSTEM INC 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.