B66/100
NORTH PENINSULA — Water Quality Report 2026
Serving 16,449 people · Washington
Water Source
Groundwater
County
—
System ID
WA5305122
Violations
11
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
Surface water treatment technique failure
When: July 1, 2024 – February 24, 2025Enforcement: 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 NORTH PENINSULA
Is NORTH PENINSULA water safe to drink?
NORTH PENINSULA water receives a grade of B (66/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NORTH PENINSULA detected?
66 contaminants were tested in NORTH PENINSULA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORTH PENINSULA have any EPA violations?
Yes, NORTH PENINSULA has 11 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 5 are health-based violations.
How many people does NORTH PENINSULA serve?
NORTH PENINSULA serves approximately 16,449 people, Washington.
What type of water does NORTH PENINSULA provide?
NORTH PENINSULA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5305122.
How does NORTH PENINSULA compare to other utilities in Washington?
NORTH PENINSULA scores 66/100 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.