A81/100
CLALLAM BAY SEKIU — Water Quality Report 2026
Serving 1,824 people · Washington
Water Source
Groundwater
County
—
System ID
WA5313200
Violations
8
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.48 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: June 1, 2021 – June 30, 2021Rule: 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 CLALLAM BAY SEKIU
Is CLALLAM BAY SEKIU water safe to drink?
CLALLAM BAY SEKIU water receives a grade of A (81/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CLALLAM BAY SEKIU detected?
2 contaminants were tested in CLALLAM BAY SEKIU's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CLALLAM BAY SEKIU have any EPA violations?
Yes, CLALLAM BAY SEKIU has 8 EPA violation(s) on record, with the most recent in 2021. Violation types include MON, Other, MR.
How many people does CLALLAM BAY SEKIU serve?
CLALLAM BAY SEKIU serves approximately 1,824 people, Washington.
What type of water does CLALLAM BAY SEKIU provide?
CLALLAM BAY SEKIU sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5313200.
How does CLALLAM BAY SEKIU compare to other utilities in Washington?
CLALLAM BAY SEKIU scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Washington state page for a full comparison of water systems.