D31/100
LAKEHAVEN WATER AND SEWER DISTRICT — Water Quality Report 2026
Serving 118,273 people · Washington
Water Source
Purchased Surface Water
County
—
System ID
WA5341997
Violations
50
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.93 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 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, 2022 – December 8, 2022Enforcement: 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 LAKEHAVEN WATER AND SEWER DISTRICT
Is LAKEHAVEN WATER AND SEWER DISTRICT water safe to drink?
LAKEHAVEN WATER AND SEWER DISTRICT water receives a grade of D (31/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 50 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAKEHAVEN WATER AND SEWER DISTRICT detected?
77 contaminants were tested in LAKEHAVEN WATER AND SEWER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does LAKEHAVEN WATER AND SEWER DISTRICT have any EPA violations?
Yes, LAKEHAVEN WATER AND SEWER DISTRICT has 50 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does LAKEHAVEN WATER AND SEWER DISTRICT serve?
LAKEHAVEN WATER AND SEWER DISTRICT serves approximately 118,273 people, Washington.
What type of water does LAKEHAVEN WATER AND SEWER DISTRICT provide?
LAKEHAVEN WATER AND SEWER DISTRICT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WA5341997.
How does LAKEHAVEN WATER AND SEWER DISTRICT compare to other utilities in Washington?
LAKEHAVEN WATER AND SEWER DISTRICT scores 31/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Washington state page for a full comparison of water systems.