D22/100
NASELLE — Water Quality Report 2026
Serving 2,073 people · Washington
Water Source
Surface Water
County
—
System ID
WA5358350
Violations
67
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2007.
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 NASELLE
Is NASELLE water safe to drink?
NASELLE water receives a grade of D (22/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 67 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NASELLE detected?
1 contaminants were tested in NASELLE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NASELLE have any EPA violations?
Yes, NASELLE has 67 EPA violation(s) on record, with the most recent in 2007. Violation types include MR, MCL, TT. 2 are health-based violations.
How many people does NASELLE serve?
NASELLE serves approximately 2,073 people, Washington.
What type of water does NASELLE provide?
NASELLE 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 WA5358350.
How does NASELLE compare to other utilities in Washington?
NASELLE scores 22/100 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.