F0/100
LEWIS CO WATER DIST #1 — Water Quality Report 2026
Serving 1,174 people · Washington
Water Source
Groundwater
County
—
System ID
WA5347000
Violations
116
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
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 LEWIS CO WATER DIST #1
Is LEWIS CO WATER DIST #1 water safe to drink?
LEWIS CO WATER DIST #1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 116 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LEWIS CO WATER DIST #1 detected?
1 contaminants were tested in LEWIS CO WATER DIST #1's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LEWIS CO WATER DIST #1 have any EPA violations?
Yes, LEWIS CO WATER DIST #1 has 116 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 11 are health-based violations.
How many people does LEWIS CO WATER DIST #1 serve?
LEWIS CO WATER DIST #1 serves approximately 1,174 people, Washington.
What type of water does LEWIS CO WATER DIST #1 provide?
LEWIS CO WATER DIST #1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5347000.
How does LEWIS CO WATER DIST #1 compare to other utilities in Washington?
LEWIS CO WATER DIST #1 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.