D29/100
TIETON WATER DEPT CITY OF — Water Quality Report 2026
Serving 1,475 people · Washington
Water Source
Groundwater
County
—
System ID
WA5388300
Violations
64
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
No violations in the past 5 years
Full EPA compliance since 2018.
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 TIETON WATER DEPT CITY OF
Is TIETON WATER DEPT CITY OF water safe to drink?
TIETON WATER DEPT CITY OF water receives a grade of D (29/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 64 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TIETON WATER DEPT CITY OF detected?
1 contaminants were tested in TIETON WATER DEPT CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TIETON WATER DEPT CITY OF have any EPA violations?
Yes, TIETON WATER DEPT CITY OF has 64 EPA violation(s) on record, with the most recent in 2018. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does TIETON WATER DEPT CITY OF serve?
TIETON WATER DEPT CITY OF serves approximately 1,475 people, Washington.
What type of water does TIETON WATER DEPT CITY OF provide?
TIETON WATER DEPT CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5388300.
How does TIETON WATER DEPT CITY OF compare to other utilities in Washington?
TIETON WATER DEPT CITY OF scores 29/100 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.