F0/100
MABTON CITY OF — Water Quality Report 2026
Serving 2,150 people · Washington
Water Source
Groundwater
County
—
System ID
WA5349650
Violations
117
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
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: February 1, 2022 – February 28, 2022Rule: 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 MABTON CITY OF
Is MABTON CITY OF water safe to drink?
MABTON CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 117 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MABTON CITY OF detected?
1 contaminants were tested in MABTON CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MABTON CITY OF have any EPA violations?
Yes, MABTON CITY OF has 117 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MR, MCL. 1 are health-based violations.
How many people does MABTON CITY OF serve?
MABTON CITY OF serves approximately 2,150 people, Washington.
What type of water does MABTON CITY OF provide?
MABTON CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5349650.
How does MABTON CITY OF compare to other utilities in Washington?
MABTON CITY OF 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.