F12/100
MUCKLESHOOT — Water Quality Report 2026
Serving 3,250 people · Washington
Water Source
Groundwater
County
—
System ID
105300013
Violations
81
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
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – October 21, 2023Rule: Ground Water 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 MUCKLESHOOT
Is MUCKLESHOOT water safe to drink?
MUCKLESHOOT water receives a grade of F (12/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 81 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MUCKLESHOOT detected?
27 contaminants were tested in MUCKLESHOOT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MUCKLESHOOT have any EPA violations?
Yes, MUCKLESHOOT has 81 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MON. 1 are health-based violations.
How many people does MUCKLESHOOT serve?
MUCKLESHOOT serves approximately 3,250 people, Washington. The system provides water to 1 community: Auburn.
What type of water does MUCKLESHOOT provide?
MUCKLESHOOT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 105300013.
How does MUCKLESHOOT compare to other utilities in Washington?
MUCKLESHOOT scores 12/100 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.