F0/100
WASILLA WATER SYSTEM — Water Quality Report 2026
Serving 18,492 people · Alaska
Water Source
Groundwater
County
—
System ID
AK2224646
Violations
154
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (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: May 1, 2025 – May 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Enforcement: 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 WASILLA WATER SYSTEM
Is WASILLA WATER SYSTEM water safe to drink?
WASILLA WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 154 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WASILLA WATER SYSTEM detected?
66 contaminants were tested in WASILLA WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WASILLA WATER SYSTEM have any EPA violations?
Yes, WASILLA WATER SYSTEM has 154 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, TT. 3 are health-based violations.
How many people does WASILLA WATER SYSTEM serve?
WASILLA WATER SYSTEM serves approximately 18,492 people, Alaska. The system provides water to 1 community: Wasilla.
What type of water does WASILLA WATER SYSTEM provide?
WASILLA WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AK2224646.
How does WASILLA WATER SYSTEM compare to other utilities in Alaska?
WASILLA WATER SYSTEM scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Alaska state page for a full comparison of water systems.