C43/100
Wasilla Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 20,082 residents · Alaska
What's In Wasilla's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
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
Water Utility Details
VALLEY UTILITIES LLC
Population Served
1,590
Water Source
Groundwater
System ID
AK2220408
WASILLA WATER SYSTEM
Population Served
18,492
Water Source
Groundwater
System ID
AK2224646
Frequently Asked Questions About Wasilla Water
Is Wasilla tap water safe to drink?
Wasilla, Alaska tap water receives a grade of C (43/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 157 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Wasilla's water?
Of the 67 contaminants tested in Wasilla's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Wasilla have any water quality violations?
Yes, Wasilla has 157 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, TT. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Wasilla?
Based on EPA data, using a water filter in Wasilla is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Wasilla's tap water come from?
Wasilla's drinking water is sourced from groundwater and supplied by VALLEY UTILITIES LLC and 1 other water system(s). The system serves approximately 20,082 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Wasilla's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Wasilla's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Wasilla's water compare to other cities in Alaska?
Wasilla's water quality score of 43/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Alaska state page to see how all cities in the state compare.
What should I do if I'm concerned about Wasilla's water quality?
If you have concerns about Wasilla's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (VALLEY UTILITIES LLC) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.