F0/100
Fort Washakie Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,470 residents · Wyoming
What's In Fort Washakie's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 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: November 1, 2023 – November 30, 2023Rule: 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
Water Utility Details
ETHETE WATER SYSTEM
Population Served
1,950
Water Source
Surface Water
System ID
085690002
FORT WASHAKIE
Population Served
3,520
Water Source
Surface Water
System ID
085690003
Frequently Asked Questions About Fort Washakie Water
Is Fort Washakie tap water safe to drink?
Fort Washakie, Wyoming tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 367 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Fort Washakie's water?
Of the 32 contaminants tested in Fort Washakie'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 Fort Washakie have any water quality violations?
Yes, Fort Washakie has 367 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MON. 34 of these are health-based violations, which are the most serious category.
Do I need a water filter in Fort Washakie?
Based on EPA data, using a water filter in Fort Washakie 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 Fort Washakie's tap water come from?
Fort Washakie's drinking water is sourced from surface water and supplied by ETHETE WATER SYSTEM and 1 other water system(s). The system serves approximately 5,470 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Fort Washakie'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. Fort Washakie'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 Fort Washakie's water compare to other cities in Wyoming?
Fort Washakie's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Wyoming state page to see how all cities in the state compare.
What should I do if I'm concerned about Fort Washakie's water quality?
If you have concerns about Fort Washakie'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 (ETHETE WATER SYSTEM) 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.