TapSafetyReport
D38/100

Wilson Tap Water Quality: Is It Safe to Drink? (2026 Report)

Serving 2,900 residents · Wyoming

What's In Wilson's Tap Water?

1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

8

Violations (last 5yr)

0

Unresolved

1

Health-Related

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025 – January 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: October 2, 2024 – October 18, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – July 31, 2024Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2023 – September 23, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 15, 2023 – October 19, 2024Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 1, 2022 – December 31, 2022Rule: Total Coliform RuleEnforcement: Formal — state order issued

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

ASPENS PINES W&S DISTRICT
Population Served

1,400

Water Source

Groundwater

System ID

WY5600220

RAFTER J SUBDIVISION HOA
Population Served

1,500

Water Source

Groundwater

System ID

WY5600822

Frequently Asked Questions About Wilson Water

Is Wilson tap water safe to drink?

Wilson, Wyoming tap water receives a grade of D (38/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 133 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

What contaminants are in Wilson's water?

Of the 1 contaminants tested in Wilson's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.

Does Wilson have any water quality violations?

Yes, Wilson has 133 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, Other, MR. 2 of these are health-based violations, which are the most serious category.

Do I need a water filter in Wilson?

Wilson water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.

Where does Wilson's tap water come from?

Wilson's drinking water is sourced from groundwater and supplied by ASPENS PINES W&S DISTRICT and 1 other water system(s). The system serves approximately 2,900 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.

How often is Wilson'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. Wilson'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 Wilson's water compare to other cities in Wyoming?

Wilson's water quality score of 38/100 earns a grade of D, which is considered poor. 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 Wilson's water quality?

If you have concerns about Wilson'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 (ASPENS PINES W&S DISTRICT) 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.

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