Water Quality in Thayne, WY: 18 Violations — Grade C
Grade C · Score 67/100 · 4 water systems · Updated 2026-05-03
Thayne's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
On record with EPA: Thayne, WY has 18 water violations.
Water Quality by ZIP Code in Thayne
Water quality varies across Thayne's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 83127 | C | 67 | 18 | 3 | View report → |
Violation Trend
EPA violations recorded for water systems serving Thayne.
Water Quality Overview
Thayne, Wyoming receives a water quality grade of C with an overall score of 67 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Thayne have accumulated 18 EPA violations, including 3 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 2,310 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Thayne's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Thayne water systems is 0.0010 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Thayne is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Thayne
Thayne is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,310 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving Thayne. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Thayne
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Thayne Water Systems
The following contaminants have been detected or caused violations across Thayne's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Radium-228 | Radionuclides | 5 pCi/L | 6 | 1 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 4 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 4 | 1 | No |
| Arsenic | Inorganic | 0.01 mg/L | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Thayne:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
Violations have increased from 1 in 2022 to 2 in 2024. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 9 enforcement actions against water systems serving Thayne. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-22 | State Order Extension |
| 2025-04-14 | State Order Extension |
| 2025-02-03 | State Order Extension |
| 2025-01-28 | State Order Extension |
| 2024-08-19 | State Order Extension |
| 2024-07-22 | State Order Extension |
| 2024-07-19 | State Order Extension |
| 2024-05-23 | State Order Extension |
| 2024-04-26 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-22.
Thayne vs. Nearby Wyoming Cities
How Thayne's water quality compares to similar cities in Wyoming:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Thayne | C | 18 | 4 | 2,310 |
| Basin | C | 6 | 3 | 2,260 |
| Fort Bridger | D | 0 | 1 | 2,203 |
| Glenrock | C | 1 | 1 | 2,466 |
Common Questions About Thayne Water
These are the most common questions residents search for about water quality in Thayne, Wyoming:
Is Thayne water hard or soft? Water hardness varies by source. Thayne's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Thayne tap water? Thayne's water receives a grade of C (67/100). There are 3 health-based violations — consider filtration.
What is the best water filter for Thayne? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Thayne vs. Wyoming Average
Understanding how Thayne compares to the broader Wyoming average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Thayne.
ZIP Codes in Thayne
Thayne spans 1 ZIP code. The ZIP with the lowest water quality score is 83127. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.