Water Quality in Wellton, AZ: 140 Violations — Grade D
Grade D · Score 53/100 · 2 water systems · Updated 2026-05-03
Wellton's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Reviewing EPA compliance files for Wellton, AZ surfaces 140 documented water violations — each categorized by violation type and linked to the utility that drew the federal citation.
Water Quality by ZIP Code in Wellton
Water quality varies across Wellton's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 85356 | D | 53 | 140 | 29 | View report → |
Violation Trend
EPA violations recorded for water systems serving Wellton.
Water Quality Overview
Wellton, Arizona receives a water quality grade of D with an overall score of 53 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Wellton have accumulated 140 EPA violations, including 29 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 3,163 people.
What Grade D Means
A grade of D indicates significant compliance issues. Wellton's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
The average 90th percentile lead level across Wellton water systems is 0.0013 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Wellton is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Wellton
Wellton is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 3,163 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 Wellton. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Wellton
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 Wellton Water Systems
The following contaminants have been detected or caused violations across Wellton's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Fecal Coliform | Microbiological | N/A | 31 | 1 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 22 | 1 | Yes |
| E. coli | Microbiological | N/A | 18 | 1 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 17 | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 9 | 1 | No |
| Chlorite | Disinfection Byproducts | 1 mg/L | 8 | 1 | Yes |
| Revised Total Coliform Rule | Microbiological | N/A | 4 | 1 | No |
| Barium | Inorganic | 2 mg/L | 4 | 1 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 4 | 1 | Yes |
| Stage 1 DBP Rule | Treatment Technique | N/A | 3 | 1 | No |
| Gross Alpha | Radionuclides | 15 pCi/L | 3 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 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 Wellton:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2024 | 10 | 10 |
| 2025 | 5 | 5 |
Violations have decreased from 10 in 2024 to 5 in 2025, indicating improving compliance.
EPA Enforcement History
The EPA and state regulators have taken 8 enforcement actions against water systems serving Wellton. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-18 | State Informal Action |
| 2025-09-18 | State Order Extension |
| 2025-09-15 | State Order Extension |
| 2025-08-19 | State Order Extension |
| 2025-08-12 | State Informal Action |
| 2025-08-12 | State Order Extension |
| 2025-08-04 | State Informal Enforcement |
| 2025-08-04 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-18.
Wellton vs. Nearby Arizona Cities
How Wellton's water quality compares to similar cities in Arizona:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Wellton | D | 140 | 2 | 3,163 |
| Vernon | B | 19 | 5 | 3,178 |
| Bagdad | B | 4 | 1 | 3,200 |
| Wikieup | D | 0 | 1 | 3,200 |
Common Questions About Wellton Water
These are the most common questions residents search for about water quality in Wellton, Arizona:
Is Wellton water hard or soft? Water hardness varies by source. Wellton's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Wellton tap water? Wellton's water receives a grade of D (53/100). There are 29 health-based violations — consider filtration.
What is the best water filter for Wellton? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Wellton vs. Arizona Average
Understanding how Wellton compares to the broader Arizona 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 Wellton.
ZIP Codes in Wellton
Wellton spans 1 ZIP code. The ZIP with the lowest water quality score is 85356. 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.