Water Quality in Arizona City, AZ: 64 Violations — Grade D
Grade D · Score 52/100 · 2 water systems · Updated 2026-05-03
Arizona City's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Arizona City in AZ has 64 EPA water violations documented — the compliance history below covers what was flagged and which local systems are associated with each finding.
Water Quality by ZIP Code in Arizona City
Water quality varies across Arizona City's 2 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 85223 | D | 48 | 32 | 4 | View report → |
| 85123 | C | 56 | 32 | 4 | View report → |
Violation Trend
EPA violations recorded for water systems serving Arizona City.
Water Quality Overview
Arizona City, Arizona receives a water quality grade of D with an overall score of 52 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Arizona City have accumulated 64 EPA violations, including 8 health-based violations. These violations are tracked across 2 ZIP codes serving approximately 602 people.
What Grade D Means
A grade of D indicates significant compliance issues. Arizona City'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 Arizona City water systems is 0.0130 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Arizona City is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Arizona City
Arizona City is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 602 people across 2 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 20 enforcement actions against water systems serving Arizona City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Arizona City
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 Arizona City Water Systems
The following contaminants have been detected or caused violations across Arizona City's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | N/A | 16 | 2 | No |
| Barium | Inorganic | 2 mg/L | 8 | 2 | Yes |
| Surface Water Treatment Rule | Treatment Technique | N/A | 8 | 2 | No |
| Lead | Inorganic | 0.015 mg/L | 4 | 2 | Yes |
| Lead and Copper Rule | Treatment Technique | N/A | 2 | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 2 | 2 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 2 | 2 | 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 Arizona City:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Arizona City. Recent actions:
| Date | Action Type |
|---|---|
| 2025-07-24 | State Informal Action |
| 2025-07-24 | State Informal Enforcement |
| 2025-03-12 | State Informal Action |
| 2024-11-01 | State Order Extension |
| 2024-07-17 | State Order Extension |
| 2024-05-28 | State Informal Action |
| 2024-05-28 | State Informal Enforcement |
| 2024-05-07 | State Informal Action |
| 2024-03-15 | State Order Extension |
| 2024-03-15 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-07-24.
Arizona City vs. Nearby Arizona Cities
How Arizona City's water quality compares to similar cities in Arizona:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Arizona City | D | 64 | 2 | 602 |
| Arlington | C | 0 | 1 | 604 |
| Yarnell | B | 14 | 2 | 615 |
| Hayden | D | 52 | 2 | 577 |
Common Questions About Arizona City Water
These are the most common questions residents search for about water quality in Arizona City, Arizona:
Is Arizona City water hard or soft? Water hardness varies by source. Arizona City's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Arizona City tap water? Arizona City's water receives a grade of D (52/100). There are 8 health-based violations — consider filtration.
What is the best water filter for Arizona City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Arizona City vs. Arizona Average
Understanding how Arizona City 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 Arizona City.
ZIP Codes in Arizona City
Arizona City spans 2 ZIP codes. The ZIP with the lowest water quality score is 85123. 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.