Hayden, AZ: Lead Above EPA Limits — 48/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
In recent EPA cycles, Hayden shows a persistent below-average water quality pattern within AZ — documented violations span multiple service areas and have appeared consistently across reporting periods.
How Hayden Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Hayden Water
- Your city's water systems recorded 52 violations in the past 5 years.
- Average lead level: 0.017 mg/L — exceeds the EPA action level of 0.015 mg/L.
- Estimated remediation: $3,400 per household.
- CDC health risk index: 15 — above typical levels.
Who Supplies Your Water in Hayden
Hayden, AZ draws its residential water from 2 separate providers among the 2 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 2 ZIP codes in Hayden, Arizona, covering 2 community water systems serving approximately 412 people.
2 of 2 ZIP codes (100%) have recorded EPA violations. 4 health-based violations documented.
Home Safety Score
Average Home Safety Score for Hayden: D (48/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Hayden water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0170 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
- 2 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 21 | 2 |
| Surface Water Treatment Rule | Treatment Technique | 18 | 2 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 9 | 2 |
| Consumer Confidence Report Rule | Reporting | 9 | 2 |
| Contaminant 1919 | Other | 6 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 85135 | D | 26 | 2 | Hayden Town of |
| 85235 | D | 26 | 2 | Hayden Town of |
All ZIP Codes in Hayden
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
Updated daily.
Health Outcomes in Hayden
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Hayden Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Hayden Homeowners
Framing remediation within the Hayden property picture, the equity share is elevated — homeowners here are navigating a financial decision that rewards structured thinking about scope and prioritization, where the cost-to-value ratio is high enough to make the difference between a planned approach and an unplanned one financially significant.
At 9.1% of home value, remediation costs in Hayden represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,950–$5,000. Home values here are 88% below the Arizona average.
Lead Exposure Risk for Children in Hayden
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water — especially if your home was built before 1986.
<strong>2 ZIP codes</strong> (100% of the city) exceed the EPA lead action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Hayden
- Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Hayden's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Hayden, AZ