Avondale, AZ: 8 Violations — 79/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
Residents of Avondale generally live with tap water that beats the AZ safety average on key EPA compliance metrics.
How Avondale Compares
Data: EPA SDWIS Last verified: 2026-06-03
Avondale Water: The Quick Version
- Your city's water systems recorded 8 violations in the past 5 years.
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 16% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.3.
Water Systems Serving Avondale
Avondale, AZ is covered by 3 major water utilities out of 3 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 2 ZIP codes in Avondale, Arizona (population ~85,807), covering 3 community water systems serving approximately 183,772 people region-wide.
2 of 2 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Avondale: B (79/100)
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
Avondale water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 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 |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 6 | 2 |
| Lead and Copper Rule | Treatment Technique | 3 | 2 |
| Consumer Confidence Report Rule | Reporting | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 85323 | B | 4 | 0 | City of Avondale |
| 85392 | B | 4 | 0 | City of Avondale |
All ZIP Codes in Avondale
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.
CDC Health Data for Avondale
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
Key Contaminants Detected in Avondale
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Avondale's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead solder was federally prohibited in new plumbing in 1986. In Avondale, the median build year of 2008 puts a majority of homes in the lower-risk category for that specific contamination pathway — though the pre-1986 share shown above still carries real exposure potential at the individual household level.
Most homes in Avondale were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Avondale: Remediation Cost in Perspective
Given current Avondale valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Avondale are relatively low compared to home values. The $800–$2,500 estimated range is a small fraction of median property value. Home values are 19% above the Arizona average.
Protecting Children from Lead in Avondale
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.
Older homes from the pre-rule era make up 16% of Avondale's inventory, a contained slice. Citywide aggregate readings stay below 0.015 mg/L under EPA Lead and Copper Rule monitoring, suggesting systemic lead is not a dominant local concern. What the aggregate cannot do is reflect conditions inside any single building, where interior plumbing age, water chemistry, and stagnation patterns interact differently than they do across thousands of service connections combined into one figure.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Avondale
Over the multi-decade window covered by the National Flood Insurance Program, Avondale has accumulated 12 claims — a total that suggests more than isolated flood exposure. With 50% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Avondale has a moderate flood history with 12 FEMA claims averaging $5,586 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Avondale, AZ