Casa Grande, AZ: 19 Health Violations - Home Safety 74/100
8 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Casa Grande: B.
The model grade is high, but the records on this page include findings worth reviewing.
Your top priority: match a filter's certification to the violations (19 health-based violations). NSF certified filters →
Casa Grande, AZ scores in the upper band of the ZipCheckup grade.
How Casa Grande Compares
Data: EPA SDWIS
Key Facts for Casa Grande Residents
- Your city's water systems recorded 72 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0012 mg/L.
- Estimated remediation: $467 per household.
- Health risk index (ZipCheckup composite of CDC data): 13.46.
Casa Grande's Water Providers
Service in Casa Grande, AZ can differ by address: 5 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.
- B
Overview
We track home safety data for 8 ZIP codes in Casa Grande, Arizona (population ~71,194), covering 5 community water systems serving approximately 146,854 people region-wide. The EPA snapshots used for this build directly map water systems to 3 of 8 ZIP codes.
3 of 3 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 19 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Casa Grande: B (74/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Casa Grande water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0012 mg/L (EPA action level: 0.015 mg/L)
- 0 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
8 of 8 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 43 | 2 |
| Nitrate | Inorganic | 23 | 2 |
| Chlorine | Disinfectant | 21 | 2 |
| Lead and Copper Rule | Treatment Technique | 8 | 2 |
| Arsenic | Inorganic | 6 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 85194 | — | 72 | 19 | Arizona Water Company - Pinal Valley |
| 85193 | — | 25 | 2 | Arizona Water Company - Pinal Valley |
| 85122 | B | 2 | 0 | Arizona Water Company - Pinal Valley |
All ZIP Codes in Casa Grande
- 85122 [B] - 2 violations
- 85130
- 85193 - 25 violations ⚠
- 85194 - 72 violations ⚠
- 85222
- 85230
- 85293
- 85294
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Casa Grande Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Casa Grande's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Casa Grande
In Casa Grande, estimated remediation comes to 1% or less of the median home value.
Estimated remediation costs in Casa Grande can be compared with local home values. The $250–$967 estimated range can be set against the median property value; actual costs vary by home. Home values are 21% below the Arizona average.
Casa Grande: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Available area-level lead records for Casa Grande do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Casa Grande: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Casa Grande contains 26 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $25,693. Among ZIP codes with claim records, 80% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The $467 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Casa Grande, AZ