Florence, AZ: 12 Health Violations — 78/100 (2026)
3 ZIP codes · 8 water systems · Updated 2026-06-03
Within Florence, safety indicators for tap water remain above the AZ median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Florence Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Florence Water
- Your city's water systems recorded 138 violations in the past 5 years.
- Average lead level: 0.0013 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 13.46 — above typical levels.
Who Supplies Your Water in Florence
Water delivery in Florence, AZ is handled by 3 utilities rather than a single system — drawn from 8 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 3 ZIP codes in Florence, Arizona (population ~38,809), covering 8 community water systems serving approximately 130,685 people region-wide.
3 of 3 ZIP codes (100%) have recorded EPA violations. 12 health-based violations documented.
Home Safety Score
Average Home Safety Score for Florence: B (78/100)
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
Florence water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0013 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): 3 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 96 | 3 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 20 | 3 |
| Stage 2 DBP Rule | Treatment Technique | 16 | 3 |
| Surface Water Treatment Rule | Treatment Technique | 16 | 3 |
| Lead | Inorganic | 8 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 85132 | B | 46 | 4 | Florence Water Company |
| 85232 | B | 46 | 4 | Florence Water Company |
| 85279 | B | 46 | 4 | Florence Water Company |
All ZIP Codes in Florence
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 Florence
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 Florence Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Florence Homeowners
In Florence, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Florence are relatively low compared to home values. The $700–$3,167 estimated range is a small fraction of median property value. Home values are 3% above the Arizona average.
Lead Exposure Risk for Children in Florence
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.
Lead risk in Florence appears low overall, but individual homes may differ. 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.
Flood & Climate Risk in Florence
Over the multi-decade window covered by the National Flood Insurance Program, Florence has accumulated 4 claims — a total that suggests more than isolated flood exposure. With 33% 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.
Florence has a moderate flood history with 4 FEMA claims averaging $11,884 per payout. 33% 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 Florence, AZ