Is Florence, AZ tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Florence Water Company. 3 PFAS were detected below the limits.
7 public water systems serve parts of Florence. The largest, Florence Water Company, serves 14,593 people. Your water bill names your system.
Largest system
Florence Water Company
14,593 people · Groundwater · EPA ID AZ0411017
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Detected, below limit | 3.5 ppt | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 0 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 1
Across Arizona, 21 of 159 water systems EPA tested had PFAS above a 2024 federal limit, and 10 systems were above the lead action level in results from the last five years. Arizona results.
Florence homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Florence town (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Florence
- Adoc Eyman Unit Water System3,969 people · Groundwater · Arizona · lists this cityLithium above screening levelAlso: 4 health-based violations since 2016
- Adoc Florence Asp Water System1,001 people · Groundwater · Arizona · lists this cityLithium above screening levelAlso: 2 health-based violations since 2016
- Pinal County Justice Complex820 people · Purchased groundwater · Arizona · lists this cityNot in EPA's PFAS sampleAlso: 2 health-based violations since 2016
- Tonto Basin Water – Cactus Forest730 people · Groundwater · Arizona · lists this cityArsenic violations
- Desert Gardens RV Resort County – Op, Inc532 people · Groundwater · Arizona · lists this cityArsenic violationsAlso: Lead near 2027 level
- Park Water Company Inc427 people · Groundwater · Arizona · lists this cityNitrate violationsAlso: Coliform bacteria violation
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Queen Creek 16 mi Town of Queen Creek | None above limits | 0 ppb |
| Casa Grande 23 mi Arizona Water Company – Pinal Valley | None above limits | 0 ppb |
| Apache Junction 24 mi Arizona Water Company – Apache Junction | None above limits | 0 ppb |
| Gilbert 25 mi Town of Gilbert | Above limit | 0 ppb |
| Mesa 29 mi City of Mesa | None above limits | 5.01 ppb |
| Chandler 29 mi City of Chandler | None above limits | 1.4 ppb |
Florence ZIP codes (1)
- 85132
Questions
Is Florence tap water safe to drink?
Florence Water Company had 1 health-based violation since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Florence, AZ?
7 public water systems serve parts of Florence. The largest is Florence Water Company (14,593 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Florence tap water have PFAS?
Florence Water Company had 3 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.
Do Florence homes have lead pipes?
Census estimates put 12% of Florence homes as built before 1980 (Arizona: 29%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Florence Water Company's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.