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Water system · PWSID AZ0411017

FLORENCE WATER COMPANY

FLORENCE, AZ · ~15,900 people served

Check your exact address → FLORENCE overview
97
Excellent
PurityRadar safety score

PWSID

AZ0411017

State

Arizona

City

FLORENCE

Population served

15,900

Primary source

Groundwater

Score history

▼ 3 points — the score moved from 100 to 97 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 97

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Mar 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

7 ppt

limit 10 ppt

Near EPA limit

Lithium

162,000 ppt

limit —

No federal limit

PFBA

9 ppt

limit —

No federal limit

PFBS

5.1 ppt

limit —

No federal limit

Violations & enforcement

238

Violations on record

4

Unaddressed

12

Health-based

112

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Other · EPA contaminant 7000 began Oct 2025 Unaddressed
Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Max contaminant level (MCL) · Nitrate health-based began Jan 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Nitrate began Jul 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2016 Resolved
Other · EPA contaminant 7000 began Oct 2016 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved

Recent enforcement actions

  • State action · SIE Dec 2025
  • State action · SIA Dec 2025
  • State action · SIF Dec 2025
  • State action · SIA Oct 2025
  • State action · SIA Oct 2025
  • State action · SOX Mar 2025
  • State action · SIA Mar 2025
  • State action · SIA Oct 2024

This profile is built from EPA public records for system AZ0411017 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.