USAF DAVIS MONTHAN AFB

DAVIS-MONTHAN AFB, AZ · ~18,640 people served

Check your exact address → DAVIS-MONTHAN AFB overview

100

Excellent

PurityRadar safety score

PWSID

AZ0420549

State

Arizona

City

DAVIS-MONTHAN AFB

Population served

18,640

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

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

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 Jun 2024). Levels in parts per trillion (ppt).

Lithium

12,600 ppt

limit —

No federal limit

Violations & enforcement

723

Violations on record

Unaddressed

Health-based

325

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved

Reporting · Lead & Copper Rule began Apr 2025 Resolved

Monitoring & reporting · Nitrate began Jan 2024 Resolved

Monitoring & reporting · Nitrate began Jan 2022 Resolved

Recent enforcement actions

State action · SOX Oct 2025
State action · SIA Oct 2025
State action · SOX Jun 2025
State action · SIA Jun 2025
State action · SOX Mar 2025
State action · SIA Jan 2025
State action · SIA Jan 2025
State action · SIA Jan 2025

This profile is built from EPA public records for system AZ0420549 — 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.