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Water system · PWSID WA5324350

FAIRCHILD AIR FORCE BASE

Fairchild AFB, WA · ~9,544 people served

Check your exact address → Fairchild AFB overview
42
Action needed
PurityRadar safety score

PWSID

WA5324350

State

Washington

City

Fairchild AFB

Population served

9,544

Primary source

Groundwater

Score history

▼ 58 points — the score moved from 100 to 42 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 42

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 Jul 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

7.9 ppt

limit 4 ppt

Above EPA limit · 2.0×

PFHxS

Perfluorohexanesulfonic acid

17 ppt

limit 10 ppt

Above EPA limit · 1.7×

PFBS

3.6 ppt

limit —

No federal limit

PFPeA

3.6 ppt

limit —

No federal limit

PFHxA

3.5 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

0

Health-based

6

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2021 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1999 Resolved

Recent enforcement actions

  • State action · SOX Mar 2022
  • State action · SOX Oct 2014
  • State action · SOX Oct 2011
  • EPA/federal action · EOX Sep 2006
  • State action · SFJ May 1995
  • State action · SIC Sep 1985

This profile is built from EPA public records for system WA5324350 — 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.