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Water system · PWSID WA5300650

AIRWAY HEIGHTS CITY OF

Airway, WA · ~9,489 people served

Check your exact address → Airway overview
100
Excellent
PurityRadar safety score

PWSID

WA5300650

State

Washington

City

Airway

Population served

9,489

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

PFHxS

Perfluorohexanesulfonic acid

3.2 ppt

limit 10 ppt

Below EPA limit

PFPeA

134 ppt

limit —

No federal limit

PFBA

78 ppt

limit —

No federal limit

PFHxA

24 ppt

limit —

No federal limit

Violations & enforcement

72

Violations on record

0

Unaddressed

0

Health-based

29

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2042 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jul 2014 Resolved

Recent enforcement actions

  • State action · SOX Feb 2025
  • State action · SOX Aug 2018
  • State action · SOX Aug 2018
  • State action · SOX Aug 2018
  • State action · SOX Feb 2018
  • State action · SOX Oct 2014
  • State action · SOX Oct 2014
  • State action · SOX Oct 2014

This profile is built from EPA public records for system WA5300650 — 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.