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Water system · PWSID WA5341997

LAKEHAVEN WATER AND SEWER DISTRICT

FEDERAL WAY, WA · ~148,809 people served

Check your exact address → FEDERAL WAY overview
90
Excellent
PurityRadar safety score

PWSID

WA5341997

State

Washington

City

FEDERAL WAY

Population served

148,809

Primary source

SWP

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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

PFOS

Perfluorooctanesulfonic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

5.8 ppt

limit 10 ppt

Near EPA limit

PFPeA

14 ppt

limit —

No federal limit

PFHxA

7.5 ppt

limit —

No federal limit

PFBS

4 ppt

limit —

No federal limit

PFHpA

3.5 ppt

limit —

No federal limit

Violations & enforcement

17

Violations on record

0

Unaddressed

0

Health-based

8

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2022 Resolved
Monitoring & reporting · Arsenic began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 2032 began Oct 2007 Resolved
Monitoring & reporting · EPA contaminant 2931 began Jul 2007 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jul 2007 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jul 2007 Resolved
Monitoring & reporting · EPA contaminant 2946 began Apr 2007 Resolved
Monitoring & reporting · EPA contaminant 2032 began Apr 2007 Resolved
Monitoring & reporting · EPA contaminant 2931 began Apr 2007 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2007 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2007 Resolved
Monitoring & reporting · EPA contaminant 2931 began Jan 2007 Resolved

Recent enforcement actions

  • State action · SOX Dec 2022
  • State action · SOX Jun 2011
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jul 1998

This profile is built from EPA public records for system WA5341997 — 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.