Water system · PWSID WA5352200
JBLM McChord Field
PWSID
WA5352200
State
Washington
City
Joint Base Lewis-McChord
Population served
13,115
Primary source
Groundwater
Score history
▼ 18 points — the score moved from 100 to 82 on Jun 18, 2026, as newly published EPA data was incorporated.
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 Apr 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
5.1 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
6.7 ppt
limit 10 ppt
Lithium
10,700 ppt
limit —
Violations & enforcement
112
Violations on record
0
Unaddressed
0
Health-based
38
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jun 2017. Official EPA record →
Recent enforcement actions
- State action · SOX Jun 2017
- State action · SOX Sep 2016
- State action · SOX Jul 2014
- State action · SOX Jul 2013
- State action · SOX Jul 2013
- State action · SOX Jul 2013
- State action · SOX Jul 2013
- State action · SOX Jul 2013
This profile is built from EPA public records for system WA5352200 — 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.