Water system · PWSID WA5371650
REDMOND WATER SYSTEM CITY OF
PWSID
WA5371650
State
Washington
City
Redmond
Population served
163,335
Primary source
SWP
Score history
▼ 14 points — the score moved from 100 to 86 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 Aug 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
5 ppt
limit 4 ppt
Lithium
13,000 ppt
limit —
PFBS
5 ppt
limit —
Violations & enforcement
1
Violations on record
0
Unaddressed
0
Health-based
2
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Sep 2015. Official EPA record →
Recent enforcement actions
- State action · SOX Sep 2015
- State action · SIC Sep 1986
This profile is built from EPA public records for system WA5371650 — 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.