Water system · PWSID OR4100839
RAINBOW WATER DISTRICT
PWSID
OR4100839
State
Oregon
City
SPRINGFIELD
Population served
6,300
Primary source
GU
Score history
▼ 37 points — the score moved from 100 to 63 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 Oct 2025). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
7.2 ppt
limit 4 ppt
PFOA
Perfluorooctanoic acid
4.2 ppt
limit 4 ppt
Lithium
9,300 ppt
limit —
PFBS
3.8 ppt
limit —
Violations & enforcement
27
Violations on record
0
Unaddressed
2
Health-based
32
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Nov 2025. Official EPA record →
Recent enforcement actions
- State action · SOX Nov 2025
- State action · SOX Apr 2025
- State action · SIF Oct 2022
- State action · SIE Oct 2022
- State action · SOX Oct 2022
- State action · SOX Apr 2013
- State action · SIA Feb 2013
- State action · SOX Jul 2012
This profile is built from EPA public records for system OR4100839 — 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.