PWSID
MI0003520
State
Michigan
City
KALAMAZOO
Population served
192,992
Primary source
Groundwater
Score history
▼ 33 points — the score moved from 100 to 67 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 Jan 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
6.7 ppt
limit 4 ppt
PFOA
Perfluorooctanoic acid
4 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
3.7 ppt
limit 10 ppt
PFPeA
6.1 ppt
limit —
PFBS
5.6 ppt
limit —
Violations & enforcement
6
Violations on record
1
Unaddressed
4
Health-based
22
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →
Recent enforcement actions
- State action · SIA Dec 2025
- State action · SIE Dec 2025
- State action · SIF Nov 2024
- State action · SIE Oct 2023
- State action · SIA Oct 2023
- State action · SOX Oct 2023
- State action · SOX Jul 2023
- State action · SIF Jun 2023
This profile is built from EPA public records for system MI0003520 — 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.