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Water system · PWSID IL1190200

EAST ALTON

EAST ALTON, IL · ~5,786 people served

Check your exact address → EAST ALTON overview
28
Action needed
PurityRadar safety score

PWSID

IL1190200

State

Illinois

City

EAST ALTON

Population served

5,786

Primary source

Groundwater

Score history

▼ 72 points — the score moved from 100 to 28 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 28

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 Sep 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

17 ppt

limit 4 ppt

Above EPA limit · 4.3×

PFOA

Perfluorooctanoic acid

16 ppt

limit 4 ppt

Above EPA limit · 4.0×

PFHxS

Perfluorohexanesulfonic acid

8.8 ppt

limit 10 ppt

Near EPA limit

Lithium

12,000 ppt

limit —

No federal limit

PFBA

16 ppt

limit —

No federal limit

PFBS

8.4 ppt

limit —

No federal limit

PFPeA

8.3 ppt

limit —

No federal limit

PFHxA

5.6 ppt

limit —

No federal limit

PFHpA

3.8 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

1

Unaddressed

0

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2007 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 1994 Resolved

Recent enforcement actions

  • State action · SIA Aug 2025
  • State action · SOX Jul 2007
  • State action · SIA Jul 2007
  • EPA/federal action · EFJ Oct 1995
  • State action · SOX Jun 1995
  • State action · SIA Apr 1990
  • State action · SIE Apr 1990
  • State action · SIE Jul 1989

This profile is built from EPA public records for system IL1190200 — 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.