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Water system · PWSID IN5279015

PURDUE UNIV. WATER WORKS

WEST LAFAYETTE, IN · ~50,000 people served

Check your exact address → WEST LAFAYETTE overview

Excellent

PurityRadar safety score

PWSID

IN5279015

State

Indiana

City

WEST LAFAYETTE

Population served

50,000

Primary source

Groundwater

Score history

▼ 3 points — the score moved from 100 to 97 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 97

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 2023). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

6.8 ppt

limit 10 ppt

Near EPA limit

PFBS

17 ppt

limit —

No federal limit

PFPeA

12 ppt

limit —

No federal limit

PFHxA

11 ppt

limit —

No federal limit

PFPeS

8.4 ppt

limit —

No federal limit

PFBA

5.6 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2019. Official EPA record →

Monitoring · Lead & Copper Rule began May 2019 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2006 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2006 Resolved

Other · EPA contaminant 7000 began Nov 2005 Resolved

Monitoring & reporting · EPA contaminant 2980 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2981 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2976 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2984 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2979 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2985 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2987 began Jul 2002 Resolved

Monitoring & reporting · EPA contaminant 2983 began Jul 2002 Resolved

Recent enforcement actions

State action · SOX Oct 2019
State action · SIE Jun 2019
State action · SIA Jun 2019
State action · SIF Jun 2007
State action · SIA Feb 2007
State action · SOX Feb 2007
State action · SIE Feb 2007
State action · SOX Jul 2006

This profile is built from EPA public records for system IN5279015 — 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.