BIG WALNUT WATER COMPANY

GREENCASTLE, IN · ~500 people served

Check your exact address → GREENCASTLE overview

100

Excellent

PurityRadar safety score

PWSID

IN5267002

State

Indiana

City

GREENCASTLE

Population served

500

Primary source

GWP

Score history

No change since tracking began Jun 18, 2026.

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

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2018 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2017 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2017 Resolved

Monitoring · Lead & Copper Rule began Jul 2017 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved

Other · EPA contaminant 7000 began Jul 2015 Resolved

Monitoring & reporting · Total coliform began Aug 2012 Resolved

Recent enforcement actions

State action · SIE Nov 2025
State action · SIA Nov 2025
State action · SOX Aug 2023
State action · SIF Nov 2022
State action · SIA Nov 2022
State action · SIE Nov 2022
State action · SOX May 2019
State action · SIF May 2019

This profile is built from EPA public records for system IN5267002 — 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.