WASHINGTON COUNTY WATER COMPANY

NASHVILLE, IL · ~11,374 people served

Check your exact address → NASHVILLE overview

100

Excellent

PurityRadar safety score

PWSID

IL1895600

State

Illinois

City

NASHVILLE

Population served

11,374

Primary source

SWP

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

Latest detections from EPA’s UCMR5 monitoring (through Feb 2025). Levels in parts per trillion (ppt).

PFBA

5.9 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed

Treatment technique · EPA contaminant 0300 health-based began Jan 2018 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2013 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2013 Resolved

Recent enforcement actions

State action · SIA Jul 2025
State action · SIE Jul 2025
State action · SIF Mar 2018
State action · SOX Mar 2018
State action · SIE Feb 2018
State action · SIA Feb 2018
State action · SO6 Feb 2018
State action · SIF Jun 2014

This profile is built from EPA public records for system IL1895600 — 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.