ROCHESTER

ROCHESTER, IL · ~3,856 people served

Check your exact address → ROCHESTER overview

100

Excellent

PurityRadar safety score

PWSID

IL1671000

State

Illinois

City

ROCHESTER

Population served

3,856

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

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 May 2024. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2023 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved

Other · EPA contaminant 7500 began Oct 2012 Resolved

Monitoring & reporting · EPA contaminant 1006 began Oct 2011 Resolved

Monitoring & reporting · Total coliform began Sep 2011 Resolved

Monitoring & reporting · EPA contaminant 1006 began Jul 2011 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2011 Resolved

Monitoring & reporting · Total coliform began Nov 2007 Resolved

Other · EPA contaminant 7000 began Jul 2005 Resolved

Other · EPA contaminant 7000 began Jul 2002 Resolved

Recent enforcement actions

State action · SIF May 2024
State action · SOX Mar 2024
State action · SIE Jan 2024
State action · SIA Jan 2024
State action · SOX Feb 2014
State action · SIA Jan 2014
State action · SFK May 2013
State action · SIF Mar 2013

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Apr 2023

3.49 · max 5.42 mg/l as N · 12

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system IL1671000 — 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.