SENECA COUNTY WATER DISTRICT #1

WATERLOO, NY · ~1,820 people served

Check your exact address → WATERLOO overview

100

Excellent

PurityRadar safety score

PWSID

NY4912215

State

New York

City

WATERLOO

Population served

1,820

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 Mar 2021. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved

Monitoring · Lead & Copper Rule began Nov 2019 Resolved

Other · EPA contaminant 7000 began Jul 2017 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2016 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2016 Resolved

Monitoring & reporting · Total coliform began Jul 2014 Resolved

Other began Mar 2013 Resolved

Monitoring & reporting · Fluoride began Feb 2009 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1994 Resolved

Other began Sep 1993 Resolved

Recent enforcement actions

State action · SIE Mar 2021
State action · SOX Mar 2021
State action · SFJ Mar 2021
State action · SIF Mar 2021
State action · SOX Jan 2020
State action · SFJ Dec 2019
State action · SIE Dec 2019
State action · SOX Aug 2017

This profile is built from EPA public records for system NY4912215 — 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.