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Water system · PWSID SD4600227

NORTHVILLE

NORTHVILLE, SD · ~143 people served

Check your exact address → NORTHVILLE overview
100
Excellent
PurityRadar safety score

PWSID

SD4600227

State

South Dakota

City

NORTHVILLE

Population served

143

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

11

Violations on record

0

Unaddressed

4

Health-based

35

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved
Treatment technique · EPA contaminant 0400 health-based began Feb 2019 Resolved
Other began May 2013 Resolved
Other · EPA contaminant 7000 began Jul 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1999 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1994 Resolved

Recent enforcement actions

  • State action · SOX Aug 2021
  • State action · SIF Apr 2021
  • State action · SIE Oct 2020
  • State action · SOX Mar 2019
  • State action · SIA Mar 2019
  • State action · SOX Apr 2014
  • State action · SO6 Jan 2014
  • State action · SOX Jul 2005

This profile is built from EPA public records for system SD4600227 — 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.