LETCHER

LETCHER, SD · ~159 people served

Check your exact address → LETCHER overview

100

Excellent

PurityRadar safety score

PWSID

SD4600196

State

South Dakota

City

LETCHER

Population served

159

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 Sep 2017. Official EPA record →

Treatment technique · EPA contaminant 0400 health-based began Feb 2017 Resolved

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

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

Other · EPA contaminant 7500 began Mar 2016 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jul 2015 Resolved

Monitoring & reporting · Total coliform began Jul 2015 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2015 Resolved

Monitoring & reporting · Total coliform began Feb 2015 Resolved

Treatment technique · EPA contaminant 0400 health-based began Feb 2014 Resolved

Monitoring & reporting · Total coliform began Jul 2001 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1996 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1996 Resolved

Recent enforcement actions

State action · SOX Sep 2017
State action · SOX Sep 2017
State action · SOX Mar 2017
State action · SIA Mar 2017
State action · SIE Oct 2016
State action · SIE Oct 2016
State action · SIF Jun 2016
State action · SOX Jun 2016

This profile is built from EPA public records for system SD4600196 — 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.