HOT SPRINGS

HOT SPRINGS, SD · ~3,395 people served

Check your exact address → HOT SPRINGS overview

100

Excellent

PurityRadar safety score

PWSID

SD4600163

State

South Dakota

City

HOT SPRINGS

Population served

3,395

Primary source

Groundwater

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 May 2025). Levels in parts per trillion (ppt).

Lithium

122,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 1996. Official EPA record →

Monitoring & reporting · EPA contaminant 1094 began Jan 1993 Resolved

Recent enforcement actions

State action · SOX Apr 1996
State action · SIE Jan 1996
State action · SO8 Sep 1987
State action · SIE Sep 1987
State action · SIA Sep 1982
State action · SIA Sep 1981

This profile is built from EPA public records for system SD4600163 — 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.