SPEARFISH VALLEY MOBILE ESTATES

SPEARFISH, SD · ~163 people served

Check your exact address → SPEARFISH overview

100

Excellent

PurityRadar safety score

PWSID

SD4600625

State

South Dakota

City

SPEARFISH

Population served

163

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

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 Dec 2024. Official EPA record →

Monitoring · Lead & Copper Rule began Feb 2024 Resolved

Treatment technique · EPA contaminant 0400 health-based began Oct 2021 Resolved

Max contaminant level (MCL) · Total coliform health-based began Dec 1998 Resolved

Max contaminant level (MCL) · Total coliform health-based began Nov 1998 Resolved

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

Monitoring & reporting · Nitrite began Jan 1993 Resolved

Recent enforcement actions

State action · SOX Dec 2024
State action · SIF Mar 2024
State action · SIE Mar 2024
State action · SOX Feb 2022
State action · SIA Oct 2021
State action · SOX Jul 1999
State action · SOX Jul 1999
State action · SFG Jan 1999

This profile is built from EPA public records for system SD4600625 — 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.