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Water system · PWSID SD4600015

SPRING CANYON WATER COMPANY

PIEDMONT, SD · ~89 people served

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

PWSID

SD4600015

State

South Dakota

City

PIEDMONT

Population served

89

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

2

Violations on record

0

Unaddressed

2

Health-based

11

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2015. Official EPA record →

Treatment technique · EPA contaminant 0400 health-based began Feb 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1991 Resolved

Recent enforcement actions

  • State action · SOX Mar 2015
  • State action · SIA Mar 2014
  • State action · SOX Mar 1992
  • State action · SIF Sep 1991
  • State action · SIE Aug 1991
  • State action · SIE Sep 1988
  • State action · SO8 Sep 1988
  • State action · SIE Sep 1987

This profile is built from EPA public records for system SD4600015 — 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.