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Water system · PWSID SD4600337

TYNDALL

TYNDALL, SD · ~1,012 people served

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

PWSID

SD4600337

State

South Dakota

City

TYNDALL

Population served

1,012

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

2

Violations on record

0

Unaddressed

2

Health-based

7

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 1997. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jul 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1992 Resolved

Recent enforcement actions

  • State action · SOX Feb 1997
  • State action · SIF Jul 1996
  • State action · SIE Jul 1996
  • State action · SOX Jul 1993
  • State action · SIF Dec 1992
  • State action · SIE Dec 1992
  • State action · SIA Sep 1988

This profile is built from EPA public records for system SD4600337 — 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.