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Water system · PWSID 084690466

AMERICAN HORSE SCHOOL

ALLEN, SD · ~400 people served

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

PWSID

084690466

State

South Dakota

City

ALLEN

Population served

400

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

74

Violations on record

0

Unaddressed

2

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2025. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2025 Resolved
Monitoring · Lead & Copper Rule began Jun 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2016 Resolved
Monitoring & reporting · Total coliform began Aug 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2011 Resolved
Monitoring & reporting · Nitrate began Jan 2010 Resolved
Other · EPA contaminant 7000 began Jul 2008 Resolved
Monitoring & reporting · Total coliform began Dec 2007 Resolved
Other · EPA contaminant 7000 began Oct 2007 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SOX Jul 2024
  • State action · SOX Jan 2022
  • State action · SOX Jun 2017
  • State action · SOX Sep 2011
  • State action · SOX Aug 2011
  • State action · SIA Mar 2011
  • State action · SOX Jun 2010

This profile is built from EPA public records for system 084690466 — 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.