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Water system · PWSID SD4600192

LEMMON

LEMMON, SD · ~1,156 people served

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

PWSID

SD4600192

State

South Dakota

City

LEMMON

Population served

1,156

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

26

Violations on record

0

Unaddressed

1

Health-based

19

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2024. Official EPA record →

Monitoring · Lead & Copper Rule began Sep 2023 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2985 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 1999 Resolved

Recent enforcement actions

  • State action · SOX Dec 2024
  • State action · SIF Oct 2023
  • State action · SIE Oct 2023
  • State action · SOX Jul 2004
  • State action · SIA Jul 2004
  • State action · SOX Jun 2001
  • State action · SIF Aug 2000
  • State action · SOX Jun 2000

This profile is built from EPA public records for system SD4600192 — 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.