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Water system · PWSID SD4600329

NORTH HERMOSA WUD

HERMOSA, SD · ~40 people served

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

PWSID

SD4600329

State

South Dakota

City

HERMOSA

Population served

40

Primary source

GWP

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

3

Violations on record

2

Unaddressed

1

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2026. Official EPA record →

Other · EPA contaminant 7500 began Dec 2025 Unaddressed
Treatment technique · EPA contaminant 0400 health-based began Feb 2025 Unaddressed
Monitoring · Lead & Copper Rule began Sep 2024 Resolved

Recent enforcement actions

  • State action · SFG Jan 2026
  • State action · SIA Feb 2025
  • State action · SOX Dec 2024
  • State action · SIE Oct 2024

This profile is built from EPA public records for system SD4600329 — 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.