WOODLAND HILLS SANITARY DISTRICT

BLACK HAWK, SD · ~255 people served

Check your exact address → BLACK HAWK overview

100

Excellent

PurityRadar safety score

PWSID

SD4600042

State

South Dakota

City

BLACK HAWK

Population served

255

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2000. Official EPA record →

Other · EPA contaminant 7000 began Jul 2000 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved

Monitoring & reporting · EPA contaminant 2380 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2976 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2981 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2987 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2992 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2964 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2378 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2985 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2955 began Jan 1996 Resolved

Monitoring & reporting · EPA contaminant 2977 began Jan 1996 Resolved

Recent enforcement actions

State action · SOX Jul 2000
State action · SIA Jul 2000
State action · SOX Jul 1997
State action · SOX Mar 1997
State action · SFG Mar 1997
State action · SIE Feb 1997
State action · SIE Jan 1997
State action · SOX Jan 1997

This profile is built from EPA public records for system SD4600042 — 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.