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Water system · PWSID SD4600417

WALL

WALL, SD · ~699 people served

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

PWSID

SD4600417

State

South Dakota

City

WALL

Population served

699

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

Latest detections from EPA’s UCMR5 monitoring (through Nov 2024). Levels in parts per trillion (ppt).

Lithium

73,700 ppt

limit —

No federal limit

Violations & enforcement

26

Violations on record

0

Unaddressed

3

Health-based

76

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2007. Official EPA record →

Monitoring & reporting · EPA contaminant 2380 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2985 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2989 began Jan 2006 Resolved

Recent enforcement actions

  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007
  • State action · SIF May 2007

This profile is built from EPA public records for system SD4600417 — 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.