PWSID
SD4600148
State
South Dakota
City
HARRISBURG
Population served
10,297
Primary source
GWP
Score history
No change since tracking began Jun 18, 2026.
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 Sep 2023). Levels in parts per trillion (ppt).
Lithium
53,000 ppt
limit —
PFBA
5.5 ppt
limit —
Violations & enforcement
5
Violations on record
0
Unaddressed
0
Health-based
10
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement May 1996. Official EPA record →
Recent enforcement actions
- State action · SOX May 1996
- State action · SIF Apr 1996
- State action · SIE Apr 1996
- State action · SOX Feb 1996
- State action · SO6 Sep 1995
- State action · SO6 Jan 1995
- State action · SIF May 1994
- State action · SIE May 1994
This profile is built from EPA public records for system SD4600148 — 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.