Tap water in Worthing, SD — ZIP 57077
3 public water systems serving about 12,154 people. PFAS "forever chemicals" have been detected here.
B
Good
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 57077
Lincoln County Rural Water System
PWSID SD4600304 · serves 5,965 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 6.1 ppt
South Lincoln Rural Water System
PWSID SD4600870 · serves 5,250 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Worthing
PWSID SD4600377 · serves 939 ·
groundwater
1 health-based / 2 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology