💧 ZIP Water Report

Tap water in Flandreau, SD — ZIP 57028

3 public water systems serving about 8,279 people.

B
Good

Water systems serving 57028

Big Sioux Community Water System
PWSID SD4600429 · serves 5,800 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Flandreau
PWSID SD4600127 · serves 2,372 · groundwater
1 health-based / 2 total violations (5 yrs)
B
Pleasant Valley Colony
PWSID SD4602086 · serves 107 · groundwater
0 health-based / 0 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology