South Dakota
It depends on the town. 45 of 50 listed water systems in South Dakota, United States are low risk (90%).
- 45Low
- 3Medium
- 2High
- 0Critical
- Aberdeen2 systems · includes medium risk
- Belle FourcheLow risk
- BeresfordLow risk
- Big Sioux CommunityLow risk
- Black Hawk UserLow risk
- Box ElderMedium risk
- BrandonLow risk
- BrittonLow risk
- BrookingsLow risk
- ByLow risk
- ClayLow risk
- Clear LakeLow risk
- Dakota DunesLow risk
- Dell Rapids2 systems · low risk
- Eagle ButteMedium risk
- Ellsworth AfbLow risk
- HarrisburgLow risk
- HartfordLow risk
- Hot SpringsLow risk
- HuronLow risk
- Kingbrook ILow risk
- Lake AndesLow risk
- MadisonLow risk
- Milbank2 systems · low risk
- MillerLow risk
- Mitchell2 systems · low risk
- MurdoLow risk
- ParkerLow risk
- PierreLow risk
- Pine Ridge3 systems · low risk
- Rapid City2 systems · low risk
- Rosebud2 systems · high risk
- Sioux Falls2 systems · low risk
- SpearfishLow risk
- SturgisLow risk
- TeaLow risk
- VermillionLow risk
- Watertown2 systems · low risk
- WinnerLow risk
- YanktonLow risk
Covers community water systems serving 3,300 people or more. The rating uses health-based violations of federal drinking-water standards in the last three years, and whether those violations have been fixed. Each system is placed at a town it serves, so positions are approximate.
Common questions
Can I drink the tap water in South Dakota, United States?
It depends on the town. 45 of 50 listed water systems in South Dakota, United States are low risk (90%).
Where do these ratings come from?
US EPA Safe Drinking Water Information System. Period covered: October 2023 to September 2026.