South Dakota Water Quality
Water hardness and quality data for 11 cities in South Dakota, USA.
State average
375mg/L
21.9 gpg
Hardness level
🔴 Very Hard
2 lab-verified
Cities
11
11 with data
Sioux Falls
Pop. 171,544
120–179 mg/Lreservoir
PFAS: 0 ppt
Full report →Rapid City
Pop. 73,569
180+ mg/Lreservoir
PFAS: 9.7 ppt
Full report →Aberdeen
Pop. 28,102
180+ mg/Lreservoir
PFAS: 22.1 ppt
Full report →Brookings
Pop. 23,657
180+ mg/Lgroundwater
PFAS: 0 ppt
Full report →Huron
Pop. 13,313
180+ mg/Lreservoir
PFAS: 0 ppt
Full report →Mitchell
Pop. 15,669
581.08 mg/Lreservoir
PFAS: 0 ppt
Full report →Pierre
Pop. 14,091
180+ mg/Lreservoir
PFAS: 0 ppt
Full report →Spearfish
Pop. 11,283
180+ mg/Lgroundwater
PFAS: 0 ppt
Full report →Vermillion
Pop. 10,738
180+ mg/Lgroundwater
PFAS: 0 ppt
Full report →Watertown
Pop. 22,073
120–179 mg/Lgroundwater
PFAS: 0 ppt
Full report →Yankton
Pop. 14,557
870 mg/Lgroundwater
PFAS: 0 ppt
Full report →