South Dakota Water Quality
463 water systems serving 877,082 people. 4,670 total violations on record.
Safety Grade Distribution
A
293
63%
B
30
6%
C
123
27%
D
11
2%
F
6
1%
463
Water Systems
877,082
Population Served
4,670
Total Violations
1,140
Health-Based
Most Contaminated Systems
WARD
41 served269 violations267 recent
C
ROCK RIDGE COURT
74 served69 violations68 recent
C
SOUTHBROOK ESTATES
28 served139 violations63 recent
C
PROVO AREA WATER SYSTEM
25 served101 violations48 recent
C
ROSHOLT
379 served125 violations43 recent
F
RED WILLOW COLONY
93 served50 violations42 recent
C
HENRY
256 served47 violations39 recent
C
TOLSTOY
36 served36 violations31 recent
C
MORRISTOWN
47 served42 violations24 recent
C
BUFFALO GAP
126 served86 violations23 recent
D
Cleanest Water Systems
SIOUX FALLS
216,462 served1 violations
A
RAPID CITY
72,009 served0 violations
A
BROOKINGS MUNICIPAL UTILITIES
23,377 served3 violations
A
WATERTOWN MUNICIPAL UTILITIES
23,230 served2 violations
A
WEB WATER DEVELOPMENT ASSOCIATION
20,750 served3 violations
A
YANKTON
15,411 served13 violations
A
HURON
14,263 served0 violations
A
PIERRE
14,091 served0 violations
A
MINNEHAHA COMMUNITY WATER CORP
13,435 served2 violations
A
BY WATER DISTRICT
13,320 served5 violations
A
Largest Water Systems in South Dakota
| Water System | Grade | Population | Violations |
|---|---|---|---|
| SIOUX FALLS | A | 216,462 | 1 |
| RAPID CITY | A | 72,009 | 0 |
| ABERDEEN | F | 27,989 | 14 |
| BROOKINGS MUNICIPAL UTILITIES | A | 23,377 | 3 |
| WATERTOWN MUNICIPAL UTILITIES | A | 23,230 | 2 |
| WEB WATER DEVELOPMENT ASSOCIATION | A | 20,750 | 3 |
| MITCHELL | B | 15,651 | 2 |
| YANKTON | A | 15,411 | 13 |
| HURON | A | 14,263 | 0 |
| PIERRE | A | 14,091 | 0 |
| BOX ELDER | F | 14,000 | 19 |
| MINNEHAHA COMMUNITY WATER CORP | A | 13,435 | 2 |
| BY WATER DISTRICT | A | 13,320 | 5 |
| SPEARFISH | A | 12,193 | 1 |
| MID-DAKOTA RURAL WATER | A | 11,833 | 0 |
| VERMILLION | A | 11,695 | 0 |
| RAPID VALLEY SANITARY DISTRICT | A | 11,408 | 0 |
| BRANDON | C | 11,048 | 8 |
| HARRISBURG | A | 10,297 | 0 |
| ELLSWORTH AFB | A | 9,100 | 1 |
Contaminants in South Dakota
Cities in South Dakota
SIOUX FALLS(5)RAPID CITY(44)ABERDEEN(13)WATERTOWN(2)BROOKINGS(4)MITCHELL(2)DELL RAPIDS(2)YANKTON(3)PIERRE(3)HURON(3)MILLER(7)SPEARFISH(19)BOX ELDER(1)TABOR(2)ARLINGTON(6)VERMILLION(2)BRANDON(1)HARRISBURG(1)ELLSWORTH AFB(1)BLACK HAWK(40)MILBANK(2)STURGIS(3)WINNER(2)MURDO(3)BERESFORD(2)BRITTON(7)TEA(1)LAKE ANDES(3)EGAN(4)WAKONDA(3)TORONTO(1)MADISON(1)EAGLE BUTTE(2)BELLE FOURCHE(3)PARKER(2)PIEDMONT(25)HOT SPRINGS(7)CLARK(3)DAKOTA DUNES(1)MOBRIDGE(2)HARTFORD(1)KIMBALL(2)LEAD(3)EMERY(2)CANTON(1)NORTH SIOUX CITY(1)CHAMBERLAIN(2)LENNOX(1)FLANDREAU(2)SISSETON(1)NEWELL(3)REDFIELD(2)VOLGA(1)ELK POINT(1)FORT PIERRE(1)SPRINGFIELD(1)PHILIP(2)CUSTER(1)WEBSTER(1)MARTIN(2)PARKSTON(1)WAGNER(1)GROTON(1)CROOKS(1)FREEMAN(1)SALEM(1)BALTIC(1)PLATTE(1)BATESLAND(1)GARRETSON(1)GREGORY(1)CLEAR LAKE(1)AURORA(1)GETTYSBURG(1)DEADWOOD(2)LEMMON(1)FAULKTON(4)IPSWICH(2)ORAL(1)DE SMET(1)HILL CITY(2)WHITEWOOD(2)TYNDALL(1)WORTHING(1)SCOTLAND(2)VALLEY SPRINGS(1)NEW UNDERWOOD(3)CENTERVILLE(1)WESSINGTON SPRINGS(1)MARION(1)ELKTON(2)HOWARD(1)ALCESTER(1)VIBORG(1)EUREKA(1)FORT MEADE(1)PLANKINTON(1)BISON(2)EDGEMONT(2)ESTELLINE(1)