Utilities in South Dakota
1,691 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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3 SONS RV PARK
SD4602392 · 339 served
38 ROAD HOUSE
SD4601073 · 25 served
4-T GUEST RANCH
SD4600666 · 60 served
76 RANCH ESTATES
SD4602259 · 40 served
A&W DRIVE INN
SD4600761 · 250 served
ABERDEEN
SD4600020 · 27,989 served
ABERDEEN LIVESTOCK CAFE
SD4600983 · 75 served
ADDIE CAMP WATER AND SEPTIC
SD4602274 · 900 served
AGAR
SD4600024 · 80 served
ALCESTER
SD4600004 · 820 served
ALEXANDRIA
SD4600062 · 649 served
ALLEN WATER SYSTEM
084690481 · 420 served
ALPENA
SD4600025 · 212 served
ALPINE OUTPOST 385
SD4602374 · 50 served
AMERICAN HORSE CREEK
084690023 · 365 served
AMERICAN HORSE SCHOOL
084690466 · 400 served
AMERICAN PINES CABINS
SD4602387 · 40 served
AMERICAN PRESIDENTS MOTEL
SD4602183 · 25 served
AMERICAN PRESIDENTS RESORT
SD4600588 · 250 served
AMHERST WATER COMPANY
SD4600030 · 40 served
ANDERSON CAFE
SD4600523 · 25 served
ANDOVER
SD4600026 · 139 served
ANDY'S ACRES
SD4600305 · 60 served
ANGOSTURA DEN
SD4602115 · 102 served
ANGOSTURA RESERVE
SD4600389 · 25 served
ANTELOPE(MISSION) WATER SYSTEM
084690506 · 1,500 served
ANTLERS AT BEAR BUTTE
SD4602317 · 24 served
APPLE SPRINGS SUBDIVISION
SD4602318 · 180 served
APPLE VALLEY MOBILE HOME PARK
SD4600879 · 40 served
AR RANCH
SD4602379 · 88 served
ARLINGTON
SD4600385 · 915 served
ARLINGTON BEACH RESORT
SD4600717 · 204 served
ARMOUR
SD4600028 · 698 served
ARTESIAN SCHOOL
SD4601083 · 143 served
ASHTON
SD4600029 · 154 served
ASTORIA
SD4600005 · 150 served
ATHLETIC CLUB OF THE BLACK HILLS
SD4602222 · 100 served
ATLANTIC MOUNTAIN RANCH FORT SITE
SD4602184 · 10 served
ATLANTIC MOUNTAIN RANCH MAIN SITE
SD4601011 · 10 served
AURORA
SD4600058 · 1,200 served
AURORA PLAINS ACADEMY
SD4600056 · 25 served
AURORA-BRULE RURAL WATER SYSTEM
SD4600621 · 2,750 served
AUTUMN MEADOWS SANITARY DISTRICT
SD4602240 · 49 served
AVENTURE ESTATES
SD4602327 · 24 served
AVON
SD4600031 · 590 served
B & B TRAILER COURT
SD4607012 · 50 served
B & E CAFE
SD4600590 · 50 served
B & J MOBILE HOME PARK
SD4602122 · 135 served
BAD NATION WATER SYSTEM
084690518 · 40 served
BAD RIVER RURAL WATER SYSTEM
SD4600869 · 195 served