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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WILD TURKEY ESTATES III
SD4602283 · 24 served
WILDCAT VALLEY
SD4600907 · 27 served
WILDWOOD WATER ASSOCIATION
SD4600872 · 80 served
WILHELM COURT
SD4602147 · 25 served
WILLOW LAKE
SD4600370 · 255 served
WILMOT
SD4600371 · 432 served
WINDMILL RESTAURANT
SD4600886 · 1,001 served
WINFRED WATER DISTRICT INC
SD4600372 · 60 served
WINNER
SD4600373 · 2,921 served
WINNER HOUSING
084690526 · 176 served
WITTEN
SD4600374 · 110 served
WOLF CREEK COLONY
SD4602021 · 123 served
WOLF CREEK SCHOOL
084690538 · 1,450 served
WOLF CREEK SCHOOL
SD4600935 · 780 served
WOLF CREEK WATER SYSTEM
084690483 · 65 served
WOLSEY
SD4600375 · 459 served
WONDERLAND HOMES
SD4600421 · 750 served
WOOD
SD4600924 · 88 served
WOOD WATER SYSTEM
084690496 · 61 served
WOODLAND HILLS SANITARY DISTRICT
SD4600042 · 255 served
WOONSOCKET
SD4600376 · 618 served
WORTHING
SD4600377 · 939 served
WOUNDED KNEE DISTRICT SCHOOL
084690467 · 280 served
WOUNDED KNEE WATER SYSTEM
084690478 · 255 served
WR/LJ - CITY OF RELIANCE
SD4600279 · 206 served
WR/LJ - CREIGHTON PROJECT
SD4602156 · 1,170 served
WR/LJ - KADOKA PROJECT
SD4602168 · 237 served
WR/LJ - LOWER BRULE
SD4602193 · 471 served
WR/LJ - MELLETTE EAST
SD4602254 · 108 served
WR/LJ - MELLETTE WEST PROJECT
SD4602208 · 110 served
WR/LJ - MNI WICONI
SD4602223 · 4,720 served
WR/LJ - NORTH STANLEY COUNTY
SD4602224 · 2,492 served
YALE
SD4600378 · 128 served
YANKTON
SD4600423 · 15,411 served
YANKTON SIOUX HOUSING AUTH
SD4690485 · 156 served
YANKTON SIOUX HOUSING AUTH
SD4690486 · 145 served
YANKTON SIOUX TRIBE
084690487 · 320 served
YANKTON SIOUX TRIBE
SD4690487 · 320 served
YESWAY STORE #1192
SD4602385 · 200 served
YMCA OF THE BLACK HILLS
SD4600903 · 250 served
ZELL WATER COMPANY
SD4600424 · 42 served