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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NORTHERN HILLS INDUSTRIAL PARK
SD4602329 · 24 served
NORTHERN LIGHTS MOBILE HOME PARK
SD4602289 · 65 served
NORTHVILLE
SD4600227 · 143 served
NORTHWOOD FIRST SUBDIVISION
SD4602342 · 90 served
NPS-BADLANDS NP-WHITE RIVER VC
SD4680043 · 50 served
NPS-BADLANDS-WHITE RIVER WELLS
SD4680042 · 108 served
NPS-JEWEL CAVE NATIONAL MONUMENT
SD4680044 · 219 served
NPS-JEWELL CAVE N MON-OLD AREA
SD4680045 · 25 served
NPS-MOUNT RUSHMORE NATIONAL MEMORIAL
SD4680046 · 4,100 served
NPS-WIND CAVE NATIONAL PARK
SD4680047 · 1,404 served
NUNDA
SD4600228 · 43 served
NWR - WAUBAY
SD4680052 · 25 served
NWR-LA CREEK HEADQUARTERS AREA
SD4680048 · 23 served
NWR-LA CREEK LITTLE WHITE RIVER
SD4680049 · 15 served
NWR-SAND LAKE HEADQUARTER AREA
SD4680050 · 50 served
NWR-SAND LAKE REC AREA
SD4600057 · 25 served
NWR-SAND LAKE REC AREA
SD4608051 · 25 served
NWR-SAND LAKE REC AREA
SD4680051 · 2 served
OACOMA
SD4600229 · 386 served
OAHE ACRES
SD4607003 · 50 served
OAHE KOA CAMPGROUND
SD4600677 · 160 served
OAHE LODGE
SD4600960 · 30 served
OAHE MARINA AND RESORT
SD4602111 · 34 served
OAHE PLAINS SYSTEMS CORPORATION
SD4600619 · 257 served
OAK LANE COLONY
SD4602044 · 76 served
OAK MOUNTAIN COUNTRY ESTATES
SD4602151 · 85 served
OAK VALLEY TRAILER COURT
SD4600507 · 74 served
OAKS WATER USERS ASSOCIATION
SD4602135 · 180 served
OELRICHS
SD4600230 · 117 served
OGLALA RWS PIPELINE
084690480 · 3,562 served
OKREEK WATER SYSTEM
084690493 · 265 served
OLD AGENCY WATER SYSTEM
084690458 · 1,180 served
OLD ELM SPRINGS COLONY
SD4602012 · 52 served
OLD HOME CAMPGROUND
SD4600575 · 14 served
OLD WHITES DRIVE IN
SD4601096 · 37 served
OLDE GLORY FIREWORKS
SD4600593 · 50 served
OLDHAM
SD4600231 · 133 served
ONAKA
SD4600232 · 26 served
ONIDA
SD4600233 · 658 served
ORAL ELEMENTARY SCHOOL
SD4601098 · 47 served
ORIENT
SD4600234 · 57 served
ORLAND COLONY
SD4602186 · 95 served
ORTLEY CAFE
SD4600576 · 30 served
OST SANITATION AND MAINTENANCE
SD4690477 · 358 served
OST SANITATION AND MAINTENANCE
SD4690471 · 440 served
OST SANITATION AND MAINTENANCE
SD4690472 · 83 served
OST SANITATION AND MAINTENANCE
SD4690473 · 88 served
OST SANITATION AND MAINTENANCE
SD4690474 · 468 served
OST SANITATION AND MAINTENANCE
SD4690475 · 4,200 served
OST SANITATION AND MAINTENANCE
SD4690476 · 88 served