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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MONROE
SD4600216 · 163 served
MONTROSE
SD4600217 · 468 served
MOONSHINE GULCH SALOON
SD4601033 · 25 served
MOOSE LODGE
SD4601107 · 25 served
MORRISTOWN
SD4600218 · 47 served
MOTEL VALLEY
SD4600899 · 25 served
MOUND CITY
SD4600219 · 89 served
MOUNT VERNON
SD4600220 · 461 served
MOUNTAIN MEADOW LOT 2 WELL
SD4602083 · 25 served
MOUNTAIN MEADOW LOT 3 WELL
SD4602332 · 25 served
MOUNTAIN MEADOW RESORT
SD4600695 · 330 served
MOUNTAIN MEADOWS SUBDIVISION
SD4602302 · 24 served
MOUNTAIN PLAINS 2 HOMEOWNERS ASSOC
SD4602169 · 268 served
MOUNTAIN VIEW CAMPGROUND
SD4600696 · 25 served
MOUNTAIN VIEW ESTATES
SD4600325 · 282 served
MOUNTAIN VIEW LODGE
SD4600580 · 34 served
MOXIE S BAR
SD4600988 · 25 served
MUNDT'S RESORT
SD4600718 · 48 served
MURDO
SD4600221 · 488 served
MURRAY WATER COMPANY
SD4600323 · 270 served
MYSTIC HILLS HIDEAWAY NORTH
SD4602296 · 369 served
MYSTIC HILLS HIDEAWAY SOUTH
SD4602360 · 63 served
NATIONAL FOODS CORPORATION
SD4602155 · 40 served
NE-SO-DAK CAMP
SD4600998 · 120 served
NE-SO-DAK LODGE
SD4600997 · 75 served
NEEDLESVIEW
SD4601016 · 25 served
NEMO GUEST RANCH
SD4600535 · 65 served
NEMO GUEST RANCH-BOARDING HOUSE
SD4602117 · 12 served
NEMO GUEST RANCH-CAMPGROUND
SD4602116 · 25 served
NEW EFFINGTON
SD4600013 · 247 served
NEW EFFINGTON SIOUX WATER SYST
084690459 · 90 served
NEW ELM SPRINGS COLONY
SD4602011 · 90 served
NEW UNDERWOOD
SD4600224 · 679 served
NEWDALE COLONY
SD4602081 · 119 served
NEWELL
SD4600222 · 583 served
NEWPORT COLONY
SD4602029 · 130 served
NISLAND
SD4600225 · 206 served
NO BAD DAYS CAMPGROUND
SD4602395 · 60 served
NORRIS ELEMENTARY SCHOOL
SD4600942 · 73 served
NORRIS PEAK WATER USERS ASSOC
SD4602349 · 30 served
NORRIS/BLACKPIPE WATER SYSTEM
084690489 · 0 served
NORTH ALLEN WATER SYSTEM
084690030 · 65 served
NORTH BROOKINGS WATER AND SANITARY D
SD4602377 · 48 served
NORTH HERMOSA WUD
SD4600329 · 40 served
NORTH MARTIN WATER SYSTEM
084690029 · 78 served
NORTH SIOUX CITY
SD4600226 · 3,042 served
NORTH SIOUX CITY - MCCOOK LAKE SYSTE
SD4600177 · 1,300 served
NORTH STAR SALOON
SD4600574 · 25 served
NORTHDALE SANITARY DISTRICT
SD4600514 · 1,075 served
NORTHERN ELECTRIC
SD4601106 · 25 served