Utilities in Montana
4,915 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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HAMILTON GOLF CLUB SNACK SHOP
MT0003861 · 150 served
HAMILTON HOUSE
MT0003210 · 10 served
HAMILTON MOBILE VILLAGE
MT0001079 · 53 served
HAMILTON MURDOCHS
MT0005172 · 164 served
HAMILTON PUBLIC HOUSE THE
MT0003859 · 75 served
HANGAR CAFE
MT0004381 · 30 served
HANGING A INC.
MT0000767 · 70 served
HANGMANS TREE WUA
MT0000128 · 158 served
HANSEN FAMILY CAMPGROUND & STORAGE LLC
MT0000559 · 42 served
HANSONS TRAILER COURT
MT0000095 · 40 served
HAP HAWKINS CAMPGROUND
MT0002776 · 25 served
HAP'S HIDEAWAY UNAPPROVED
MT0003017 · 25 served
HAPPY HOUR BAR AND LAKEVIEW CONDOS
MT0001341 · 58 served
HAPPY LANDEN 2 RESORT
MT0002662 · 42 served
HAPPY VALLEY MHP
MT0000377 · 55 served
HAPPY VALLEY MISSIONARY BAPTIST CHURCH
MT0004447 · 75 served
HAPPY VALLEY WATER
MT0002500 · 32 served
HAPPY VALLEY WATER DIST B KSPL
MT0001984 · 207 served
HAPPYS INN
MT0000527 · 29 served
HARDIN CITY OF
MT0000235 · 3,500 served
HARDIN EASTBOUND REST AREA
MT0001888 · 877 served
HARDIN INTERSTATE SHELL
MT0003880 · 35 served
HARDIN KOA
MT0003941 · 102 served
HARDIN KOA CISTERN
MT0002008 · 100 served
HARDIN SUBDIVISION
MT0004263 · 28 served
HARDIN WESTBOUND REST AREA
MT0002680 · 715 served
HARLEM CITY OF
MT0000239 · 820 served
HARLOWTON CITY OF
MT0000240 · 1,050 served
HAROLDS CLUB
MT0000859 · 200 served
HARRINGTON BOTTLING CO
MT0003882 · 1,001 served
HARRISON SCHOOL DISTRICT NO 23
MT0003790 · 100 served
HARRYS FLAT CAMPGROUND
MT0062362 · 50 served
HARRYS NITE CLUB
MT0003008 · 27 served
HARTLAND COLONY
MT0004072 · 73 served
HARTMANN'S TRAILER COURT
MT0000528 · 35 served
HARVEST VIEW HOA
MT0004842 · 25 served
HARVEYS MOBILE HOME PARK
MT0000453 · 98 served
HATHAWAY BAR
MT0001658 · 75 served
HAUFBRAU
MT0000655 · 300 served
HAVRE CITY OF
MT0000524 · 9,921 served
HAVRE CITY COUNTY AIRPORT
MT0002848 · 0 served
HAVRE DAY ACTIVITY CENTER
MT0001272 · 40 served
HAVRE EASTBOUND REST STOP
MT0001273 · 100 served
HAVRE WESTBOUND REST STOP
MT0001962 · 25 served
HAWARDEN SQUARE BUTTE WATER
MT0003522 · 50 served
HAWTHORN SPRINGS PROPERTY OWNERS ASSOC
MT0004516 · 165 served
HAWTHORNE SCHOOL
MT0002104 · 300 served
HAY COULEE WATER USERS ASSN
MT0001545 · 38 served
HAYLOFT
MT0002837 · 25 served
HAYS MEAT MARKET
MT0001926 · 50 served