| ROOTS CHRISTIAN FELLOWSHIP | CORVALLIS, MT | 400 | 0 | — |
| HIGHWOOD MOBILE HOME PARK | GREAT FALLS, MT | 400 | 32 | — |
| YELLOWSTONE COMMERCIAL CENTER | MANHATTAN, MT | 400 | 4 | — |
| FOREST ACRES TR PK WHITEFISH | WHITEFISH, MT | 390 | 54 | — |
| GRANT CREEK WATER USERS ASSOCIATION INC | MISSOULA, MT | 380 | 87 | — |
| STILLWATER EAST BOULDER | BIG TIMBER, MT | 380 | 8 | — |
| SUNDANCE SUBDIVISION | BILLINGS, MT | 378 | 0 | — |
| STONE CREEK SUBDIVISION | BILLINGS, MT | 378 | 0 | — |
| GALLATIN GATEWAY INN | BIG SKY, MT | 375 | 76 | — |
| JETTE MEADOWS LAKE CO W AND S DIST | POLSON, MT | 375 | 157 | — |
| ST REGIS TRAVEL CENTER | ST REGIS, MT | 374 | 30 | — |
| CORNER STORE BOZEMAN | BOZEMAN, MT | 373 | 82 | — |
| GALLOUPS SLIDE INN INC | CAMERON, MT | 365 | 145 | — |
| DRY REDWATER REGIONAL WATER AUTHORITY | CIRCLE, MT | 365 | 22 | — |
| JORDAN TOWN OF | JORDAN, MT | 364 | 978 | — |
| GREAT DIVIDE SKI AREA | MARYSVILLE, MT | 364 | 26 | — |
| WEST GLACIER KOA CAMPGROUND | WEST GLACIER, MT | 360 | 56 | — |
| MT MOONLIGHT BASIN | BELGRADE, MT | 355 | 55 | — |
| HOLTER LAKE REC SITE CG NO 15 BLM | HELENA, MT | 352 | 21 | — |
| CHERRY VIEW | LAKESIDE, MT | 352 | 17 | — |
| BAINVILLE TOWN OF | BAINVILLE, MT | 350 | 606 | — |
| SADDLE MOUNTAIN CORP CLANCY | CLANCY, MT | 350 | 58 | — |
| WATER SERVICE INC TROUT CREEK | TROUT CREEK, MT | 350 | 25 | — |
| SUN PRAIRIE WATER DISTRICT | GREAT FALLS, MT | 350 | 94 | — |
| WARREN SCHOOL DISTRICT NO 1 | HELENA, MT | 350 | 321 | — |
| STILLWATER CHRISTIAN SCHOOL | KALISPELL, MT | 350 | 29 | — |
| HIDDEN LAKE YELLOWSTONE COUNTY W AND S D | BILLINGS, MT | 350 | 643 | — |
| VALLEY CHRISTIAN SCHOOL NORTH | MISSOULA, MT | 350 | 36 | — |
| FIRELIGHT MEADOWS LLC | BOZEMAN, MT | 350 | 184 | — |
| LOWER PIONEER MOUNTAIN WATER SYSTEM | BIG SKY, MT | 350 | 168 | — |
| MT AIR NATL GUARD 120TH AIR LIFT WING | GREAT FALLLS, MT | 350 | 0 | — |
| RIVERSIDE WATER AND SEWER DIST | BOZEMAN, MT | 344 | 237 | — |
| EASTGATE SCHOOL DISTRICT 09 | EAST HELENA, MT | 342 | 95 | — |
| MARTIN CITY COUNTY WATER DISTRICT | MARTIN CITY, MT | 340 | 18 | — |
| MAVERICK MOUNTAIN RESORT LLC | POLARIS, MT | 340 | 82 | — |
| DUTTON TOWN OF | DUTTON, MT | 338 | 958 | — |
| IRON HORSE HOMEOWNERS ASSOC | COLUMBIA FALLS, MT | 335 | 63 | — |
| CLANCY ELEMENTARY SCHOOL DIST 01 | CLANCY, MT | 333 | 338 | — |
| NOXON WATER DISTRICT | NOXON, MT | 330 | 17 | — |
| COMSTOCK | TAMPA, MT | 330 | 37 | — |
| PAWS UP ANGUS RANCH MAIN COMPLEX | GREENOUGH, MT | 327 | 112 | — |
| K-M SCOUT RANCH WATER SYSTEM | HILGER, MT | 325 | 0 | — |
| ZOOMONTANA INC | BILLINGS, MT | 324 | 42 | — |
| FOREST PARK WATER USERS ASSOCIATION | CLANCY, MT | 323 | 119 | — |
| ROCK CREEK RESORT RED LODGE | RED LODGE, MT | 320 | 102 | — |
| EMERALD VIEW PARK | BILLINGS, MT | 320 | 31 | — |
| LDS CHURCH CORVALLIS | CORVALLIS, MT | 320 | 29 | — |
| MOUNTAIN ACRES MB HM PK | LINCOLN, MT | 320 | 84 | — |
| CULLIGAN OF MISSOULA | MISSOULA, MT | 320 | 32 | — |
| WEST GLACIER RV | EAST GLACIER PARK, MT | 320 | 3 | — |