Coverage

All 56 Montana counties

Every county below is fully loaded: parcels, well logs, water rights, and regulatory boundaries from official Montana public records — 331,163 wells statewide. Open a county for its typical well depths and yields, or search any address from the home page.

Beaverhead5,832 wells · 76 ft Big Horn5,804 wells · 104 ft Blaine3,485 wells · 77 ft Bonner1 wells Broadwater4,345 wells · 140 ft Carbon7,382 wells · 56 ft Carter2,160 wells · 155 ft Cascade8,355 wells · 105 ft Chouteau3,287 wells · 38 ft Custer3,825 wells · 180 ft Daniels1,703 wells · 55 ft Dawson4,430 wells · 87 ft Deer Lodge3,072 wells · 60 ft Divide12 wells · 165 ft Fallon3,202 wells · 170 ft Fergus4,714 wells · 120 ft Flathead23,072 wells · 190 ft Gallatin21,424 wells · 80 ft Garfield2,661 wells · 175 ft Glacier4,609 wells · 90 ft Golden Valley1,223 wells · 90 ft Granite2,748 wells · 80 ft Hill4,841 wells · 90 ft Jefferson6,341 wells · 180 ft Judith Basin1,871 wells · 100 ft Lake8,579 wells · 180 ft Lewis And Clark18,452 wells · 103 ft Liberty2,292 wells · 38 ft Lincoln8,895 wells · 140 ft Madison7,577 wells · 100 ft Mccone2,337 wells · 112 ft Meagher1,646 wells · 100 ft Mineral2,052 wells · 117 ft Missoula16,360 wells · 100 ft Musselshell5,173 wells · 170 ft Park7,507 wells · 105 ft Petroleum1,252 wells · 150 ft Phillips3,878 wells · 70 ft Pondera2,761 wells · 38 ft Powder River6,296 wells · 170 ft Powell2,747 wells · 82 ft Prairie2,089 wells · 130 ft Ravalli23,572 wells · 70 ft Richland6,117 wells · 80 ft Roosevelt5,079 wells · 60 ft Rosebud6,718 wells · 100 ft Sanders5,360 wells · 163 ft Sheridan3,706 wells · 100 ft Silver Bow5,631 wells · 90 ft Stillwater6,757 wells · 59 ft Sweet Grass2,608 wells · 83 ft Teton4,058 wells · 30 ft Toole6,452 wells · 38 ft Treasure1,078 wells · 80 ft Valley3,767 wells · 66 ft Wheatland1,264 wells · 100 ft Wibaux1,762 wells · 125 ft Williams4 wells · 264 ft Yellowstone16,926 wells · 35 ft Yellowstone Nat Park12 wells · 34 ft

Well counts and median depths are computed from Montana Bureau of Mines and Geology GWIC records and refresh monthly. For well depth, groundwater, water rights and environmental statistics by county, community and ZIP code, see Montana water data by place.