Who is actually doing the work in Missoula County, drawn from state well logs and county rosters, and how to get quotes.
Depth is the median of 786 water wells completed in Missoula County in the last five years. Half fell between 80 and 240 feet. Your parcel can sit well outside that range; nearby wells tell you more than any county figure.
Ranked by wells completed in the county over the last five years, from the well logs each company filed with the state. Recent work matters more than a long history.
| Company | Last 5 yrs | Last 10 yrs | Latest | Median depth |
|---|---|---|---|---|
| Western Montana Drilling Co. | 382 | 451 | 2026 | 140 ft |
| Jeromes Drilling Co | 167 | 527 | 2025 | 120 ft |
| Camp Well Drilling And Pump Service | 122 | 212 | 2026 | 138 ft |
| Okeefe Drilling Co | 41 | 120 | 2026 | 60 ft |
| Holt Services Inc | 28 | 28 | 2025 | 55 ft |
| Camp Well Drilling & Pump Supply | 27 | 119 | 2026 | 137 ft |
| Ak Drilling Inc | 20 | 24 | 2026 | 145 ft |
| Coldwater Drilling And Pumps | 18 | 39 | 2026 | 240 ft |
| Eslinger Drilling & Pump Service | 13 | 33 | 2026 | 102 ft |
| Cascade Drilling Lp | 13 | 15 | 2024 | 55 ft |
See all 39 drilling companies in Missoula County →
Source: MBMG Ground Water Information Center well logs. Counts include only logs that name a company. Companies that have not filed a log here in ten years are left off.
Working near a stream? 310 permits in Missoula County →
Lolo Wye Missoula Frenchtown Evaro Piltzville Twin Creeks Clinton Seeley Lake Potomac Condon
Missoula County does not publish its installer list online; call Missoula Public Health, Environmental Health at 406-258-4755 and ask for it. Septic permits in Montana are issued locally. Before anything else, call the Missoula County sanitarian or environmental health office and ask for a site evaluation; on raw land it belongs before you close. Our septic guide explains what they will look for.
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