Who is actually doing the work in Sanders County, drawn from state well logs and county rosters, and how to get quotes.
Depth is the median of 537 water wells completed in Sanders County in the last five years. Half fell between 120 and 400 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 |
|---|---|---|---|---|
| North Star Drilling Inc | 203 | 203 | 2026 | 240 ft |
| Callison Well Drilling | 83 | 146 | 2026 | 240 ft |
| Universal Drilling | 60 | 128 | 2025 | 257 ft |
| Camp Well Drilling And Pump Service | 41 | 61 | 2024 | 240 ft |
| Ace Drilling | 37 | 50 | 2025 | 265 ft |
| Coldwater Drilling And Pumps | 33 | 52 | 2026 | 330 ft |
| Oh Well Drilling And Pump | 30 | 67 | 2026 | 290 ft |
| Olympus Technical Services | 12 | 12 | 2023 | 15 ft |
| Okeefe Drilling Co | 11 | 15 | 2025 | 93 ft |
| S & S Well Drilling, Llc | 9 | 9 | 2022 | 100 ft |
See all 30 drilling companies in Sanders 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 Sanders County →
Paradise Plains Old Agency Weeksville Trout Creek Hot Springs Noxon Thompson Falls Heron Lonepine
Septic permits in Montana are issued locally. Before anything else, call the Sanders 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.
Tell us what you need. We'll send your request to up to three contractors who work in Sanders County, and they contact you directly. Free for landowners.
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