Who is actually doing the work in Sheridan County, drawn from state well logs and county rosters, and how to get quotes.
Depth is the median of 44 water wells completed in Sheridan County in the last five years. Half fell between 36 and 132 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 |
|---|---|---|---|---|
| Agri Industries Inc | 12 | 33 | 2022 | 140 ft |
| S & S Drilling | 11 | 12 | 2024 | 106 ft |
| Montana Salinity Control Association | 7 | 7 | 2024 | 28 ft |
| West Central Environmental Consultants | 5 | 5 | 2024 | 18 ft |
| Aaqua Drilling Inc | 4 | 4 | 2024 | 147 ft |
| Water Smith Inc | 3 | 3 | 2023 | 136 ft |
| Mt Bureau Of Mines & Geology | 2 | 2 | 2025 | 23 ft |
| Badger Drilling & Well Service Llc | 2 | 2 | 2025 | 106 ft |
| Dls Contracting | 0 | 16 | 2018 | 140 ft |
| Sk Geotechnical Co | 0 | 10 | 2018 | 13 ft |
See all 14 drilling companies in Sheridan 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 Sheridan County →
Septic permits in Montana are issued locally. Before anything else, call the Sheridan 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 Sheridan County, and they contact you directly. Free for landowners.
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