The drilling companies that have actually completed wells within 15 miles of St. Mary, ranked by how many, from the well logs each company filed with the state. St. Mary is in Glacier County.
In the last five years, 50 wells were completed within 15 miles of St. Mary, by 6 different drilling companies. The most active was Aquasource Drilling Llc, with 28. The three busiest companies drilled 82 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Aquasource Drilling Llc | 28 | 2025 | 0 mi |
| Hl Ventures Llc | 7 | 2022 | 9 mi |
| Aquasource Inc Llc | 6 | 2022 | 1 mi |
| 406 Water Wells, Llc | 5 | 2026 | 6 mi |
| Evensix Inc. Dba Allwest Drilling | 3 | 2026 | 0 mi |
| Boland Drilling | 1 | 2023 | 13 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of St. Mary. Only logs that name a company are ranked. This is a count of public records, not a recommendation; see how to check a driller before you hire. For depth, yield and water level near a specific property, see Montana Water Report.
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