The drilling companies that have actually completed wells within 15 miles of Sun Prairie, ranked by how many, from the well logs each company filed with the state. Sun Prairie is in Cascade County.
In the last five years, 361 wells were completed within 15 miles of Sun Prairie, by 17 different drilling companies. The most active was Aquasource Drilling Llc, with 98. The three busiest companies drilled 53 percent of them, with the rest spread across smaller outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Aquasource Drilling Llc | 98 | 2026 | 1 mi |
| Vista Geoscience | 52 | 2023 | 14 mi |
| Cascade Drilling Lp | 41 | 2025 | 10 mi |
| Aaaa Water Well Drilling Inc | 33 | 2026 | 3 mi |
| Boland Drilling | 31 | 2026 | 2 mi |
| 406 Water Wells, Llc | 26 | 2026 | 2 mi |
| Aquasource Inc Llc | 15 | 2023 | 4 mi |
| Montana Salinity Control Association | 15 | 2026 | 4 mi |
| Hl Ventures Llc | 14 | 2025 | 5 mi |
| West Central Environmental Consultants | 9 | 2025 | 13 mi |
| Pat Byrne Drilling Inc | 8 | 2026 | 4 mi |
| Western Water Wells | 6 | 2025 | 7 mi |
| Okeefe Drilling Co | 3 | 2025 | 12 mi |
| Olympus Technical Services | 3 | 2025 | 8 mi |
| Corveau Drilling | 2 | 2022 | 7 mi |
| Haz Tech Drilling Inc | 2 | 2021 | 12 mi |
| Thomas, Dean, And Hoskins, Inc. | 1 | 2025 | 9 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Sun Prairie. 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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