Who is actually doing the work in Lake County, drawn from state well logs and county rosters, and how to get quotes.
Depth is the median of 774 water wells completed in Lake County in the last five years. Half fell between 143 and 420 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 |
|---|---|---|---|---|
| Ace Drilling | 311 | 373 | 2026 | 280 ft |
| Oh Well Drilling And Pump | 193 | 296 | 2026 | 279 ft |
| Allwest Drilling Inc | 93 | 194 | 2025 | 300 ft |
| Coldwater Drilling And Pumps | 59 | 81 | 2026 | 240 ft |
| Billmayer Drilling | 34 | 64 | 2026 | 156 ft |
| Jeromes Drilling Co | 34 | 59 | 2025 | 140 ft |
| West Central Environmental Consultants | 31 | 33 | 2025 | 15 ft |
| Rm Drilling And Well Services | 25 | 25 | 2026 | 152 ft |
| Camp Well Drilling And Pump Service | 16 | 29 | 2026 | 152 ft |
| Okeefe Drilling Co | 14 | 32 | 2025 | 140 ft |
See all 27 drilling companies in Lake 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 Lake County →
Rollins Bear Dance Lindisfarne Lake Mary Ronan Finley Point Elmo Polson Pablo Ronan Kicking Horse Charlo Arlee St. Ignatius Swan Lake
Septic permits in Montana are issued locally. Before anything else, call the Lake 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 Lake County, and they contact you directly. Free for landowners.
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