Who is actually doing the work in Madison County, drawn from state well logs and county rosters, and how to get quotes.
Depth is the median of 645 water wells completed in Madison County in the last five years. Half fell between 100 and 299 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 |
|---|---|---|---|---|
| Graham Drilling Inc | 273 | 603 | 2025 | 117 ft |
| Red Tiger Drilling | 118 | 167 | 2026 | 228 ft |
| Potts Drilling Inc | 97 | 135 | 2026 | 175 ft |
| Ak Drilling Inc | 39 | 65 | 2026 | 170 ft |
| Okeefe Drilling Co | 35 | 66 | 2026 | 73 ft |
| Old Town Drilling | 33 | 33 | 2026 | 200 ft |
| Van Dyken Drilling Inc | 32 | 57 | 2026 | 133 ft |
| Graham Drilling & Pumps | 28 | 28 | 2026 | 130 ft |
| Excel Pump And Well Inc. | 28 | 28 | 2025 | 112 ft |
| Western Water Wells | 23 | 30 | 2026 | 140 ft |
See all 24 drilling companies in Madison 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 Madison County →
Ennis Virginia City McAllister Mammoth Silver Star Harrison Norris Sheridan Pony Twin Bridges Alder
Septic permits in Montana are issued locally. Before anything else, call the Madison 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 Madison County, and they contact you directly. Free for landowners.
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