MN · wells & permits
Water wells in Minnesota
Real drilling records, county depth medians, active contractors, and exactly what it takes to pull a well permit in Minnesota.
The permit, in plain language
MDH Well Management
Minn. Stat. 103I; Minn. R. 4725
- Instrument
- notification
- Fee
- $325 (eff. 2025-07-01)
- Who files
- Licensed driller must file
- Timeline
- Work may start once notification+fee received
Notification $325; sealing $125
Before the rig arrives
- Confirm parcel allows a private well (vs required public water connection).
- Select a licensed well contractor; obtain owner authorization as required.
- File notification online via the authority portal (deep-link below).
- Do not drill until authorization is issued (or notification accepted, per regime).
After drilling: Well & Boring Record + water tests within 30 days → MDH Well Management
Forms: MN well application
WellMap prepares estimate-backed quote packets and dual-party approvals. It does not issue permits and never auto-submits to government systems. The licensed driller (and/or owner where required by law) is the submitter of record. Verified 2026-07-14.
Top drillers on record
No contractor statistics for Minnesota yet — several states publish drilling records without contractor names, and a few aren't in bulk form at all. See data & methodology.
County by county
Depth statistics across Minnesota
Medians from wells with verified total depth. Click a county for its permit authority, fee and filing channel.
| County | Wells | With depth | Median | p10–p90 |
|---|---|---|---|---|
| Kittson | 34,260 | 34,001 | 125 ft | 31–397 ft |
| Anoka | 30,984 | 30,689 | 123 ft | 62–223 ft |
| Clay | 23,405 | 22,939 | 142 ft | 50–275 ft |
| Cook | 20,069 | 19,160 | 107 ft | 51–289 ft |
| Koochiching | 16,558 | 16,503 | 90 ft | 54–198 ft |
| Washington | 15,014 | 13,572 | 171 ft | 75–300 ft |
| Otter Tail | 14,393 | 14,349 | 89 ft | 53–190 ft |
| Big Stone | 13,524 | 13,463 | 70 ft | 50–148 ft |
| Carver | 12,847 | 12,747 | 215 ft | 51–360 ft |
| Beltrami | 11,977 | 11,932 | 90 ft | 47–224 ft |
| Wright | 11,197 | 11,161 | 112 ft | 65–200 ft |
| Crow Wing | 11,163 | 11,098 | 80 ft | 54–197 ft |
| Ramsey | 9,063 | 8,578 | 115 ft | 20–240 ft |
| Aitkin | 8,680 | 8,672 | 102 ft | 50–258 ft |
| Houston | 8,378 | 6,993 | 270 ft | 31–500 ft |
| Blue Earth | 7,948 | 7,937 | 130 ft | 65–235 ft |
| Cass | 7,546 | 7,528 | 96 ft | 52–187 ft |
| Clearwater | 7,380 | 7,318 | 70 ft | 47–145 ft |
| Kandiyohi | 7,160 | 7,128 | 105 ft | 44–310 ft |
| Lac qui Parle | 7,058 | 6,948 | 71 ft | 35–161 ft |
| Goodhue | 6,842 | 6,784 | 73 ft | 39–154 ft |
| Scott | 6,797 | 6,758 | 220 ft | 118–360 ft |
| Isanti | 6,523 | 6,471 | 107 ft | 60–194 ft |
| Freeborn | 6,001 | 5,970 | 140 ft | 55–252 ft |
| Brown | 5,165 | 3,858 | 115 ft | 40–210 ft |
| Dodge | 4,594 | 3,492 | 125 ft | 40–360 ft |
| Lake of the Woods | 4,206 | 4,150 | 80 ft | 41–170 ft |
| Lake | 4,190 | 4,025 | 180 ft | 41–1918 ft |
| Faribault | 3,873 | 3,826 | 140 ft | 81–270 ft |
| Le Sueur | 3,845 | 3,797 | 220 ft | 65–400 ft |
| Benton | 3,691 | 3,656 | 99 ft | 42–284 ft |
| Becker | 3,633 | 3,608 | 72 ft | 40–127 ft |
| Pine | 3,554 | 3,515 | 91 ft | 50–202 ft |
| Polk | 3,548 | 3,519 | 105 ft | 20–253 ft |
| Chippewa | 3,341 | 3,261 | 230 ft | 50–525 ft |
| Cottonwood | 3,337 | 3,321 | 87 ft | 51–144 ft |
| Nicollet | 2,886 | 1,591 | 247 ft | 108–408 ft |
| Grant | 2,845 | 2,834 | 116 ft | 37–256 ft |
| Mille Lacs | 2,844 | 2,831 | 69 ft | 31–130 ft |
| Lyon | 2,517 | 2,508 | 119 ft | 20–339 ft |
| McLeod | 2,367 | 2,281 | 217 ft | 84–578 ft |
| Wadena | 2,334 | 2,330 | 67 ft | 31–160 ft |
| Mower | 2,312 | 1,382 | 155 ft | 20–363 ft |
| Rice | 2,294 | 2,232 | 218 ft | 94–360 ft |
| Redwood | 2,184 | 2,169 | 102 ft | 28–232 ft |
| Kanabec | 2,180 | 2,160 | 148 ft | 40–331 ft |
| Swift | 2,160 | 2,131 | 100 ft | 30–220 ft |
| Itasca | 2,141 | 2,124 | 88 ft | 35–187 ft |
| Martin | 2,056 | 2,025 | 153 ft | 36–280 ft |
| Fillmore | 2,017 | 885 | 136 ft | 16–308 ft |
| Jackson | 1,866 | 1,762 | 170 ft | 42–397 ft |
| Chisago | 1,625 | 1,547 | 303 ft | 118–440 ft |
| Sibley | 1,618 | 1,612 | 229 ft | 121–394 ft |
| Carlton | 1,515 | 978 | 90 ft | 17–284 ft |
| Mahnomen | 1,514 | 1,484 | 110 ft | 21–224 ft |
| Lincoln | 1,474 | 1,471 | 206 ft | 75–385 ft |
| Hubbard | 1,454 | 1,447 | 172 ft | 50–295 ft |
| Hennepin | 1,332 | 1,317 | 125 ft | 16–435 ft |
| Steele | 1,282 | 1,274 | 164 ft | 18–282 ft |
| Dakota | 1,247 | 1,230 | 136 ft | 55–240 ft |