Minnesota Well Data › Polk County
Polk County, Minnesota: well depth, water level & drilling cost
✓ 3,266 CWI records · verified 2026-09-28
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How deep are wells in Polk County, Minnesota?
The median drilled well depth in Polk County is 120 ft, based on 3,259 wells with recorded depths in the state CWI database. Half of all wells fall between 80 ft and 184 ft; 90% are shallower than 253 ft. Wells drilled since 2016 have a median depth of 107 ft.
How much does it cost to drill a well in Polk County?
Applying published per-foot rates to the local median depth of 107 ft: drilling and casing alone typically runs $2,675–$6,955; a complete system including pump, pressure tank, and hookup typically runs $6,420–$10,700. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Polk County?
The median static water level is 21 ft below ground surface (middle half of wells: 12 ft–34 ft), from 2,548 measurements.
How much water do wells in Polk County produce?
The median tested yield is 35 gpm (middle half: 20 gpm–50 gpm), from 2,835 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Polk County?
Drillers by number of wells completed in this county since 2016, per filed well records (Minnesota County Well Index).
| Driller | Wells since 2016 |
|---|---|
| ANDERSON, K | 74 |
| ANDERSON, K. | 69 |
| SIMONSON, D. | 43 |
| SIMONSON, D | 32 |
| BERG, L | 13 |
| BERG, L. | 13 |
| SEMONSORP, D | 12 |
| WESA, D. | 12 |
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Well records by ZIP code in Polk County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Mentor (56736) — 464 wells, median 106 ft
- Crookston (56716) — 429 wells, median 179 ft
- Fosston (56542) — 399 wells, median 115 ft
- Fertile (56540) — 376 wells, median 83 ft
- Erskine (56535) — 315 wells, median 100 ft
- Mcintosh (56556) — 136 wells, median 107 ft
- Gully (56646) — 129 wells, median 156 ft
- 56684 — 112 wells, median 119 ft
- Winger (56592) — 108 wells, median 119 ft
- East Grand Forks (56721) — 87 wells, median 93 ft
- Euclid (56722) — 84 wells, median 232 ft
- Beltrami (56517) — 63 wells, median 170 ft
- Climax (56523) — 60 wells, median 154 ft
Method: medians computed from CWI records (water-supply wells only (domestic, irrigation, public/community supply, commercial, industrial) — monitoring, observation, test, injection, heat-pump and environmental boreholes excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.