Minnesota Well Data › Washington County
Washington County, Minnesota: well depth, water level & drilling cost
✓ 14,420 CWI records · verified 2026-09-28
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How deep are wells in Washington County, Minnesota?
The median drilled well depth in Washington County is 180 ft, based on 13,790 wells with recorded depths in the state CWI database. Half of all wells fall between 124 ft and 250 ft; 90% are shallower than 305 ft. Wells drilled since 2016 have a median depth of 186 ft.
How much does it cost to drill a well in Washington County?
Applying published per-foot rates to the local median depth of 186 ft: drilling and casing alone typically runs $4,650–$12,090; a complete system including pump, pressure tank, and hookup typically runs $11,160–$18,600. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Washington County?
The median static water level is 66 ft below ground surface (middle half of wells: 35 ft–118 ft), from 12,036 measurements.
How much water do wells in Washington County produce?
The median tested yield is 25 gpm (middle half: 20 gpm–30 gpm), from 12,549 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Washington County?
Drillers by number of wells completed in this county since 2016, per filed well records (Minnesota County Well Index).
| Driller | Wells since 2016 |
|---|---|
| MCCULLOUGH, D | 157 |
| SEE REMARKS | 113 |
| HOKENSON, J | 78 |
| HOKENSON, J. | 53 |
| LYON, R | 41 |
| SAMPSON, D | 35 |
| LYON, R. | 27 |
| DOFFING, P. | 24 |
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Well records by ZIP code in Washington County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Forest Lake (55025) — 3,483 wells, median 124 ft
- Stillwater (55082) — 3,080 wells, median 227 ft
- Lake Elmo (55042) — 1,350 wells, median 158 ft
- Hugo (55038) — 1,075 wells, median 126 ft
- Scandia (55073) — 995 wells, median 180 ft
- Lakeland (55043) — 866 wells, median 129 ft
- Afton (55001) — 797 wells, median 238 ft
- Marine On Saint Croix (55047) — 675 wells, median 150 ft
- Saint Paul (55115) — 614 wells, median 171 ft
- Cottage Grove (55016) — 583 wells, median 240 ft
- Woodbury (55125) — 408 wells, median 213 ft
- Newport (55055) — 384 wells, median 281 ft
- Saint Paul (55129) — 260 wells, median 223 ft
- Saint Paul (55128) — 222 wells, median 145 ft
- Willernie (55090) — 202 wells, median 185 ft
- Bayport (55003) — 194 wells, median 216 ft
- Paul Park (55071) — 157 wells, median 200 ft
- Stillwater (55083) — 103 wells, median 172 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.