Oregon Well Data › Wasco County
Wasco County, Oregon: well depth, water level & drilling cost
✓ 3,275 OWRD records · verified 2026-09-28
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How deep are wells in Wasco County, Oregon?
The median drilled well depth in Wasco County is 310 ft, based on 3,017 wells with recorded depths in the state OWRD database. Half of all wells fall between 180 ft and 480 ft; 90% are shallower than 651 ft. Wells drilled since 2016 have a median depth of 345 ft.
How much does it cost to drill a well in Wasco County?
Applying published per-foot rates to the local median depth of 345 ft: drilling and casing alone typically runs $8,625–$22,425; a complete system including pump, pressure tank, and hookup typically runs $20,700–$34,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Wasco County?
The median static water level is 140 ft below ground surface (middle half of wells: 42 ft–285 ft), from 3,044 measurements.
How much water do wells in Wasco County produce?
The median tested yield is 20 gpm (middle half: 12 gpm–50 gpm), from 1,531 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Wasco County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| M-K WATERWELL DRILLING INC | 71 |
| M & M WELL DRILLING | 59 |
| AIKEN WELL DRILLING INC. | 23 |
| CASCADE WELL DRILLING LLC | 22 |
| ABBAS WELL DRILLING CO | 18 |
| TIBBETS WELL DRILLING | 16 |
| MK WATERWELL DRILLING INC | 13 |
| M-K DRILLING CO | 9 |
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Well records by ZIP code in Wasco County
Median depth, water level, and yield for each ZIP code with recorded wells.
- The Dalles (97058) — 1,153 wells, median 273 ft
- Mosier (97040) — 1,001 wells, median 340 ft
- Dufur (97021) — 323 wells, median 374 ft
- Tygh Valley (97063) — 296 wells, median 333 ft
- Maupin (97037) — 142 wells, median 425 ft
- Antelope (97001) — 129 wells, median 327 ft
Method: medians computed from OWRD records (water wells only (log type 'Water Well' — monitoring wells and geotechnical holes 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.