Oregon Well Data › Sherman County
Sherman County, Oregon: well depth, water level & drilling cost
✓ 405 OWRD records · verified 2026-09-28
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How deep are wells in Sherman County, Oregon?
The median drilled well depth in Sherman County is 285 ft, based on 379 wells with recorded depths in the state OWRD database. Half of all wells fall between 178 ft and 415 ft; 90% are shallower than 525 ft. Wells drilled since 2016 have a median depth of 303 ft.
How much does it cost to drill a well in Sherman County?
Applying published per-foot rates to the local median depth of 285 ft: drilling and casing alone typically runs $7,125–$18,525; a complete system including pump, pressure tank, and hookup typically runs $17,100–$28,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sherman County?
The median static water level is 94 ft below ground surface (middle half of wells: 32 ft–210 ft), from 383 measurements.
How much water do wells in Sherman County produce?
The median tested yield is 30 gpm (middle half: 15 gpm–96 gpm), from 348 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Sherman County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| AIKEN WELL DRILLING INC. | 11 |
| M-K WATERWELL DRILLING INC | 6 |
| TIBBETS WELL DRILLING | 3 |
| JONES WELL DRILLING CO INC | 3 |
| ABBAS WELL DRILLING CO | 2 |
| M-K DRILLING CO | 2 |
| CASCADE WELL DRILLING LLC | 1 |
| MK WATERWELL DRILLING INC | 1 |
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Well records by ZIP code in Sherman County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Grass Valley (97029) — 134 wells, median 300 ft
- Moro (97039) — 109 wells, median 264 ft
- Wasco (97065) — 102 wells, median 273 ft
- Rufus (97050) — 80 wells, median 271 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.