Oregon Well Data › Jefferson County
Jefferson County, Oregon: well depth, water level & drilling cost
✓ 1,901 OWRD records · verified 2026-09-28
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How deep are wells in Jefferson County, Oregon?
The median drilled well depth in Jefferson County is 319 ft, based on 1,786 wells with recorded depths in the state OWRD database. Half of all wells fall between 180 ft and 520 ft; 90% are shallower than 713 ft. Wells drilled since 2016 have a median depth of 410 ft.
How much does it cost to drill a well in Jefferson County?
Applying published per-foot rates to the local median depth of 410 ft: drilling and casing alone typically runs $10,250–$26,650; a complete system including pump, pressure tank, and hookup typically runs $24,600–$41,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Jefferson County?
The median static water level is 187 ft below ground surface (middle half of wells: 50 ft–382 ft), from 1,730 measurements.
How much water do wells in Jefferson County produce?
The median tested yield is 20 gpm (middle half: 12 gpm–30 gpm), from 1,694 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Jefferson County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| ABBAS WELL DRILLING CO | 191 |
| AIKEN WELL DRILLING INC. | 78 |
| AIKEN WELL DRILLING | 9 |
| YOUNGBERG PUMP & WELL DRILLING | 9 |
| WESTERN WATER DEVELOPMENT | 7 |
| MAPHET WELL DRILLING & PUMP | 7 |
| EDGE WELL DRILLING LLC | 5 |
| BRAD WILLIAMS DRILLING | 2 |
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Well records by ZIP code in Jefferson County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Madras (97741) — 340 wells, median 300 ft
- Culver (97734) — 287 wells, median 716 ft
- Camp Sherman (97730) — 205 wells, median 74 ft
- Warm Springs (97761) — 170 wells, median 250 ft
- Ashwood (97711) — 85 wells, median 256 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.