Oregon Well Data › Union County
Union County, Oregon: well depth, water level & drilling cost
✓ 3,826 OWRD records · verified 2026-09-28
Pull every recorded well near a Union County address — $49
How deep are wells in Union County, Oregon?
The median drilled well depth in Union County is 166 ft, based on 3,469 wells with recorded depths in the state OWRD database. Half of all wells fall between 100 ft and 300 ft; 90% are shallower than 487 ft. Wells drilled since 2016 have a median depth of 260 ft.
How much does it cost to drill a well in Union County?
Applying published per-foot rates to the local median depth of 260 ft: drilling and casing alone typically runs $6,500–$16,900; a complete system including pump, pressure tank, and hookup typically runs $15,600–$26,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Union County?
The median static water level is 24 ft below ground surface (middle half of wells: 11 ft–62 ft), from 3,576 measurements.
How much water do wells in Union County produce?
The median tested yield is 25 gpm (middle half: 15 gpm–50 gpm), from 3,293 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Union County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| EARTH & WATER WORKS | 216 |
| ELKHORN DRILLING INC | 68 |
| COURTNEY WELL DRILLING, LLC | 22 |
| ZOLLMAN'S LARRY BURD WELL DRILLING LLC | 15 |
| RIVERSIDE INC | 12 |
| STEVEN J COLEY | 8 |
| MARCIEL WELL DRILLING & PUMPS | 3 |
| CARPENTER DRILLING INC | 3 |
See every driller with wells on record in Union County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Union County.
Well records by ZIP code in Union County
Median depth, water level, and yield for each ZIP code with recorded wells.
- La Grande (97850) — 1,557 wells, median 145 ft
- Cove (97824) — 582 wells, median 250 ft
- Elgin (97827) — 424 wells, median 210 ft
- Summerville (97876) — 409 wells, median 150 ft
- Imbler (97841) — 343 wells, median 160 ft
- Union (97883) — 289 wells, median 150 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.