Oregon Well Data › Clatsop County
Clatsop County, Oregon: well depth, water level & drilling cost
✓ 1,653 OWRD records · verified 2026-09-28
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How deep are wells in Clatsop County, Oregon?
The median drilled well depth in Clatsop County is 64 ft, based on 1,147 wells with recorded depths in the state OWRD database. Half of all wells fall between 25 ft and 120 ft; 90% are shallower than 205 ft. Wells drilled since 2016 have a median depth of 40 ft.
How much does it cost to drill a well in Clatsop County?
Applying published per-foot rates to the local median depth of 40 ft: drilling and casing alone typically runs $1,000–$2,600; a complete system including pump, pressure tank, and hookup typically runs $2,400–$4,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Clatsop County?
The median static water level is 12 ft below ground surface (middle half of wells: 6 ft–27 ft), from 1,092 measurements.
How much water do wells in Clatsop County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–24 gpm), from 768 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Clatsop County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
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Well records by ZIP code in Clatsop County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Astoria (97103) — 594 wells, median 29 ft
- Warrenton (97146) — 230 wells, median 63 ft
- Seaside (97138) — 153 wells, median 70 ft
- Cannon Beach (97110) — 127 wells, median 100 ft
- Hammond (97121) — 105 wells, median 30 ft
- Tolovana Park (97145) — 58 wells, median 87 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.