Oregon Well Data › Washington County
Washington County, Oregon: well depth, water level & drilling cost
✓ 18,568 OWRD records · verified 2026-09-28
Pull every recorded well near a Washington County address — $49
How deep are wells in Washington County, Oregon?
The median drilled well depth in Washington County is 170 ft, based on 14,604 wells with recorded depths in the state OWRD database. Half of all wells fall between 87 ft and 300 ft; 90% are shallower than 453 ft. Wells drilled since 2016 have a median depth of 122 ft.
How much does it cost to drill a well in Washington County?
Applying published per-foot rates to the local median depth of 122 ft: drilling and casing alone typically runs $3,050–$7,930; a complete system including pump, pressure tank, and hookup typically runs $7,320–$12,200. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Washington County?
The median static water level is 32 ft below ground surface (middle half of wells: 12 ft–85 ft), from 15,977 measurements.
How much water do wells in Washington County produce?
The median tested yield is 15 gpm (middle half: 9 gpm–30 gpm), from 12,343 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Washington County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| GLACIER DRILLING & DEWATERING | 380 |
| GRIFFIN CONTRACT DEWATERING LLC | 353 |
| ALPINE RESOURCES LLC | 323 |
| A M JANNSEN WELL DRILLING CO INC | 253 |
| SKYLES DRILLING, INC | 250 |
| SKYLES DRILLING INC | 170 |
| STEVE KASER | 163 |
| ARROW DRILLING | 151 |
See every driller with wells on record in Washington 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 Washington County.
Well records by ZIP code in Washington County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Sherwood (97140) — 2,244 wells, median 260 ft
- Tualatin (97062) — 2,209 wells, median 215 ft
- Hillsboro (97123) — 2,134 wells, median 128 ft
- Hillsboro (97124) — 1,856 wells, median 80 ft
- Gaston (97119) — 1,485 wells, median 160 ft
- Beaverton (97007) — 1,338 wells, median 225 ft
- Cornelius (97113) — 1,325 wells, median 107 ft
- North Plains (97133) — 1,168 wells, median 208 ft
- Portland (97229) — 989 wells, median 255 ft
- Beaverton (97003) — 835 wells, median 85 ft
- Portland (97224) — 718 wells, median 169 ft
- Banks (97106) — 660 wells, median 265 ft
- Forest Grove (97116) — 643 wells, median 249 ft
- Manning (97125) — 547 wells, median 132 ft
- Gales Creek (97117) — 426 wells, median 145 ft
- Buxton (97109) — 266 wells, median 145 ft
- Portland (97223) — 159 wells, median 107 ft
- Beaverton (97008) — 136 wells, median 218 ft
- Portland (97225) — 133 wells, median 230 ft
- Beaverton (97075) — 119 wells, median 118 ft
- Beaverton (97005) — 118 wells, median 40 ft
- Timber (97144) — 108 wells, median 101 ft
- Beaverton (97078) — 85 wells, median 60 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.