Colorado Well Data › Douglas County
Douglas County, Colorado: well depth, water level & drilling cost
✓ 19,584 DWR records · verified 2026-10-12
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How deep are wells in Douglas County, Colorado?
The median drilled well depth in Douglas County is 360 ft, based on 13,211 wells with recorded depths in the state DWR database. Half of all wells fall between 225 ft and 544 ft; 90% are shallower than 763 ft. Wells drilled since 2016 have a median depth of 340 ft.
How much does it cost to drill a well in Douglas County?
Applying published per-foot rates to the local median depth of 340 ft: drilling and casing alone typically runs $8,500–$22,100; a complete system including pump, pressure tank, and hookup typically runs $20,400–$34,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Douglas County?
The median static water level is 185 ft below ground surface (middle half of wells: 101 ft–360 ft), from 1,327 measurements.
How much water do wells in Douglas County produce?
The median tested yield is 13 gpm (middle half: 10 gpm–15 gpm), from 7,877 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Douglas County?
Companies by number of wells permitted in this county, per well construction reports filed with the Colorado Division of Water Resources. Permits recorded without a licensed driller (owner-built, or approved by a professional engineer) are excluded.
| Driller | Wells since 2016 |
|---|---|
| Hier Drilling Co Inc | 414 |
| Hier Drilling Co. | 114 |
| Hamacher Well Works Inc | 99 |
| Kunau Drilling LLC | 98 |
| Winegar Well Service | 55 |
| Can-America Drilling, Inc. | 51 |
| Parker Drilling/Pump Service Inc. | 50 |
| Dallas D. Werner | 41 |
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Well records by ZIP code in Douglas County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Parker (80138) — 5,517 wells, median 360 ft
- Franktown (80116) — 3,405 wells, median 340 ft
- Larkspur (80118) — 1,476 wells, median 363 ft
- Littleton (80163) — 1,406 wells, median 421 ft
- Castle Rock (80109) — 1,320 wells, median 510 ft
- Castle Rock (80104) — 1,273 wells, median 503 ft
- Louviers (80131) — 1,130 wells, median 280 ft
- Parker (80134) — 963 wells, median 480 ft
- Castle Rock (80108) — 916 wells, median 518 ft
- Palmer Lake (80133) — 830 wells, median 425 ft
- Littleton (80129) — 705 wells, median 380 ft
- Sedalia (80135) — 607 wells, median 300 ft
- Lone Tree (80124) — 544 wells, median 300 ft
- Littleton (80130) — 293 wells, median 466 ft
- Littleton (80126) — 111 wells, median 350 ft
Method: medians computed from DWR records (DWR well permits, applications that were denied, withdrawn, cancelled or are still pending 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.