Colorado Well Data › Boulder County
Boulder County, Colorado: well depth, water level & drilling cost
✓ 19,593 DWR records · verified 2026-10-12
Pull every recorded well near a Boulder County address — $49
How deep are wells in Boulder County, Colorado?
The median drilled well depth in Boulder County is 145 ft, based on 13,698 wells with recorded depths in the state DWR database. Half of all wells fall between 30 ft and 310 ft; 90% are shallower than 500 ft. Wells drilled since 2016 have a median depth of 25 ft.
How much does it cost to drill a well in Boulder County?
Applying published per-foot rates to the local median depth of 25 ft: drilling and casing alone typically runs $625–$1,625; a complete system including pump, pressure tank, and hookup typically runs $1,500–$2,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Boulder County?
The median static water level is 20 ft below ground surface (middle half of wells: 9 ft–70 ft), from 736 measurements.
How much water do wells in Boulder County produce?
The median tested yield is 7 gpm (middle half: 5 gpm–10 gpm), from 3,910 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Boulder 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 |
|---|---|
| Ingram Drilling Inc. | 110 |
| James Drilling | 80 |
| C R Smith Drilling Inc | 55 |
| Johns Well Service | 50 |
| Kelley Dewatering And Construction Company | 22 |
| Arrow Drilling | 11 |
| Crandall Drilling & Pump Service | 6 |
| Avco Ventures Inc. | 6 |
See every driller with wells on record in Boulder 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 Boulder County.
Well records by ZIP code in Boulder County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Pinecliffe (80471) — 2,689 wells, median 300 ft
- Louisville (80027) — 1,569 wells, median 220 ft
- Boulder (80304) — 1,387 wells, median 50 ft
- Lyons (80540) — 1,352 wells, median 300 ft
- Boulder (80308) — 1,337 wells, median 281 ft
- Boulder (80307) — 1,298 wells, median 330 ft
- Allenspark (80510) — 1,080 wells, median 250 ft
- Boulder (80301) — 1,071 wells, median 25 ft
- Boulder (80303) — 1,009 wells, median 20 ft
- Hygiene (80533) — 1,007 wells, median 75 ft
- Nederland (80466) — 984 wells, median 299 ft
- Niwot (80544) — 807 wells, median 30 ft
- Jamestown (80455) — 720 wells, median 225 ft
- Boulder (80309) — 708 wells, median 19 ft
- Lafayette (80026) — 701 wells, median 71 ft
- Longmont (80502) — 545 wells, median 16 ft
- Boulder (80302) — 540 wells, median 260 ft
- Ward (80481) — 433 wells, median 243 ft
- Longmont (80501) — 412 wells, median 39 ft
- Boulder (80305) — 361 wells, median 30 ft
- Longmont (80503) — 357 wells, median 37 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.