Texas Water Well Reports › Gillespie County
Gillespie County, Texas: well depth, water level & drilling cost
✓ 4,911 TDLR SDR records · verified 2026-06-27
How deep are wells in Gillespie County, Texas?
The median drilled well depth in Gillespie County is 231 ft, based on 4,909 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 164 ft and 340 ft; 90% are shallower than 495 ft. Wells drilled since 2016 have a median depth of 240 ft.
How much does it cost to drill a well in Gillespie County?
Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Gillespie County?
The median static water level is 104 ft below ground surface (middle half of wells: 60 ft–180 ft), from 4,176 measurements.
How much water do wells in Gillespie County produce?
The median tested yield is 20 gpm (middle half: 12 gpm–35 gpm), from 4,386 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Gillespie County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| L & L Drilling Co. | 530 |
| PICKENS DRILLING CO. | 264 |
| Texan Water | 257 |
| Virdell Drilling Inc. | 235 |
| Walden Drilling Inc | 209 |
| Magill Drilling & Water Well Service, LLC | 140 |
| MAP Water Well Drilling LLC | 84 |
| Bee Cave Drilling, Inc. | 78 |
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Free lookup Property report — $19Well records by ZIP code in Gillespie County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Fredericksburg (78624) — 2,384 wells, median 258 ft
- Harper (78631) — 789 wells, median 280 ft
- Stonewall (78671) — 202 wells, median 365 ft
- Willow City (78675) — 136 wells, median 218 ft
- Doss (78618) — 119 wells, median 225 ft
Method: medians computed from TDLR SDR records (water-supply wells only (domestic, irrigation, stock, public supply, industrial) — monitoring, environmental borings, test holes, injection and geothermal 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.