Texas Water Well Reports › Bexar County
Bexar County, Texas: well depth, water level & drilling cost
✓ 2,678 TDLR SDR records · verified 2026-06-27
How deep are wells in Bexar County, Texas?
The median drilled well depth in Bexar County is 500 ft, based on 2,675 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 380 ft and 700 ft; 90% are shallower than 893 ft. Wells drilled since 2016 have a median depth of 465 ft.
How much does it cost to drill a well in Bexar County?
Applying published per-foot rates to the local median depth of 465 ft: drilling and casing alone typically runs $11,625–$30,225; a complete system including pump, pressure tank, and hookup typically runs $27,900–$46,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Bexar County?
The median static water level is 220 ft below ground surface (middle half of wells: 122 ft–328 ft), from 2,244 measurements.
How much water do wells in Bexar County produce?
The median tested yield is 20 gpm (middle half: 12 gpm–50 gpm), from 2,209 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Bexar County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| TR Drilling & Service LLC | 192 |
| Sarris drilling | 142 |
| STEVENS DRILLING & WATER WELL SERVICE | 63 |
| Underground Water Resources, LLC | 54 |
| American Water Well Services Inc. | 46 |
| Spring Branch Water Well Service | 40 |
| Moy's Water Well Services | 39 |
| D K Drilling and Water Systems | 38 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Helotes (78023) — 473 wells, median 750 ft
- Elmendorf (78112) — 215 wells, median 417 ft
- 78261 — 202 wells, median 844 ft
- 78255 — 177 wells, median 700 ft
- San Antonio (78209) — 153 wells, median 420 ft
- San Antonio (78264) — 131 wells, median 460 ft
- San Antonio (78253) — 127 wells, median 460 ft
- San Antonio (78260) — 126 wells, median 600 ft
- Somerset (78069) — 107 wells, median 331 ft
- San Antonio (78212) — 67 wells, median 250 ft
- Von Ormy (78073) — 56 wells, median 378 ft
- San Antonio (78223) — 56 wells, median 315 ft
- Hedwig (78152) — 50 wells, median 200 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.