Texas Water Well Reports › Bexar County

Bexar County, Texas: well depth, water level & drilling cost

Name: Bexar County, Texas water well statistics
Creator: Texas Water Well Reports
License: https://creativecommons.org/licenses/by/4.0/

✓ 2,693 TDLR SDR records · verified 2026-07-30

500 ftmedian well depth

380 ft–700 fttypical depth range

220 ftmedian static water level

20 gpmmedian yield (2,223 tests)

How deep are wells in Bexar County, Texas?

The median drilled well depth in Bexar County is 500 ft, based on 2,690 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 890 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.

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What is the static water level in Bexar County?

The median static water level is 220 ft below ground surface (middle half of wells: 121 ft–328 ft), from 2,258 measurements.

How much water do wells in Bexar County produce?

The median tested yield is 20 gpm (middle half: 12 gpm–50 gpm), from 2,223 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 24 50–100 ft 52 100–150 ft 56 150–200 ft 77 200–300 ft 208 300–400 ft 309 400–600 ft 967 600+ ft 997

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	194
Sarris drilling	146
STEVENS DRILLING & WATER WELL SERVICE	65
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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Well records by ZIP code in Bexar County

Median depth, water level, and yield for each ZIP code with recorded wells.

Helotes (78023) — 475 wells, median 750 ft
Elmendorf (78112) — 215 wells, median 417 ft
78261 — 202 wells, median 844 ft
78255 — 180 wells, median 700 ft
San Antonio (78209) — 157 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
San Antonio (78223) — 57 wells, median 310 ft
Von Ormy (78073) — 56 wells, median 378 ft
Hedwig (78152) — 52 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.