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/

✓ 2,718 TDLR SDR records · verified 2026-10-19

500 ftmedian well depth

380 ft–700 fttypical depth range

220 ftmedian static water level

20 gpmmedian yield (2,242 tests)

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How deep are wells in Bexar County, Texas?

The median drilled well depth in Bexar County is 500 ft, based on 2,715 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 462 ft.

How much does it cost to drill a well in Bexar County?

Applying published per-foot rates to the local median depth of 462 ft: drilling and casing alone typically runs $11,550–$30,030; a complete system including pump, pressure tank, and hookup typically runs $27,720–$46,200. 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: 121 ft–327 ft), from 2,277 measurements.

How much water do wells in Bexar County produce?

The median tested yield is 20 gpm (middle half: 12 gpm–50 gpm), from 2,242 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 24 50–100 ft 52 100–150 ft 57 150–200 ft 80 200–300 ft 212 300–400 ft 313 400–600 ft 976 600+ ft 1,001

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	198
Sarris drilling	153
STEVENS DRILLING & WATER WELL SERVICE	65
Underground Water Resources, LLC	54
American Water Well Services Inc.	46
Spring Branch Water Well Service	41
Moy's Water Well Services	39
HERBOLD DRILLING	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) — 491 wells, median 760 ft
Elmendorf (78112) — 243 wells, median 405 ft
78261 — 228 wells, median 820 ft
78255 — 223 wells, median 687 ft
San Antonio (78209) — 169 wells, median 420 ft
San Antonio (78260) — 163 wells, median 600 ft
San Antonio (78264) — 152 wells, median 445 ft
San Antonio (78253) — 148 wells, median 460 ft
Somerset (78069) — 126 wells, median 328 ft
Hedwig (78152) — 84 wells, median 200 ft
San Antonio (78212) — 68 wells, median 250 ft
Von Ormy (78073) — 58 wells, median 378 ft
San Antonio (78223) — 57 wells, median 310 ft
San Antonio (78263) — 51 wells, median 305 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.