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/

✓ 2,707 TDLR SDR records · verified 2026-09-22

500 ftmedian well depth

380 ft–700 fttypical depth range

220 ftmedian static water level

20 gpmmedian yield (2,233 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 2,704 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 895 ft. Wells drilled since 2016 have a median depth of 464 ft.

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

Applying published per-foot rates to the local median depth of 464 ft: drilling and casing alone typically runs $11,600–$30,160; a complete system including pump, pressure tank, and hookup typically runs $27,840–$46,400. 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 2,267 measurements.

How much water do wells in Bexar County produce?

The median tested yield is 20 gpm (middle half: 12 gpm–50 gpm), from 2,233 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 78 200–300 ft 210 300–400 ft 310 400–600 ft 972 600+ 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	194
Sarris drilling	150
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
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) — 490 wells, median 760 ft
Elmendorf (78112) — 242 wells, median 407 ft
78261 — 228 wells, median 820 ft
78255 — 223 wells, median 687 ft
San Antonio (78209) — 162 wells, median 420 ft
San Antonio (78260) — 162 wells, median 600 ft
San Antonio (78264) — 152 wells, median 445 ft
San Antonio (78253) — 148 wells, median 460 ft
Somerset (78069) — 125 wells, median 325 ft
Hedwig (78152) — 83 wells, median 200 ft
San Antonio (78212) — 68 wells, median 250 ft
Von Ormy (78073) — 57 wells, median 375 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.