Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Galveston County

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

✓ 2,836 TDLR SDR records · verified 2026-06-27

420 ftmedian well depth
150 ft–558 fttypical depth range
80 ftmedian static water level
60 gpmmedian yield (2,539 tests)

How deep are wells in Galveston County, Texas?

The median drilled well depth in Galveston County is 420 ft, based on 2,836 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 150 ft and 558 ft; 90% are shallower than 700 ft. Wells drilled since 2016 have a median depth of 425 ft.

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

Applying published per-foot rates to the local median depth of 425 ft: drilling and casing alone typically runs $10,625–$27,625; a complete system including pump, pressure tank, and hookup typically runs $25,500–$42,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Galveston County?

The median static water level is 80 ft below ground surface (middle half of wells: 40 ft–97 ft), from 2,730 measurements.

How much water do wells in Galveston County produce?

The median tested yield is 60 gpm (middle half: 30 gpm–80 gpm), from 2,539 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 2 50–100 ft 35 100–150 ft 670 150–200 ft 211 200–300 ft 110 300–400 ft 161 400–600 ft 1,074 600+ ft 573

Who drills wells in Galveston County?

Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).

DrillerWells since 2016
GWR Windmills & Water Well Services, LLC343
Environmental Service283
MEZA WATER WELL SERVICE105
ALMEDA WATER WELL SERVICE101
Davison Water Well Service96
O'Day Drilling Company Inc41
GWR Windmill & Water Well Serices, LLC21
Felder Water Well & Pump Service, LLC15

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Well records by ZIP code in Galveston County

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

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.