Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Zavala County

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

✓ 453 TDLR SDR records · verified 2026-06-27

450 ftmedian well depth
279 ft–1,000 fttypical depth range
265 ftmedian static water level
50 gpmmedian yield (349 tests)

How deep are wells in Zavala County, Texas?

The median drilled well depth in Zavala County is 450 ft, based on 451 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 279 ft and 1,000 ft; 90% are shallower than 1,620 ft. Wells drilled since 2016 have a median depth of 545 ft.

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

Applying published per-foot rates to the local median depth of 545 ft: drilling and casing alone typically runs $13,625–$35,425; a complete system including pump, pressure tank, and hookup typically runs $32,700–$54,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Zavala County?

The median static water level is 265 ft below ground surface (middle half of wells: 132 ft–342 ft), from 387 measurements.

How much water do wells in Zavala County produce?

The median tested yield is 50 gpm (middle half: 15 gpm–300 gpm), from 349 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 12 50–100 ft 18 100–150 ft 15 150–200 ft 23 200–300 ft 55 300–400 ft 69 400–600 ft 73 600+ ft 186

Who drills wells in Zavala County?

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

DrillerWells since 2016
McKinley Drilling42
Cross Country Drilling18
SPURGEON DRILLING CO.13
Dennis Drilling Company12
BULLS EYE SERVICES LLC9
Bull's Eye Services, LLC9
Artesia Drilling8
SHEPHERD DRILLING7

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Well records by ZIP code in Zavala 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.