Texas Water Well Reports › Duval County
Duval County, Texas: well depth, water level & drilling cost
✓ 1,268 TDLR SDR records · verified 2026-11-09
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How deep are wells in Duval County, Texas?
The median drilled well depth in Duval County is 360 ft, based on 1,268 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 320 ft and 440 ft; 90% are shallower than 600 ft. Wells drilled since 2016 have a median depth of 342 ft.
How much does it cost to drill a well in Duval County?
Applying published per-foot rates to the local median depth of 342 ft: drilling and casing alone typically runs $8,550–$22,230; a complete system including pump, pressure tank, and hookup typically runs $20,520–$34,200. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Duval County?
The median static water level is 116 ft below ground surface (middle half of wells: 88 ft–162 ft), from 1,193 measurements.
How much water do wells in Duval County produce?
The median tested yield is 34 gpm (middle half: 20 gpm–50 gpm), from 1,202 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Duval County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
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Well records by ZIP code in Duval County
Median depth, water level, and yield for each ZIP code with recorded wells.
- San Diego (78384) — 351 wells, median 370 ft
- Concepcion (78349) — 256 wells, median 340 ft
- Benavides (78341) — 241 wells, median 340 ft
- Realitos (78376) — 162 wells, median 330 ft
- Freer (78357) — 138 wells, median 480 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.