Texas Water Well Reports › Gonzales County
Gonzales County, Texas: well depth, water level & drilling cost
✓ 2,201 TDLR SDR records · verified 2026-07-30
How deep are wells in Gonzales County, Texas?
The median drilled well depth in Gonzales County is 370 ft, based on 2,200 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 260 ft and 480 ft; 90% are shallower than 597 ft. Wells drilled since 2016 have a median depth of 370 ft.
How much does it cost to drill a well in Gonzales County?
Applying published per-foot rates to the local median depth of 370 ft: drilling and casing alone typically runs $9,250–$24,050; a complete system including pump, pressure tank, and hookup typically runs $22,200–$37,000. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Gonzales County?
The median static water level is 72 ft below ground surface (middle half of wells: 49 ft–106 ft), from 2,071 measurements.
How much water do wells in Gonzales County produce?
The median tested yield is 70 gpm (middle half: 40 gpm–100 gpm), from 2,147 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Gonzales County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| Deharde Water Well Service | 174 |
| Drillink, Inc. | 152 |
| Friedel Drilling Company | 148 |
| CHANDLER DRILLING INC | 117 |
| Maresh Drilling Co. | 53 |
| WB Southern Drilling LLC | 37 |
| Lone Star Drlg & Pump Serv | 32 |
| Hazelett Drilling | 26 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Gonzales (78629) — 588 wells, median 320 ft
- Waelder (78959) — 283 wells, median 400 ft
- Nixon (78140) — 225 wells, median 390 ft
- Harwood (78632) — 162 wells, median 382 ft
- Smiley (78159) — 95 wells, median 280 ft
- Leesville (78122) — 68 wells, median 380 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.