Texas Water Well Reports › San Patricio County
San Patricio County, Texas: well depth, water level & drilling cost
✓ 1,312 TDLR SDR records · verified 2026-07-30
How deep are wells in San Patricio County, Texas?
The median drilled well depth in San Patricio County is 180 ft, based on 1,312 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 140 ft and 250 ft; 90% are shallower than 300 ft. Wells drilled since 2016 have a median depth of 200 ft.
How much does it cost to drill a well in San Patricio County?
Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in San Patricio County?
The median static water level is 37 ft below ground surface (middle half of wells: 25 ft–50 ft), from 1,252 measurements.
How much water do wells in San Patricio County produce?
The median tested yield is 50 gpm (middle half: 30 gpm–75 gpm), from 1,068 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in San Patricio County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| CARTER WATER WELL DRILLING | 177 |
| Mikes Drilling and Pump Service | 91 |
| MARTIN WATER WELLS | 88 |
| B. T. Sikes Water Wells Inc | 57 |
| James Pawlik Water Wll Service, Inc. | 16 |
| Wild C Ranch | 10 |
| Martin Water Wells | 10 |
| 4H Drilling Company | 7 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Mathis (78368) — 506 wells, median 180 ft
- Sinton (78387) — 239 wells, median 225 ft
- Ingleside (78362) — 85 wells, median 100 ft
- Odem (78370) — 58 wells, median 224 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.