Texas Water Well Reports › Karnes County
Karnes County, Texas: well depth, water level & drilling cost
✓ 2,027 TDLR SDR records · verified 2026-08-26
How deep are wells in Karnes County, Texas?
The median drilled well depth in Karnes County is 380 ft, based on 2,009 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 260 ft and 521 ft; 90% are shallower than 700 ft. Wells drilled since 2016 have a median depth of 400 ft.
How much does it cost to drill a well in Karnes County?
Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Karnes County?
The median static water level is 102 ft below ground surface (middle half of wells: 70 ft–150 ft), from 1,927 measurements.
How much water do wells in Karnes County produce?
The median tested yield is 60 gpm (middle half: 30 gpm–95 gpm), from 1,954 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Karnes County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Karnes City (78118) — 294 wells, median 500 ft
- Kenedy (78119) — 279 wells, median 320 ft
- Runge (78151) — 237 wells, median 244 ft
- Gillett (78116) — 130 wells, median 400 ft
- Hobson (78117) — 74 wells, median 363 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.