⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Karnes County › Karnes City (78118)

Karnes City, TX (78118): well depth, water level & drilling cost

✓ 410 TDLR SDR records · Karnes County

480 ftmedian well depth
351 ft–600 fttypical depth range
130 ftmedian static water level
50 gpmmedian yield (382 tests)

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How deep are wells in Karnes City (78118), Texas?

The median drilled well depth in Karnes City (78118) is 480 ft, based on 406 wells with recorded depths in the state TDLR SDR database. Half fall between 351 ft and 600 ft; 90% are shallower than 808 ft.

How much does it cost to drill a well in Karnes City (78118)?

Applying published per-foot rates to the local median depth of 480 ft: drilling and casing alone typically runs $12,000–$31,200; a complete system including pump, pressure tank, and hookup typically runs $28,800–$48,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Karnes City (78118)?

The median static water level is 130 ft below ground surface (middle half of wells: 90 ft–185 ft), from 386 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 4 150–200 ft 12 200–300 ft 37 300–400 ft 83 400–600 ft 162 600+ ft 107
Looking at a specific property in Karnes City (78118)?

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Get quotes from drillers who work in Karnes City (78118)

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Part of Karnes County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.