⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Knox County

Knox County, Texas: well depth, water level & drilling cost

✓ 691 TDLR SDR records · verified 2026-06-27

57 ftmedian well depth
50 ft–66 fttypical depth range
32 ftmedian static water level
20 gpmmedian yield (649 tests)

How deep are wells in Knox County, Texas?

The median drilled well depth in Knox County is 57 ft, based on 691 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 50 ft and 66 ft; 90% are shallower than 72 ft. Wells drilled since 2016 have a median depth of 55 ft.

How much does it cost to drill a well in Knox County?

Applying published per-foot rates to the local median depth of 55 ft: drilling and casing alone typically runs $1,375–$3,575; a complete system including pump, pressure tank, and hookup typically runs $3,300–$5,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Knox County?

The median static water level is 32 ft below ground surface (middle half of wells: 24 ft–38 ft), from 647 measurements.

How much water do wells in Knox County produce?

The median tested yield is 20 gpm (middle half: 10 gpm–115 gpm), from 649 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 158 50–100 ft 527 100–150 ft 5 150–200 ft 1 200–300 ft 0 300–400 ft 0 400–600 ft 0 600+ ft 0

Who drills wells in Knox County?

Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).

DrillerWells since 2016
LEONARD DRILLING LLC181
Gillispie Drilling28
JB Drilling26
Franz S Wiebe17
E&C DRILLING CO.5
LEONARD WATER SERVICES4

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Looking at a specific property in Knox County?

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Well records by ZIP code in Knox County

Median depth, water level, and yield for each ZIP code with recorded wells.

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.