Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Johnson County

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

✓ 2,436 TDLR SDR records · verified 2026-06-27

440 ftmedian well depth
240 ft–660 fttypical depth range
300 ftmedian static water level
15 gpmmedian yield (2,246 tests)

How deep are wells in Johnson County, Texas?

The median drilled well depth in Johnson County is 440 ft, based on 2,436 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 240 ft and 660 ft; 90% are shallower than 1,083 ft. Wells drilled since 2016 have a median depth of 399 ft.

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

Applying published per-foot rates to the local median depth of 399 ft: drilling and casing alone typically runs $9,975–$25,935; a complete system including pump, pressure tank, and hookup typically runs $23,940–$39,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Johnson County?

The median static water level is 300 ft below ground surface (middle half of wells: 130 ft–495 ft), from 2,040 measurements.

How much water do wells in Johnson County produce?

The median tested yield is 15 gpm (middle half: 12 gpm–24 gpm), from 2,246 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 4 50–100 ft 9 100–150 ft 99 150–200 ft 163 200–300 ft 545 300–400 ft 283 400–600 ft 623 600+ ft 710

Who drills wells in Johnson County?

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

DrillerWells since 2016
mcpherson drilling149
Geyer Drilling Company, Inc.120
Lone Star Drilling98
Erwin Water Well Drilling93
POLLOCK WATER WELL88
Walden Drilling Inc74
Associated Well Services, Inc.55
AFFORDABLE WATER WELL47

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Looking at a specific property in Johnson County?

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Well records by ZIP code in Johnson 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.