⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Montgomery County › Willis (77378)

Willis, TX (77378): well depth, water level & drilling cost

✓ 822 TDLR SDR records · Montgomery County

300 ftmedian well depth
184 ft–378 fttypical depth range
125 ftmedian static water level
30 gpmmedian yield (748 tests)

How deep are wells in Willis (77378), Texas?

The median drilled well depth in Willis (77378) is 300 ft, based on 821 wells with recorded depths in the state TDLR SDR database. Half fall between 184 ft and 378 ft; 90% are shallower than 425 ft.

How much does it cost to drill a well in Willis (77378)?

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Willis (77378)?

The median static water level is 125 ft below ground surface (middle half of wells: 58 ft–185 ft), from 806 measurements.

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Drilled depth distribution

0–50 ft 0 50–100 ft 52 100–150 ft 91 150–200 ft 84 200–300 ft 176 300–400 ft 276 400–600 ft 127 600+ ft 15
Looking at a specific property in Willis (77378)?

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Part of Montgomery 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.