⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Harris County › Tomball (77377)

Tomball, TX (77377): well depth, water level & drilling cost

✓ 569 TDLR SDR records · Harris County

275 ftmedian well depth
245 ft–309 fttypical depth range
120 ftmedian static water level
40 gpmmedian yield (518 tests)

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How deep are wells in Tomball (77377), Texas?

The median drilled well depth in Tomball (77377) is 275 ft, based on 568 wells with recorded depths in the state TDLR SDR database. Half fall between 245 ft and 309 ft; 90% are shallower than 353 ft.

How much does it cost to drill a well in Tomball (77377)?

Applying published per-foot rates to the local median depth of 275 ft: drilling and casing alone typically runs $6,875–$17,875; a complete system including pump, pressure tank, and hookup typically runs $16,500–$27,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Tomball (77377)?

The median static water level is 120 ft below ground surface (middle half of wells: 100 ft–132 ft), from 552 measurements.

Drilled depth distribution

0–50 ft 4 50–100 ft 2 100–150 ft 2 150–200 ft 19 200–300 ft 356 300–400 ft 161 400–600 ft 12 600+ ft 12
Looking at a specific property in Tomball (77377)?

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Get quotes from drillers who work in Tomball (77377)

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Part of Harris 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.