⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Guadalupe County › Seguin (78155)

Seguin, TX (78155): well depth, water level & drilling cost

✓ 942 TDLR SDR records · Guadalupe County

280 ftmedian well depth
120 ft–350 fttypical depth range
70 ftmedian static water level
35 gpmmedian yield (908 tests)

How deep are wells in Seguin (78155), Texas?

The median drilled well depth in Seguin (78155) is 280 ft, based on 942 wells with recorded depths in the state TDLR SDR database. Half fall between 120 ft and 350 ft; 90% are shallower than 420 ft.

How much does it cost to drill a well in Seguin (78155)?

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Seguin (78155)?

The median static water level is 70 ft below ground surface (middle half of wells: 34 ft–110 ft), from 897 measurements.

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Drilled depth distribution

0–50 ft 106 50–100 ft 122 100–150 ft 34 150–200 ft 56 200–300 ft 190 300–400 ft 300 400–600 ft 129 600+ ft 5
Looking at a specific property in Seguin (78155)?

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Part of Guadalupe 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.