Texas Water Well Reports › Comal County › San Antonio (78266)
San Antonio, TX (78266): well depth, water level & drilling cost
✓ 136 TDLR SDR records · Comal County
Pull every recorded well near a San Antonio (78266) address — $49
How deep are wells in San Antonio (78266), Texas?
The median drilled well depth in San Antonio (78266) is 590 ft, based on 136 wells with recorded depths in the state TDLR SDR database. Half fall between 410 ft and 725 ft; 90% are shallower than 1,273 ft.
How much does it cost to drill a well in San Antonio (78266)?
Applying published per-foot rates to the local median depth of 590 ft: drilling and casing alone typically runs $14,750–$38,350; a complete system including pump, pressure tank, and hookup typically runs $35,400–$59,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in San Antonio (78266)?
The median static water level is 246 ft below ground surface (middle half of wells: 186 ft–316 ft), from 122 measurements.
Drilled depth distribution
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Comal County.
Part of Comal 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.