Texas Water Well Reports › Blanco County
Blanco County, Texas: well depth, water level & drilling cost
✓ 2,617 TDLR SDR records · verified 2026-06-27
How deep are wells in Blanco County, Texas?
The median drilled well depth in Blanco County is 398 ft, based on 2,615 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 280 ft and 484 ft; 90% are shallower than 644 ft. Wells drilled since 2016 have a median depth of 405 ft.
How much does it cost to drill a well in Blanco County?
Applying published per-foot rates to the local median depth of 405 ft: drilling and casing alone typically runs $10,125–$26,325; a complete system including pump, pressure tank, and hookup typically runs $24,300–$40,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Blanco County?
The median static water level is 145 ft below ground surface (middle half of wells: 77 ft–235 ft), from 1,634 measurements.
How much water do wells in Blanco County produce?
The median tested yield is 20 gpm (middle half: 10 gpm–43 gpm), from 2,368 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Blanco County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| L & L Drilling Co. | 320 |
| Apex Drilling, Inc. | 260 |
| Spring Branch Water Well Service | 180 |
| Centex Pump & Supply, Inc. | 158 |
| Bee Cave Drilling, Inc. | 125 |
| Associated Drilling Inc | 59 |
| Texan Water | 38 |
| Walden Drilling Inc | 30 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Johnson City (78636) — 942 wells, median 365 ft
- Blanco (78606) — 916 wells, median 417 ft
- Round Mountain (78663) — 385 wells, median 300 ft
- Hye (78635) — 88 wells, median 335 ft
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.