Texas Water Well Reports › Robertson County
Robertson County, Texas: well depth, water level & drilling cost
✓ 1,973 TDLR SDR records · verified 2026-09-22
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How deep are wells in Robertson County, Texas?
The median drilled well depth in Robertson County is 360 ft, based on 1,973 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 250 ft and 465 ft; 90% are shallower than 585 ft. Wells drilled since 2016 have a median depth of 412 ft.
How much does it cost to drill a well in Robertson County?
Applying published per-foot rates to the local median depth of 412 ft: drilling and casing alone typically runs $10,300–$26,780; a complete system including pump, pressure tank, and hookup typically runs $24,720–$41,200. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Robertson County?
The median static water level is 80 ft below ground surface (middle half of wells: 45 ft–120 ft), from 1,920 measurements.
How much water do wells in Robertson County produce?
The median tested yield is 60 gpm (middle half: 35 gpm–75 gpm), from 1,858 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Robertson County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
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Well records by ZIP code in Robertson County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Franklin (77856) — 500 wells, median 440 ft
- New Baden (77870) — 351 wells, median 300 ft
- Hearne (77859) — 290 wells, median 340 ft
- Calvert (77837) — 270 wells, median 380 ft
- Bremond (76629) — 212 wells, median 365 ft
- Wheelock (77882) — 118 wells, median 360 ft
- Mumford (77867) — 102 wells, median 220 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.