Back Forty has 404 water wells on record in McMullen County, Texas, drawn from the Texas Water Development Board’s Submitted Driller’s Reports.
Across the 354 wells with a logged borehole depth, the typical well reaches about 400 ft, with most falling between 10 and 4,974 ft.
These figures summarize nearby historical wells; for an estimate at a specific location, drop a pin in the app. Always confirm with a licensed driller before relying on any figure for a purchase or drilling decision.
Interactive Land Map of McMullen County
Pan and zoom to explore water wells, parcels, and oil & gas activity in McMullen County. Open the full app for subsurface predictions and a depth estimate at any point.
Oil & Gas Activity in McMullen County
McMullen County has 6,877 oil & gas wells on record with the Railroad Commission of Texas — a moderate level of oil-and-gas activity (#50 of 254 counties). There’s real mineral development here without being at the center of Texas energy. Check the mineral status on any tract you’re serious about.
Counts are approximate, drawn from public RRC records, and include active and plugged wells. Not a substitute for a title or mineral search.
Groundwater & subsurface
| Wells on record | 404 |
|---|---|
| Typical well depth | ≈ 400 ft |
| Depth range | 10–4,974 ft (most wells) |
See Rural Land Intelligence for more
Data last refreshed: May 2026
Disclaimer: The figures on this page are derived from historical Texas Water Development Board driller's reports for nearby wells and are provided for general informational purposes only. Actual conditions at any specific property can differ substantially. Nothing here guarantees water availability, well depth, or subsurface conditions, and it is not professional geological, engineering, or legal advice. Always consult a licensed Texas water-well driller or other qualified professional before making any purchase, drilling, or development decision.