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How Deep Are Wells in Fannin County, TX?
The median residential well in Fannin County is 63 ft deep, based on 331 completion reports filed with the Texas Water Development Board. Most fall between 45 and 280 ft; the deepest on record is 1620 ft.
That is 219 ft shallower than the Texas state-wide average of 282 ft (an n-weighted average across every Texas county with reported data). Depth depends on local geology, your own site could sit well outside Fannin County's typical range.
Source and method: Texas Water Development Board Submitted Driller's Reports database, extracted 2026-07-14. Figures include only wells recorded as residential (domestic) use, completed 2011 or later, with a reported depth between 15 and 2,000 ft (to exclude likely data-entry errors). TWDB itself notes well locations and data "are not verified by State staff and may be inaccurate," and neither TWDB nor this site independently verifies them. These are figures self-reported by licensed drillers to the state; treat this as a planning reference, not a guarantee for any specific property.
Fannin County well depth at a glance
| Metric | Value |
|---|---|
| Median depth | 63 ft |
| Typical range (10th-90th pct) | 45-280 ft |
| Full range on record | 24-1620 ft |
| Completion reports used | 331 |
| Texas state-wide average (weighted) | 282 ft |
| Estimated drilling cost at county median | $1,575-$4,095 |
Cost estimate is the county median depth (63 ft) times HomeAdvisor's national $25-$65 per-foot drilling range, cited on our cost guide. It covers drilling only, not casing, pump, or pressure tank, and it is a planning range, not a quote. Try the well cost estimator with this county's median pre-filled as a starting point.
Frequently asked
How deep is a well in Fannin County, TX?
The median residential well in Fannin County is 63 ft deep, based on 331 completion reports filed with the Texas Water Development Board. Most wells fall between 45 and 280 ft; the deepest on record is 1620 ft.
How much does it cost to drill a well in Fannin County?
Using the county's 63 ft median depth and the national $25-$65 per foot drilling range HomeAdvisor reports, a well drilled to the local median would run roughly $1,575 to $4,095 for drilling alone, before casing, pump, or pressure tank. That is a planning range, not a quote, get quotes from licensed local contractors for your property.
Who can drill a well in Fannin County, TX?
Check any contractor's current license status before hiring; requirements vary by state. See our guide on how to hire a licensed well driller, or browse listed contractors serving Texas.
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See the full Texas well depth by county table, or the guide to hiring a licensed well driller.