Texas Water Well Reports › Grayson County
Grayson County, Texas: well depth, water level & drilling cost
✓ 1,069 TDLR SDR records · verified 2026-06-27
How deep are wells in Grayson County, Texas?
The median drilled well depth in Grayson County is 360 ft, based on 1,069 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 260 ft and 497 ft; 90% are shallower than 800 ft. Wells drilled since 2016 have a median depth of 345 ft.
How much does it cost to drill a well in Grayson County?
Applying published per-foot rates to the local median depth of 345 ft: drilling and casing alone typically runs $8,625–$22,425; a complete system including pump, pressure tank, and hookup typically runs $20,700–$34,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Grayson County?
The median static water level is 150 ft below ground surface (middle half of wells: 90 ft–260 ft), from 824 measurements.
How much water do wells in Grayson County produce?
The median tested yield is 15 gpm (middle half: 10 gpm–23 gpm), from 931 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Grayson County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| FAULKNER & SON | 139 |
| A.L. Moser Drilling, Inc. | 54 |
| Axis Drilling | 45 |
| Bassett Drilling | 32 |
| Erwin Water Well Drilling | 27 |
| Double D Drilling | 26 |
| THE MCAFEE COMPANY | 12 |
| Texoma Drilling LLC Mike Bowen | 12 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Pottsboro (75076) — 254 wells, median 300 ft
- Whitesboro (76273) — 158 wells, median 320 ft
- Denison (75020) — 142 wells, median 365 ft
- Sherman (75092) — 99 wells, median 420 ft
- Bells (75414) — 62 wells, median 398 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.