Texas Water Well Reports › Washington County
Washington County, Texas: well depth, water level & drilling cost
✓ 4,326 TDLR SDR records · verified 2026-09-22
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How deep are wells in Washington County, Texas?
The median drilled well depth in Washington County is 245 ft, based on 4,322 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 188 ft and 324 ft; 90% are shallower than 450 ft. Wells drilled since 2016 have a median depth of 245 ft.
How much does it cost to drill a well in Washington County?
Applying published per-foot rates to the local median depth of 245 ft: drilling and casing alone typically runs $6,125–$15,925; a complete system including pump, pressure tank, and hookup typically runs $14,700–$24,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Washington County?
The median static water level is 95 ft below ground surface (middle half of wells: 67 ft–124 ft), from 4,245 measurements.
How much water do wells in Washington County produce?
The median tested yield is 40 gpm (middle half: 25 gpm–60 gpm), from 4,206 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Washington County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| WASHINGTON CO WATER WELL DRILLING | 1,243 |
| Cobra Water Well Drilling, LLC. | 246 |
| Harvey's Water Wells, Inc. | 244 |
| J&S WATER WELLS | 130 |
| Ricky Bonds Water Wells | 63 |
| Texas Southern Drilling | 30 |
| Main Stream Environmental | 21 |
| HURST WATER WELLS | 13 |
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Well records by ZIP code in Washington County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Brenham (77833) — 2,043 wells, median 245 ft
- Chappell Hill (77426) — 696 wells, median 235 ft
- Burton (77835) — 679 wells, median 275 ft
- Washington (77880) — 540 wells, median 236 ft
- Carmine (78932) — 332 wells, median 261 ft
- Brenham (77834) — 99 wells, median 205 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.