Texas Water Well Reports › Washington County
Washington County, Texas: well depth, water level & drilling cost
✓ 4,322 TDLR SDR records · verified 2026-08-26
How deep are wells in Washington County, Texas?
The median drilled well depth in Washington County is 245 ft, based on 4,318 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.
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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 4,241 measurements.
How much water do wells in Washington County produce?
The median tested yield is 40 gpm (middle half: 25 gpm–60 gpm), from 4,202 pump tests. A typical household needs 5–10 gpm.
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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 | 1,242 |
| Cobra Water Well Drilling, LLC. | 245 |
| Harvey's Water Wells, Inc. | 244 |
| J&S WATER WELLS | 129 |
| Ricky Bonds Water Wells | 63 |
| Texas Southern Drilling | 30 |
| Main Stream Environmental | 21 |
| HURST WATER WELLS | 13 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Brenham (77833) — 1,885 wells, median 244 ft
- Chappell Hill (77426) — 562 wells, median 240 ft
- Burton (77835) — 489 wells, median 267 ft
- Washington (77880) — 411 wells, median 230 ft
- Carmine (78932) — 213 wells, median 246 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.