Texas Water Well Reports › Harris County
Harris County, Texas: well depth, water level & drilling cost
✓ 10,339 TDLR SDR records · verified 2026-10-19
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How deep are wells in Harris County, Texas?
The median drilled well depth in Harris County is 276 ft, based on 10,333 wells with recorded depths in the state TDLR SDR database. Half of all wells fall between 220 ft and 345 ft; 90% are shallower than 410 ft. Wells drilled since 2016 have a median depth of 278 ft.
How much does it cost to drill a well in Harris County?
Applying published per-foot rates to the local median depth of 278 ft: drilling and casing alone typically runs $6,950–$18,070; a complete system including pump, pressure tank, and hookup typically runs $16,680–$27,800. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Harris County?
The median static water level is 111 ft below ground surface (middle half of wells: 80 ft–151 ft), from 10,130 measurements.
How much water do wells in Harris County produce?
The median tested yield is 40 gpm (middle half: 20 gpm–60 gpm), from 9,250 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Harris County?
Companies by number of water wells completed in this county since 2016, per filed driller reports (SDR).
| Driller | Wells since 2016 |
|---|---|
| Scott Drilling Inc. | 370 |
| Ricky Bonds Water Wells | 366 |
| A & L Pump & Well Service | 192 |
| R&D Water Wells | 170 |
| Tolers Water Well Service | 165 |
| Raymond Services | 143 |
| Bussell & sons LLC | 120 |
| AQUA STAR LLC | 82 |
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Well records by ZIP code in Harris County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Crosby (77532) — 1,113 wells, median 260 ft
- Hockley (77447) — 1,037 wells, median 245 ft
- Cypress (77429) — 647 wells, median 292 ft
- Tomball (77377) — 570 wells, median 275 ft
- Tomball (77375) — 554 wells, median 280 ft
- Huffman (77336) — 548 wells, median 245 ft
- Katy (77493) — 483 wells, median 265 ft
- 77339 — 376 wells, median 120 ft
- Houston (77044) — 315 wells, median 240 ft
- Baytown (77521) — 301 wells, median 342 ft
- Houston (77039) — 265 wells, median 320 ft
- 77037 — 239 wells, median 57 ft
- Spring (77389) — 227 wells, median 245 ft
- Houston (77064) — 220 wells, median 260 ft
- Cypress (77433) — 218 wells, median 300 ft
- 77086 — 182 wells, median 360 ft
- Spring (77388) — 180 wells, median 234 ft
- 77345 — 175 wells, median 120 ft
- Houston (77049) — 167 wells, median 262 ft
- 77093 — 166 wells, median 345 ft
- Spring (77373) — 155 wells, median 275 ft
- Spring (77379) — 150 wells, median 260 ft
- Houston (77032) — 150 wells, median 245 ft
- Houston (77041) — 143 wells, median 335 ft
- Houston (77060) — 141 wells, median 55 ft
- Highlands (77562) — 137 wells, median 282 ft
- Katy (77449) — 124 wells, median 316 ft
- Houston (77084) — 104 wells, median 305 ft
- Humble (77338) — 97 wells, median 315 ft
- Houston (77065) — 95 wells, median 280 ft
- Houston (77047) — 92 wells, median 345 ft
- Humble (77396) — 91 wells, median 310 ft
- Houston (77038) — 88 wells, median 385 ft
- Houston (77070) — 77 wells, median 300 ft
- Houston (77066) — 76 wells, median 305 ft
- Houston (77090) — 64 wells, median 268 ft
- Channelview (77530) — 63 wells, median 300 ft
- 77346 — 58 wells, median 260 ft
- Houston (77073) — 57 wells, median 320 ft
- 77053 — 53 wells, median 360 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.