Zavala Drilling, CO
303 well reports on file across 44 Texas counties, from 2006 to 2026. Median depth 250 ft.
303Reports
44Counties
250 ftMedian depth
17 gpmMedian yield
Where they work
| County | Reports | Share | Median depth, ft |
|---|---|---|---|
| Travis County | 51 | 16.8% | 250 |
| Harris County | 41 | 13.5% | 300 |
| Callahan County | 32 | 10.6% | 47 |
| Bexar County | 25 | 8.3% | 250 |
| Hill County | 21 | 6.9% | 540 |
| Bastrop County | 14 | 4.6% | 260 |
| Comal County | 13 | 4.3% | 250 |
| Hays County | 10 | 3.3% | 300 |
| Williamson County | 8 | 2.6% | 300 |
| Waller County | 8 | 2.6% | 260 |
| Grayson County | 8 | 2.6% | 250 |
| Montgomery County | 6 | 2.0% | 200 |
| Fayette County | 5 | 1.7% | 420 |
| Gillespie County | 5 | 1.7% | 250 |
| Bandera County | 5 | 1.7% | 250 |
| Burnet County | 4 | 1.3% | 300 |
| Austin County | 4 | 1.3% | 160 |
| Kendall County | 4 | 1.3% | 250 |
| Colorado County | 3 | 1.0% | 210 |
| Kerr County | 3 | 1.0% | 250 |
| Uvalde County | 3 | 1.0% | 250 |
| Angelina County | 2 | 0.7% | 360 |
| Blanco County | 2 | 0.7% | 560 |
| Wharton County | 2 | 0.7% | 155 |
| Wilson County | 2 | 0.7% | 250 |
| Burleson County | 2 | 0.7% | 310 |
| Fort Bend County | 2 | 0.7% | 260 |
| Tarrant County | 2 | 0.7% | 300 |
| Grimes County | 1 | 0.3% | 400 |
| Sabine County | 1 | 0.3% | 160 |
What they drill
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Closed-Loop Geothermal | 138 | 45.5% | 250 |
| Domestic | 104 | 34.3% | 300 |
| Irrigation | 38 | 12.5% | 50 |
| Other | 15 | 5.0% | 260 |
| Test Well | 4 | 1.3% | 300 |
| Industrial | 2 | 0.7% | 400 |
| Public Supply | 1 | 0.3% | 390 |
| Injection | 1 | 0.3% | 300 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 7 | 44 | 30 |
| 2010s | 145 | 250 | 35 |
| 2020s | 151 | 300 | 175 |
Their deepest reports
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 682158 | 2024 | 840 | 390 | — | Domestic |
| 693248 | 2024 | 740 | 580 | — | Domestic |
| 668564 | 2024 | 740 | 620 | — | Domestic |
| 668565 | 2024 | 700 | 520 | — | Domestic |
| 665885 | 2024 | 680 | 343 | — | Domestic |
| 597507 | 2022 | 650 | — | 100 | Domestic |
| 716503 | 2026 | 620 | 40 | — | Irrigation |
| 665921 | 2024 | 580 | 360 | 15 | Domestic |
| 662606 | 2024 | 580 | 440 | — | Domestic |
| 630052 | 2023 | 580 | 420 | 17 | Domestic |
Every figure here comes from a report a licensed driller filed on the day the work ended — sometimes decades ago. It describes what was found then, not what a well yields today, and it is not a statement that any well is sound, potable or still in use.
This page counts reports, not quality, and it is not a recommendation. A firm that files more reports drills more wells — nothing else follows.