Produced water and disposal in Webb County
Every injection and disposal permit in the county, what each well is permitted to take, what its operator reported, and who is reporting daily. Earthquakes in the area →
Webb County has 66 active injection and disposal wells, 25 of them permitted for disposal, with 301,280 barrels a day of permitted capacity.
Operators reported 7.6 million barrels injected on H-10 filings in the twelve months to June 2025, down 23% on the year before, about 7% of what the permits allow.
4020 SWD, LLC is the largest injector in the county, with 2.9 million barrels reported across 2 active wells.
TexNet located 3 M2+ earthquakes in the county's area over the last two years, the largest M2.3.
- 66
- active injection wells, 25 for disposal
- 301K
- bbl/d permitted capacity
- 7.57M
- bbl reported, H-10 year to Jun 2025 -23%
- 7%
- of permitted capacity used
- 501
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 7,566,453 · prior 12 9,827,716(-23%)
Who injects here
Operators with active permits in the county, by reported H-10 volume over the settled year.
| Operator | Reported, bbl | Active wells | Capacity bbl/d |
|---|---|---|---|
| 4020 SWD, LLC | 2.93M | 2 | 40K |
| Lewis Petro Properties, Inc | 1.66M | 2 | 44K |
| TBM Catarina, LLC | 619K | 2 | 35K |
| Kasper Disposal LLC | 598K | 1 | 10K |
| JE Energy Partners, LLC | 399K | 5 | 3.2K |
| Killam Oil Co., Ltd | 394K | 7 | 32.1K |
| Wallis Engy, Inc | 387K | 4 | 4.5K |
| Mid River Midstream LLC | 228K | 1 | 7.5K |
| EL Gato SWD Inc. | 163K | 1 | 5K |
| Aldine Oil and Gas, LP | 82.8K | 2 | 8K |
| Fasken Oil and Ranch, Ltd | 57.6K | 4 | 36.5K |
| L.T.D. Explorations Inc | 27.4K | 4 | 4.65K |
| Magnum Engineering Co | 13.9K | 1 | 1K |
| Hilcorp Engy Co | 11.3K | 4 | 24K |
| Texxco Energy Services Inc | — | 1 | 10K |
| First River Midstream, LLC | — | 1 | 6K |
| Merit Engy Co | — | 1 | 5K |
| Proline Energy Resources Inc | — | 1 | 5K |
| Three C Expl, LLC | — | 10 | 3.75K |
| Alegre Operating, Inc. | — | 1 | 2.5K |
Injection permits
501 UIC PERMITS · 66 ACTIVE · PAGE 1 OF 6
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Oasis #1D | 4020 SWD, LLC | Active | Enhanced recovery | 2.93M | 20,000 | 3,800–4,600 | Oct 27, 2022 |
| M & M Minerals Corp. A #7 | Lewis Petro Properties, Inc | Active | Disposal | 872K | 13,980 | 4,500–4,770 | Jan 8, 2019 |
| Lewis-Janco Ranch #3 | Lewis Petro Properties, Inc | Active | Disposal | 785K | 30,000 | 4,500–4,800 | Feb 24, 2020 |
| Piloncillo #D 1D | TBM Catarina, LLC | Active | Disposal | 619K | 25,000 | 8,824–11,773 | Jan 12, 2016 |
| Botello-Killam #1SW | Kasper Disposal LLC | Active | Disposal | 598K | 10,000 | 3,200–5,200 | Mar 21, 2006 |
| K&H Fee Porcion #1601 | Killam Oil Co., Ltd | Active | Enhanced recovery | 296K | 10,000 | 4,115–4,556 | May 30, 2023 |
| Webb County School Land #1 | Mid River Midstream LLC | Active | Disposal | 228K | 7,500 | 4,300–5,800 | Oct 23, 2018 |
| Perez,amado #4 | Wallis Engy, Inc | Active | Disposal | 216K | 2,000 | 2,520–2,790 | Sep 16, 1975 |
| Puig #1D | EL Gato SWD Inc. | Active | Disposal | 163K | 5,000 | 2,350–2,580 | Jul 24, 2001 |
| West Cole Field Unit #181 | JE Energy Partners, LLC | Active | Enhanced recovery | 149K | 500 | 2,315–2,349 | Apr 26, 2012 |
| Martin, Albert, Trustee #10 | Wallis Engy, Inc | Active | Enhanced recovery | 145K | — | 5,650 | Jul 24, 1986 |
| West Cole Field Unit #433 | JE Energy Partners, LLC | Active | Enhanced recovery | 118K | — | 2,333 | Jun 20, 1985 |
| West Cole North Unit #8 | JE Energy Partners, LLC | Active | Enhanced recovery | 114K | 700 | 2,338–2,357 | Dec 15, 2010 |
| South Callaghan Ranch #15 | Aldine Oil and Gas, LP | Active | Disposal | 82.8K | 5,000 | 4,654–5,200 | May 29, 1996 |
| Palafox Exploration Co. -20B- #1 | Fasken Oil and Ranch, Ltd | Active | Enhanced recovery | 53.9K | 7,500 | 4,000–5,950 | Mar 4, 2014 |
| Garcia 608 #2 | Killam Oil Co., Ltd | Active | Enhanced recovery | 35.1K | 2,500 | 5,210–5,250 | May 9, 2007 |
| DE Benavides, Rosa V., et AL #16 | L.T.D. Explorations Inc | Active | Enhanced recovery | 27.4K | 1,000 | 2,300–2,400 | Nov 13, 2013 |
| Khe Range #1 | Killam Oil Co., Ltd | Active | Enhanced recovery | 26.5K | 5,000 | 6,062–6,508 | Jul 14, 2023 |
| Dcrc Delta #3 | Killam Oil Co., Ltd | Active | Enhanced recovery | 24.9K | 1,500 | 850–871 | Jan 26, 1996 |
| West Cole North Unit #5I | JE Energy Partners, LLC | Active | Enhanced recovery | 18.4K | 1,000 | 2,340–2,370 | Feb 22, 2013 |
| Benavides, Brennan #67 | Wallis Engy, Inc | Active | Enhanced recovery | 16K | 1,500 | 5,736–5,780 | May 27, 1975 |
| Benavides, Rosa #2 | Magnum Engineering Co | Active | Enhanced recovery | 13.9K | 1,000 | 3,170–3,190 | Jan 21, 2014 |
| Killam, O.W. #12 | Killam Oil Co., Ltd | Active | Enhanced recovery | 11.3K | 3,000 | 1,082–1,290 | Jun 16, 2015 |
| Perez, Amado #13 | Wallis Engy, Inc | Active | Disposal | 10.2K | 1,000 | 2,520–2,660 | Jun 12, 1990 |
| Vaquillas #1WD | Hilcorp Engy Co | Active | Enhanced recovery | 8.43K | 10,000 | 4,200–5,430 | Oct 6, 2009 |
| Palafox Exploration Co. -15- #2 | Fasken Oil and Ranch, Ltd | Active | Enhanced recovery | 3.44K | 1,500 | 4,000–5,936 | Jun 7, 2005 |
| Lundell #75 | Hilcorp Engy Co | Active | Disposal | 2.91K | 4,000 | 4,900–6,300 | Feb 10, 1999 |
| Palafox Exploration Co. -20A- #1 | Fasken Oil and Ranch, Ltd | Active | Enhanced recovery | 227 | 7,500 | 4,000–5,848 | Feb 23, 2018 |
| Oasis #2D | 4020 SWD, LLC | Active | Enhanced recovery | — | 20,000 | 3,800–4,600 | Oct 27, 2022 |
| Loma Blanca #1 | Fasken Oil and Ranch, Ltd | Active | Disposal | — | 20,000 | 9,350–10,950 | Sep 29, 2025 |
| Vaquillas-State #7WD | Hilcorp Engy Co | Active | Enhanced recovery | — | 10,000 | 4,240–5,500 | Mar 11, 2011 |
| Piloncillo #D 1WI | TBM Catarina, LLC | Active | Enhanced recovery | — | 10,000 | 3,250–3,580 | Jul 31, 2012 |
| Lundell #35 | First River Midstream, LLC | Active | Disposal | — | 6,000 | 3,050–7,700 | Oct 10, 2005 |
| Hereford -T- #43 | Merit Engy Co | Active | Disposal | — | 5,000 | 3,500–4,800 | Feb 21, 1997 |
| Brask Ranch #7 | Proline Energy Resources Inc | Active | Enhanced recovery | — | 5,000 | 5,232–5,650 | May 12, 2005 |
| South Callaghan Ranch #25 | Aldine Oil and Gas, LP | Active | Disposal | — | 3,000 | 4,610–4,855 | Jan 25, 2017 |
| DE Benavides, Rosa V., et AL #1WS | L.T.D. Explorations Inc | Active | Disposal | — | 3,000 | 2,450–3,750 | Aug 17, 2012 |
| Benavides, Rosa V. -C- #7 | Varas Energy Operating Company, | Active | Disposal | — | 2,500 | 2,524–6,530 | Jul 11, 2000 |
| A.M. Bruni Estate #2 | Alegre Operating, Inc. | Active | Enhanced recovery | — | 2,500 | 5,610–5,708 | Mar 17, 2004 |
| Garcia, Lydia #2103D | Rattlesnake Oper Co, LLC | Active | Enhanced recovery | — | 2,000 | 2,208–2,234 | Sep 17, 2010 |
| Callaghan Ranch #13 | EOG Res, Inc | Active | Disposal | — | 1,500 | 4,560–4,880 | May 22, 1975 |
| Briscoe D #7 | Mountain V Texas, LLC | Active | Disposal | — | 1,500 | 4,570–6,000 | Jun 21, 1995 |
| Biel, E. /Emil/ #14 | Finaly Res LLC | Active | Enhanced recovery | — | 1,250 | 995–1,020 | Apr 22, 1991 |
| West Cole North Unit #19 | JE Energy Partners, LLC | Active | Enhanced recovery | — | 1,000 | 2,315–2,349 | Dec 15, 2010 |
| DE Benavides, Rosa V., et AL #4W | L.T.D. Explorations Inc | Active | Enhanced recovery | — | 400 | 2,334–2,357 | Aug 9, 1983 |
| Rancho Blanco "D" #2 | Columbus Engy, LLC | Active | Disposal | — | 400 | 4,640–4,700 | Nov 18, 2008 |
| DE Benavides, Rosa V., et AL #2W | L.T.D. Explorations Inc | Active | Enhanced recovery | — | 250 | 2,340–2,360 | Jul 14, 1982 |
| Perez-Rowden #1 | Petroleum Developments Int LLC | Active | Enhanced recovery | — | 250 | 4,161–4,163 | Sep 6, 2001 |
| Vaquillas Ranch-A1 #9 | Hilcorp Engy Co | Active | Disposal | — | — | 3,800–4,790 | Nov 14, 1985 |
| McKendrick, W.H. #10 | Texxco Energy Services Inc | Active | Disposal | — | 10,000 | 3,100–4,150 | May 30, 1995 |
| K&H Fee Porcion #1603 | Killam Oil Co., Ltd | Active | Enhanced recovery | — | 10,000 | 4,244–5,010 | Dec 3, 2024 |
| Vaquillas 136 #1 | Three-C Oil and Gas | Active | Disposal | — | 2,000 | 4,876–5,360 | Sep 28, 2001 |
| Garcia, F. G. #8 | Outline Oil Company LLC | Active | Enhanced recovery | — | 1,000 | 1,982–1,998 | Sep 16, 1987 |
| Moos Heirs #5 | Chandler Oil & Gas, LLC | Active | Disposal | — | 1,000 | 1,530–2,200 | Aug 18, 2010 |
| Guerra, F. #1 | Three C Expl, LLC | Active | Disposal | — | 600 | 800–910 | Oct 26, 1992 |
| Frost Mineral Fee #6 | Three C Expl, LLC | Active | Enhanced recovery | — | 500 | 1,716–2,640 | May 17, 1999 |
| Murc-Kennedy #1 | Three C Expl, LLC | Active | Enhanced recovery | — | 450 | 1,737–1,746 | May 15, 1981 |
| Murc-Taylor #4 | Three C Expl, LLC | Active | Enhanced recovery | — | 400 | 1,740–1,754 | May 21, 1986 |
| Wise, et AL #28 | Three C Expl, LLC | Active | Other | — | 400 | 1,584–1,596 | Oct 16, 1972 |
| Wheatley #26 | Three C Expl, LLC | Active | Enhanced recovery | — | 400 | 500–1,712 | Jun 2, 1988 |
| Bruni -B- #15 | Three C Expl, LLC | Active | Enhanced recovery | — | 300 | 1,716–1,728 | Jan 6, 1969 |
| Bruni #5 | Three C Expl, LLC | Active | Enhanced recovery | — | 300 | 1,715–1,734 | Jul 14, 1969 |
| Aviators #1 | Three C Expl, LLC | Active | Enhanced recovery | — | 200 | 1,679–1,686 | Sep 22, 1998 |
| Aviator "B" #1 | Three C Expl, LLC | Active | Enhanced recovery | — | 200 | 1,414–1,676 | Dec 18, 2001 |
| Adami, Francisca #6 | Rystin Oil & Gas | Active | Enhanced recovery | — | 200 | 1,122–1,125 | Jun 29, 2006 |
| K & H Fee "1690" #1 | Killam Oil Co., Ltd | Active | Disposal | — | 100 | 4,556–4,576 | Oct 29, 1986 |
| Oasis #3D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 3,800–4,600 | Oct 27, 2022 |
| Brask #4D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | Jan 24, 2023 |
| Brask #5D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | Jan 24, 2023 |
| Brask #1D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | May 4, 2023 |
| Brask #2D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | May 4, 2023 |
| Brask #3D | 4020 SWD, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | May 4, 2023 |
| Northern Webb Evaluation #1 | EOG SPG Holdings, Inc | Inactive | Disposal | — | — | 9,700–11,700 | Aug 9, 2024 |
| Barker, Grace #2 | Webb County Unlimited Res., LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,100–5,250 | Jun 8, 2015 |
| Brask #1D | Equitis Solutions, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | Mar 10, 2020 |
| Brask #2D | Equitis Solutions, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | Mar 10, 2020 |
| Brask #3D | Equitis Solutions, LLC | Cancelled | Enhanced recovery | — | 20,000 | 4,200–5,100 | Mar 10, 2020 |
| Blocker, John R. -1843- #3 | Brask-Dumont Ranch, Inc. | Cancelled | Enhanced recovery | — | 18,000 | 4,940–5,030 | Jan 27, 1987 |
| Callaghan Ranch #3SW | Equitis Solutions, LLC | Cancelled | Disposal | — | 15,000 | 5,400–6,200 | Jul 6, 2019 |
| Callaghan Ranch #1SW | Equitis Solutions, LLC | Cancelled | Disposal | — | 15,000 | 5,400–6,200 | Jul 6, 2019 |
| Callaghan Ranch #2SW | Equitis Solutions, LLC | Cancelled | Disposal | — | 15,000 | 5,400–6,200 | Jul 6, 2019 |
| Amando #1 | Key Engy Services, LLC | Plugged | Disposal | — | 10,000 | 3,430–4,080 | Sep 29, 1993 |
| Buford Dobie #1 | Bar M Petroleum Company | Cancelled | Enhanced recovery | — | 10,000 | 750–756 | Mar 6, 1979 |
| Leyendecker SWD #1D | Reef Expl, L.P | Cancelled | Disposal | — | 10,000 | 3,500–4,100 | Jun 10, 2008 |
| Leyendecker, M. M. SWD #1 | TX Engy Services, LLC | Plugged | Disposal | — | 10,000 | 3,500–4,100 | May 3, 2005 |
| Leyendecker SWD #2D | Reef Expl, L.P | Cancelled | Disposal | — | 10,000 | 3,500–4,100 | Sep 5, 2008 |
| Gill, F. J. #5 | TX Engy Services, LLC | Plugged | Disposal | — | 10,000 | 4,650–5,900 | Jul 11, 2005 |
| McKendrick, W. H. et AL #15 | Varas Energy Operating Company, | Inactive | Enhanced recovery | — | 10,000 | 2,000–5,000 | Oct 14, 2008 |
| Tang Disposal #1 #1 | Transamerican Natural Gas Corp | Cancelled | Disposal | — | 8,000 | 1,950–2,025 | Apr 2, 1986 |
| E. G. Ranch, Ltd. #1R | AMDSJ2 LLC | Plugged | Disposal | — | 8,000 | 3,750–4,250 | Apr 29, 1998 |
| Webb County School Land #1 | 1400 Corp | Cancelled | Other | — | 7,500 | 4,600–5,800 | Jun 28, 1993 |
| Barker, Grace #1 | South Texas Disposal, Inc | Cancelled | Disposal | — | 6,000 | 1,530–2,670 | Feb 24, 1989 |
| Akin-McKendrick #3 | Blue Star Environ Services, LLC | Cancelled | Enhanced recovery | — | 6,000 | 3,920–5,120 | Nov 20, 2017 |
| Barker, Grace #1 A | Webb County Unlimited Res., LLC | Cancelled | Disposal | — | 6,000 | 1,530–2,066 | Oct 8, 1993 |
| Sage Well Salt Water Disposal #1 | Lewis Petro Properties, Inc | Plugged | Disposal | — | 6,000 | 4,500–4,770 | Mar 6, 2012 |
| Vaquillas #3 | Pennzenergy Exp. & Prod., L.L.C | Cancelled | Enhanced recovery | — | 6,000 | 4,005–5,220 | Dec 15, 2009 |
| South Lopez Unit #110 | Tesoro Petro Corp | Cancelled | Other | — | 5,000 | 2,193–2,211 | Mar 29, 1976 |
| South Lopez Unit #308 | American Expl Co | Cancelled | Enhanced recovery | — | 5,000 | 2,235–2,250 | May 22, 1978 |
| South Lopez Unit #405 | American Expl Co | Cancelled | Other | — | 5,000 | 2,183–2,203 | Dec 5, 1969 |
| South Lopez Unit #601 | Herschap Bros | Cancelled | Enhanced recovery | — | 5,000 | 2,220–2,232 | May 22, 1978 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Oct 21, 2011 | 726309 | Evolution Operating Co., Inc. | Lopez Montemayor SWD #3 47941573 |
| Sep 26, 2011 | 724799 | Evolution Operating Co., Inc. | Lopez Montemayor SWD #2 47941545 |
| Sep 22, 2011 | 724637 | Evolution Operating Co., Inc. | Lopez Montemayor SWD #1 47941539 |
| Oct 20, 2010 | 703790 | XTO Energy Inc. | Las Raices Ranch SWD #1 47941084 |
| Apr 27, 2005 | 561148 | J & R Contractors | Leyendecker, M. M. SWD #1 47930774 |
| Feb 16, 1995 | 433032 | Sage Well Services, Inc. | Sage Well Salt Water Disposal #1 47936264 |
| Jun 12, 1985 | 277493 | Pronto Vacuum Service, Inc. | Pronto Salt Water Disposal #2 47934172 |
| Mar 23, 1982 | 154114 | HNG Oil Company | Vaquillas Ranch SWD #1D 47933288 |
About this data
RRC UIC well master and H-10 injection reports, settled through Jun 2025; TexNet daily injection for the last settled month; disposal permit tags from Petrora's sector classifier.
Developers: this page as JSON is GET /v1/data/water/tx/webb, documented in the API reference.