Produced water and disposal in Zapata 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 →
Zapata County has 23 active injection and disposal wells, 19 of them permitted for disposal, with 115,870 barrels a day of permitted capacity.
Operators reported 1.0 million barrels injected on H-10 filings in the twelve months to September 2025, down 18% on the year before, about 2% of what the permits allow.
Mid River Midstream LLC is the largest injector in the county, with 611,224 barrels reported across 2 active wells.
- 23
- active injection wells, 19 for disposal
- 116K
- bbl/d permitted capacity
- 1.01M
- bbl reported, H-10 year to Sep 2025 -18%
- 2%
- of permitted capacity used
- 330
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO SEP 2025
Last 12 months 1,007,832 · prior 12 1,226,372(-18%)
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 |
|---|---|---|---|
| Mid River Midstream LLC | 611K | 2 | 16K |
| El Gato SWD Inc. | 112K | 1 | 20K |
| Sue-Ann Operating, L.C. | 87K | 4 | 18K |
| Hilcorp Energy Company | 73.2K | 2 | 6.5K |
| Beehive Operating, LLC | 72K | 1 | 10K |
| Block "T" Petroleum, Inc. | 24.2K | 1 | 5K |
| TD Natural Resources LLC | 13.6K | 1 | 5K |
| RMX Oil & Gas, LLC | 9.11K | 1 | 500 |
| Bordertown Energy Resources, LLC | 2.98K | 2 | 1.15K |
| Arete Operating Company, LLC | 2.08K | 1 | 2K |
| Texxco Energy Services Inc | — | 2 | 16K |
| Bes, Environmental Services,inc. | — | 1 | 10K |
| Vantage Operating II, LLC | — | 1 | 2.5K |
| Paleo Oil Company LLC | — | 1 | 2K |
| Varas Energy Operating Company, | — | 1 | 1K |
| Eagle 5 Energy Services LLC | — | 1 | 220 |
Injection permits
330 UIC PERMITS · 23 ACTIVE · PAGE 2 OF 4
Active permits first, by reported volume, then canceled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Haynes Mineral Trust #D 8 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 450 | 884–904 | Mar 2, 1987 |
| Jennings, J. D. #250WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,275–3,282 | Dec 20, 1971 |
| Jennings, J. D. #261 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,284–3,302 | Dec 20, 1971 |
| Jennings, J. D. #262 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,266–3,282 | Dec 20, 1971 |
| Jennings, J. D. #280 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,257–3,272 | Dec 20, 1971 |
| Jennings, J. D. #281 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,308–3,323 | Nov 6, 1972 |
| Jennings, J. D. #285WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,288–3,294 | Nov 6, 1972 |
| Jennings, J. D. #283WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,307–3,321 | Dec 20, 1971 |
| Jennings, J. D. #279WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,302–3,314 | Dec 20, 1971 |
| Jennings, J. D. #295WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,293–3,296 | Nov 6, 1972 |
| Jennings, J. D. #303WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,276–3,289 | Dec 20, 1971 |
| Jennings, J. D. #290WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,316–3,334 | Dec 20, 1971 |
| Trevino, E. #P 1 | Energy 2000, Inc. | Plugged | Enhanced recovery | — | 400 | 1,262–1,315 | Jan 13, 1988 |
| Trevino, E. #1 A | Energy 2000, Inc. | Plugged | Enhanced recovery | — | 400 | 1,240–1,264 | Jan 13, 1988 |
| Jennings, J. D. #264 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,303–3,321 | Dec 20, 1971 |
| Jennings, J. D. #284 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,289–3,301 | Dec 20, 1971 |
| Jennings, J. D. #296 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,315–3,334 | Dec 20, 1971 |
| Jennings, J. D. #304 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,293–3,308 | Dec 20, 1971 |
| Jennings, J. D. #289 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 400 | 3,233–3,244 | Nov 6, 1972 |
| Escobas -B-E- Unit #E 6 | Energy 2000, Inc. | Plugged | Disposal | — | 384 | 1,228–1,235 | Apr 3, 1972 |
| Trevino -B- #83 | Ress Production Co. | Plugged | Enhanced recovery | — | 375 | 3,311–3,325 | — |
| Jennings, J. D. #19 | Texaco Inc. | Canceled | Enhanced recovery | — | 325 | 1,173–1,204 | Dec 28, 1981 |
| Jennings, J. D. #251 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 325 | 1,179–1,220 | Dec 28, 1981 |
| Jennings, J. D. #111 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 310 | 1,235–1,280 | Apr 17, 1950 |
| La Perla Field SWD #3D | Enron Oil & Gas Company | Canceled | Disposal | — | 300 | 535–575 | May 21, 1979 |
| Jennings, J. D. #332 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,572–3,594 | Dec 28, 1982 |
| Jennings, J. D. #333 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,584–3,592 | Dec 28, 1982 |
| Jennings, J. D. #337 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,601–3,608 | Dec 28, 1982 |
| Jennings, J. D. #338 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,593–3,620 | Dec 28, 1982 |
| Jennings, J. D. #343 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,614–3,641 | Dec 28, 1982 |
| Jennings, J. D. #356 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 300 | 3,606–3,612 | Dec 28, 1982 |
| Bruni Min. Trust #146 | Killam Oil Company | Canceled | Enhanced recovery | — | 300 | 1,722–1,726 | Mar 9, 1984 |
| Garcia, Anastasio #C 23 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 169–199 | Aug 15, 1985 |
| Garcia, Anastasio #C 25 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 185–215 | Aug 15, 1985 |
| Garcia, Anastasio #C 43 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 147–177 | Aug 15, 1985 |
| Garcia, Anastasio #C 46 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 185–215 | Aug 15, 1985 |
| Garcia, Anastasio #C 62 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 140–170 | Aug 15, 1985 |
| Garcia, Anastasio #C 64 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 168–198 | Aug 15, 1985 |
| Garcia, Anastasio #C 82 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 96–126 | Aug 15, 1985 |
| Garcia, Anastasio #C 84 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 122–152 | Aug 15, 1985 |
| Garcia, Amada C. De #6 | Zapata Minerals Co. | Canceled | Enhanced recovery | — | 300 | 491–510 | Sep 15, 1986 |
| Garcia, Amada C. De #17 | Zapata Minerals Co. | Canceled | Enhanced recovery | — | 300 | 496–502 | Sep 15, 1986 |
| Garcia, Amada C. De #23 | Zapata Minerals Co. | Canceled | Enhanced recovery | — | 300 | 507–509 | Sep 15, 1986 |
| Ramirez, J.S. #2 | Conocophillips Company | Plugged | Disposal | — | 300 | 4,100–4,168 | Apr 17, 1989 |
| Cuellar, E. #13 | RMX Oil & Gas, LLC | Inactive | Enhanced recovery | — | 300 | 3,019–3,035 | Apr 8, 2014 |
| Garcia, Anastasio #B 10 | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 300 | 223–238 | Aug 29, 2014 |
| Jennings, J. D. #47 | S M K Energy Corporation | Canceled | Enhanced recovery | — | 270 | 1,229–1,276 | Apr 17, 1950 |
| Garcia, Anastasio #96 T | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 250 | 149 | Oct 20, 1967 |
| Garcia, Anastasio #106 T | Synthetic Energy Corporation | Canceled | Enhanced recovery | — | 250 | 134 | Oct 20, 1967 |
| Moss, Joe, Unit #B 5 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 467–482 | Jul 31, 1984 |
| Moss, Joe, Unit #A 17 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 436–438 | Jul 31, 1984 |
| Moss, Joe, Unit #A 9 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 490–502 | Jul 31, 1984 |
| Moss, Joe, Unit #C 21 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 463–475 | Jan 30, 1985 |
| Moss, Joe, Unit #C 11 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 486–500 | Jan 30, 1985 |
| Moss, Joe, Unit #C 4 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 485–493 | Apr 3, 1985 |
| Moss, Joe, Unit #C 13 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 484–495 | Apr 3, 1985 |
| Moss, Joe, Unit #C 19 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 240 | 452–471 | Apr 3, 1985 |
| Jennings, J. D. #409WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 200 | 3,354–3,369 | May 24, 1974 |
| Moss, Joe, Unit #W322 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 505–512 | Apr 7, 1980 |
| Moss, Joe, Unit #W422 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 508–518 | Apr 7, 1980 |
| Moss, Joe, Unit #W526 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 519–534 | Apr 7, 1980 |
| Moss, Joe, Unit #W626 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 514–528 | Apr 7, 1980 |
| Moss, Joe, Unit #W731 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 502–512 | Apr 7, 1980 |
| Moss, Joe, Unit #W832 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 494–504 | Apr 7, 1980 |
| Moss, Joe, Unit #W933 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 478–485 | Apr 7, 1980 |
| Garcia, A. "a & B" #2 | Satco, Inc. | Canceled | Enhanced recovery | — | 200 | 1,398–1,467 | Sep 9, 1980 |
| San Martin #1 | Killam Oil Co., Ltd. | Canceled | Disposal | — | 200 | 3,980–4,000 | Apr 18, 1988 |
| Moss, Joe, Unit #W120 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 494–504 | Apr 7, 1980 |
| Moss, Joe, Unit #W222 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 501–511 | Apr 7, 1980 |
| Moss, Joe, Unit #E 4 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 482–489 | Jun 5, 1978 |
| Moss, Joe, Unit #E 1 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 482–489 | Feb 14, 1978 |
| Moss, Joe, Unit #E 2 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 482–489 | Feb 14, 1978 |
| Moss, Joe, Unit #E 3 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 482–489 | Feb 14, 1978 |
| Haynes Mineral Trust #D 55 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 1,115–1,131 | Jun 5, 1980 |
| Haynes Mineral Trust #D 51 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 1,082–1,100 | Jun 5, 1980 |
| Haynes Mineral Trust #D 27 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 1,079–1,099 | Jun 5, 1980 |
| Haynes Mineral Trust #K 10 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 1,068–1,085 | Jun 5, 1980 |
| Haynes Mineral Trust #K 14 | Thrash Oil & Gas Co. | Plugged | Enhanced recovery | — | 200 | 1,092–1,108 | Jun 5, 1980 |
| Haynes Mineral Trust #D 6 | Thrash Oil & Gas Co. | Canceled | Enhanced recovery | — | 200 | 836–859 | Jun 5, 1980 |
| G. S. A. #9 | Villalon, J. Antonio, Trustee | Canceled | Enhanced recovery | — | 150 | 1,266–1,278 | — |
| G. S. A. #12WI | Villalon, J. Antonio, Trustee | Canceled | Enhanced recovery | — | 150 | 1,200–1,240 | — |
| Vela Estate #3 | Amax Oil & Gas Inc. | Canceled | Disposal | — | 150 | 2,154–2,178 | Dec 30, 1987 |
| Trevino, E. Mrs. -B- #60 | Energy 2000, Inc. | Canceled | Disposal | — | 100 | 1,190–1,203 | — |
| Jennings, J. D. #2WD | Texaco Inc. | Canceled | Disposal | — | 100 | 3,000–3,010 | — |
| Jennings, J. D. #140WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #142WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #146WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #150WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #154WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #156WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #174WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #176WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #182WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #183WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #185WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #192WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #197WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #199WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
| Jennings, J. D. #204WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 6, 1960 |
| Jennings, J. D. #210WI | S M K Energy Corporation | Canceled | Enhanced recovery | — | 100 | 3,000–3,010 | Jun 9, 1960 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Jan 7, 2013 | 754019 | US Liquids of la., L.P. | Javalina SWD #1 50536584 |
| May 10, 2011 | 715812 | Titan Vacuum Services, LLC | Zapata SWD #2 50531840 |
| Sep 10, 2010 | 701884 | Basic Energy Services, L.P. | Zapata SWD #1 50536531 |
| Aug 1, 2002 | 522429 | Dominion Expl. & Prod., Inc. | Guerra, Raul SWD #1 50534595 |
| Aug 1, 2002 | 522429 | Dominion Expl. & Prod., Inc. | Guerra, Raul SWD #1 50534595 |
| May 3, 1996 | 447458 | Transtexas Gas Corporation | Ramirez, Maria V. SWD #4 50533439 |
| May 3, 1996 | 447458 | Transtexas Gas Corporation | Ramirez, Maria V. SWD #4 50533439 |
| Oct 18, 1995 | 440988 | Pennzoil Exploration & Prod. Co. | Escobas SWD #1 50533363 |
| Jul 22, 1994 | 426191 | KCS Resources, Inc. | Ramirez SWD #1 50533225 |
| Mar 3, 1981 | 110467 | Texas Oil & Gas Corp. | Lopeno #13 D 50580446 |
About this data
RRC UIC well master and H-10 injection reports, settled through Sep 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/zapata, documented in the API reference.