WATER · ZAPATA COUNTY

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 22 active injection and disposal wells, 14 of them permitted for disposal, with 115,650 barrels a day of permitted capacity.

Operators reported 884,821 barrels injected on H-10 filings in the twelve months to June 2025, down 38% on the year before, about 2% of what the permits allow.

Mid River Midstream LLC is the largest injector in the county, with 360,576 barrels reported across 1 active well.

22
active injection wells, 14 for disposal
116K
bbl/d permitted capacity
885K
bbl reported, H-10 year to Jun 2025 -38%
2%
of permitted capacity used
330
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 884,821 · prior 12 1,428,129(-38%)

0200K400K2016201720182019202020212022202320242025

Who injects here

Operators with active permits in the county, by reported H-10 volume over the settled year.

Injection permits

330 UIC PERMITS · 22 ACTIVE · PAGE 1 OF 4

Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Villarreal, R. #2Mid River Midstream LLCActiveDisposal361K6,0002,300–3,100Mar 14, 1997
Zapata SWD #2EL Gato SWD Inc.ActiveOther254K20,0002,750–3,446Oct 31, 2022
Jennings #28WDHilcorp Engy CoActiveEnhanced recovery82.7K3,0003,875–5,170Sep 22, 1998
Martinez SWD #1Beehive Operating, LLCActiveDisposal80.7K10,0002,650–3,700Aug 13, 2002
Jennings, J. D. #384Sue-Ann Oper, L.CActiveEnhanced recovery40.3K10,0002,160–2,440Nov 8, 2024
Hinojosa, G. G. #6DBlock "T" Petro, IncActiveDisposal19.5K5,0002,800–4,000Aug 7, 1981
Cuellar, E. #22RMX Oil & Gas, LLCActiveEnhanced recovery9.94K5003,014–3,031Jan 28, 2010
EL Peyote Mineral Trust #5TD Natural Resources LLCActiveDisposal8.96K5,0002,096–2,320Sep 2, 2014
Slator Ranch #5Bordertown Engy Res, LLCActiveDisposal3.94K1504,196–4,560Jan 10, 1985
McCann, Catalina L. #1Arete Oper Co, LLCActiveDisposal2.05K2,0005,150–5,300Jul 28, 1994
Ramirez Ltd #1Gn&j LLCActiveDisposal—10,0004,200–8,500May 13, 2004
Zapata SWD #1Bes, Environmental Services,incActiveDisposal—10,0002,800–4,300Apr 29, 2011
Jennings, J. D. #48DSue-Ann Oper, L.CActiveEnhanced recovery—5,0001,218–1,266Mar 26, 2013
Thomasma, Ray J. #3Hilcorp Engy CoActiveEnhanced recovery—3,5002,360–2,910Jul 9, 2012
Mecom, J. W. (SWD) #14Paleo Oil Co LLCActiveDisposal—2,0003,000–3,800Oct 5, 2000
Uribe, P. #2Varas Energy Operating Company,ActiveDisposal—1,0003,100–4,200Jan 21, 1991
Martinez, Lauro #4Bordertown Engy Res, LLCActiveDisposal—1,000700–900Jun 6, 1996
Jennings, J. D. #78DSue-Ann Oper, L.CActiveEnhanced recovery—5001,191–1,238Dec 16, 1987
King "B" #3ATexxco Energy Services IncActiveDisposal—10,0003,000–6,000Jun 14, 1999
King "B" #4Texxco Energy Services IncActiveDisposal—6,0003,000–4,000Jun 16, 2004
Jennings, J. D. #294RSue-Ann Oper, L.CActiveEnhanced recovery—2,5001,058–1,092Mar 7, 1997
Guerra, Raul #1Vantage Operating II, LLCActiveDisposal—2,5002,800–5,000Sep 2, 2003
Jennings, J. D. #452Sue-Ann Oper, L.CCancelledEnhanced recovery21.9K5,0002,320–4,170Sep 20, 2012
Marshall, S.G. #8TX Engy Services, LLCPluggedDisposal—30,0004,500–5,000Dec 7, 2006
Saldana #1DRiddle Oil CoPluggedDisposal—12,0002,450–3,100Nov 25, 1980
G.S.A. #52CJ Petroleum Services, LLCPluggedEnhanced recovery—10,0004,940–5,935Oct 1, 2004
G.S.A. #53CJ Petroleum Services, LLCPluggedEnhanced recovery—10,0001,400–3,400Oct 1, 2004
Ramirez, Maria V. SWD #4DKey Engy Services, LLCPluggedDisposal—10,0002,600–3,650Aug 22, 1996
LA Roca SWD #1TX Engy Services, LLCPluggedDisposal—10,0001,600–2,400Feb 10, 2006
Javalina SWD #1US Liquids of la., L.PCancelledDisposal—10,0004,400–5,050May 20, 2013
Villarreal, R. #1Key Engy Services, LLCPluggedDisposal—6,0002,300–3,100Jan 22, 1986
Villareal, Rogelio #1Key Engy Services, LLCPluggedEnhanced recovery—6,0001,100–4,000Mar 25, 2005
Medina/Lozano #1Key Engy Services, LLCPluggedDisposal—6,0002,300–3,100Aug 12, 1997
Medina #1Med-Loz Lease Service, IncCancelledDisposal—6,0002,300–3,100Jul 10, 2001
Cantu, A. #1Cactus S.W.D. Inc.CancelledDisposal—5,0003,520–3,660Jun 17, 1982
King "B" #3 ASouthwest Texas Serv Div of TACancelledDisposal—5,0003,000–3,721Jul 23, 1987
Leonard #1TX Engy Services, LLCPluggedDisposal—5,0003,500–7,500Mar 26, 2008
LA Perla #128Conocophillips CoCancelledDisposal—5,0004,120–4,700Mar 6, 1992
LA Perla #70Conocophillips CoPluggedDisposal—5,0003,940–4,900Mar 3, 1992
Chihuahua Disposal System #1TX Engy Services, LLCPluggedEnhanced recovery—5,0002,760–3,300Mar 14, 2005
Rathmell, J. G. #8Merit Engy CoInactiveDisposal—5,0002,850–4,350Mar 29, 1999
Rathmell, J.G. #12Plains Expl & Prod. CoPluggedDisposal—5,0002,910–4,430Mar 29, 1999
Gutierrez, J.M.B. #1HNG Fossil Fuels CoPluggedEnhanced recovery—3,3002,650–2,800Jan 31, 1997
Gutierrez #1Key Engy Services, LLCPluggedDisposal—3,0004,150–5,350Jan 31, 1996
Escobas SWD #1Synergy Oil & Gas, L.PPluggedDisposal—3,0001,900–3,000Nov 30, 1995
Jennings #35WDPennzoil Expl & Prod. CoCancelledEnhanced recovery—3,0003,875–5,170Sep 22, 1998
Gutierrez, O. "B" #1Key Engy Services, LLCPluggedDisposal—3,0004,750–5,350Jul 11, 2002
Los Mesquites #3DDenali Oil & Gas Management, LLCCancelledDisposal—3,0002,500–3,200Mar 6, 2009
J. M. Sanchez Estate #4Gulf Oil CorpCancelledDisposal—2,5003,340–4,100Jun 20, 1978
E.t.martinez #2DGulf Oil CorpCancelledDisposal—2,5003,700–4,600May 4, 1978
Jennings, J. D. #504Sue-Ann Oper, L.CInactiveEnhanced recovery—2,5004,120–4,190Dec 13, 2017
Trevino, E. Mrs. -B- #35Engy 2000, IncCancelledOther—2,0001,208–1,279Jul 7, 1965
Jennings, J. D. #270WDS M K Engy CorpCancelledDisposal—2,0001,490–1,740Feb 3, 1984
Lalajita Ranch #1Embark Environmental Hldgs., LtdCancelledEnhanced recovery—2,0002,400–3,700Jun 18, 1997
Chihuahua Disp Syst. #1O. C. R. Investments, IncCancelledOther—2,0002,760–3,300May 16, 1995
Dominguez, D. B. "A" #2Embark Environmental Hldgs., LtdPluggedEnhanced recovery—2,0002,800–4,000Aug 29, 1997
Jennings, J. D. #420Sue-Ann Oper, L.CPluggedEnhanced recovery—2,0001,371–1,445Dec 5, 2003
Palmyra #1DCody Engy LLCCancelledEnhanced recovery—2,0002,550–3,800Jul 17, 2007
Morgenstern #1HNG Fossil Fuels CoCancelledDisposal—1,5003,750–4,330Sep 13, 1996
Ramirez SWD #1Dolphin Petroleum, LPPluggedDisposal—1,2002,600–3,700Sep 19, 1994
G. S. A. #11WIVillalon, J. Antonio, TrusteeCancelledEnhanced recovery—1,0001,174–1,184Aug 17, 1988
Fulbright, J. E. "G" #2Hughes, Dan A. Co, L.PPluggedDisposal—1,0001,900–2,020May 10, 1993
Benavides, Belia R. "B" #4Varas Energy Operating Company,InactiveDisposal—1,0003,400–4,500Dec 6, 2017
Lopeno #13XTO Engy IncPluggedDisposal—9002,090–2,400Jul 16, 1991
Chargos Creek "D" #1Zapata Oil Partners, L.L.C.PluggedEnhanced recovery—8501,632–1,652Feb 2, 2011
Jennings, J. D. #90S M K Engy CorpCancelledEnhanced recovery—7001,252–1,278Dec 29, 1982
Escobas -B-E- Unit #B 16Engy 2000, IncPluggedEnhanced recovery—7001,230–1,271Jun 30, 1986
Escobas -B-E- Unit #1618Engy 2000, IncPluggedEnhanced recovery—7001,212–1,224Jun 30, 1986
Escobas -B-E- Unit #1715Engy 2000, IncPluggedEnhanced recovery—7001,224–1,250Jun 30, 1986
Escobas -B-E- Unit #B 4McRae, Nathan RathburnCancelledEnhanced recovery—6001,227–1,244Nov 18, 1974
Escobas -B-E- Unit #B 21Engy 2000, IncPluggedEnhanced recovery—6001,214–1,244Nov 18, 1974
Escobas -B-E- Unit #B 27McRae, N. D. & N. R.CancelledEnhanced recovery—6001,216–1,250—
Escobas -B-E- Unit #B 29McRae, N. D. & N. R.CancelledEnhanced recovery—6001,223–1,249—
Escobas -B-E- Unit #I 25McRae, N. D. & N. R.CancelledEnhanced recovery—6001,229–1,259—
Zachry Fee #6Zachry, H. B. CoCancelledDisposal—6003,338–3,740Aug 7, 1981
Trevino -A- #68McRae, N. D. & N. R.CancelledOther—5001,251–1,274Jun 9, 1959
Jennings, J. D. #140DS M K Engy CorpCancelledDisposal—5001,270–1,525Oct 18, 1983
Garcia, Anastasio #63 TSynthetic Engy CorpCancelledEnhanced recovery—500173–178Jul 17, 1964
Garcia, Anastasio #74 MHolmes Oil, Inc.CancelledEnhanced recovery—500221–226Jul 17, 1964
Garcia, Anastasio #B 42Synthetic Engy CorpCancelledEnhanced recovery—500218–223Jul 17, 1964
Garcia, Anastasio #B 45Synthetic Engy CorpCancelledEnhanced recovery—500163–187Jul 17, 1964
Jennings, J. D. #55S M K Engy CorpCancelledOther—5001,271–1,377Apr 17, 1950
Jennings, J. D. #130S M K Engy CorpCancelledOther—5001,210–1,248Apr 17, 1950
Jennings, J. D. #131S M K Engy CorpCancelledOther—5001,226–1,261Apr 17, 1950
Jennings, J. D. #113S M K Engy CorpCancelledOther—5001,261–1,287Apr 17, 1950
Ramirez, Julian R., Est. -A- #4Finaly Res LLCPluggedEnhanced recovery—5001,010–1,050Aug 29, 1991
Garcia, Anastasio #3HSynthetic Engy CorpCancelledEnhanced recovery—500100–300Apr 24, 2007
Garcia, Anastasio #5HSynthetic Engy CorpCancelledEnhanced recovery—500100–300Apr 24, 2007
Haynes Mineral Trust #3Thrash Oil & Gas CoCancelledEnhanced recovery—4501,044–1,066Mar 2, 1987
Haynes Mineral Trust #E 11Thrash Oil & Gas CoCancelledEnhanced recovery—4501,015–1,045Mar 2, 1987
Haynes Mineral Trust #D 17Thrash Oil & Gas CoCancelledEnhanced recovery—4501,018–1,028Mar 2, 1987
Haynes Mineral Trust #D 53Thrash Oil & Gas CoCancelledEnhanced recovery—4501,130–1,150Mar 2, 1987
Haynes Mineral Trust #2Thrash Oil & Gas CoCancelledEnhanced recovery—450970–986Mar 2, 1987
Haynes Mineral Trust #D 8Thrash Oil & Gas CoCancelledEnhanced recovery—450884–904Mar 2, 1987
Jennings, J. D. #250WIS M K Engy CorpCancelledEnhanced recovery—4003,275–3,282Dec 20, 1971
Jennings, J. D. #261S M K Engy CorpCancelledEnhanced recovery—4003,284–3,302Dec 20, 1971
Jennings, J. D. #262S M K Engy CorpCancelledEnhanced recovery—4003,266–3,282Dec 20, 1971
Jennings, J. D. #280S M K Engy CorpCancelledEnhanced recovery—4003,257–3,272Dec 20, 1971
Jennings, J. D. #281S M K Engy CorpCancelledEnhanced recovery—4003,308–3,323Nov 6, 1972
Jennings, J. D. #285WIS M K Engy CorpCancelledEnhanced recovery—4003,288–3,294Nov 6, 1972

Latest disposal drilling permits

W-1 drilling permits in the county tagged as produced-water disposal.

IssuedPermitOperatorLease / well
Jan 7, 2013754019US Liquids of la., L.P.Javalina SWD #1 50536584
May 10, 2011715812Titan Vacuum Services, LLCZapata SWD #2 50531840
Sep 10, 2010701884Basic Energy Services, L.P.Zapata SWD #1 50536531
Aug 1, 2002522429Dominion Expl. & Prod., Inc.Guerra, Raul SWD #1 50534595
Aug 1, 2002522429Dominion Expl. & Prod., Inc.Guerra, Raul SWD #1 50534595
May 3, 1996447458Transtexas Gas CorporationRamirez, Maria V. SWD #4 50533439
May 3, 1996447458Transtexas Gas CorporationRamirez, Maria V. SWD #4 50533439
Oct 18, 1995440988Pennzoil Exploration & Prod. Co.Escobas SWD #1 50533363
Jul 22, 1994426191KCS Resources, Inc.Ramirez SWD #1 50533225
Mar 3, 1981110467Texas Oil & Gas Corp.Lopeno #13 D 50580446

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/zapata, documented in the API reference.