Petrora

WATER · MCMULLEN COUNTY

Produced water and disposal in McMullen 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 →

McMullen County has 52 active injection and disposal wells, 44 of them permitted for disposal, with 421,360 barrels a day of permitted capacity.

Operators reported 36 million barrels injected on H-10 filings in the twelve months to September 2025, up 14% on the year before, about 24% of what the permits allow.

Evx Operating LLC is the largest injector in the county, with 12 million barrels reported across 4 active wells.

37 M2+ earthquakes were located in the county's area over the last two years, the largest M2.8.

52
active injection wells, 44 for disposal
421K
bbl/d permitted capacity
36.2M
bbl reported, H-10 year to Sep 2025 +14%
24%
of permitted capacity used
246
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO SEP 2025

Last 12 months 36,206,472 · prior 12 31,802,114(+14%)

02M4M2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
Evx Operating LLC12.1M4105K
Crosstex Environmental STX, LLC10.1M482K
Rhino Operating Company, LLC5.32M125K
Saylee Services, LLC2.26M120K
Atlas Operating LLC1.7M940.3K
C&e Production, LLC1.67M125K
4020 SWD, LLC1.16M234K
Caribbean Energy LLC II789K13.5K
Rickaway Energy, Corp.373K23.75K
Varas Energy Operating Company,199K110K
Field Petroleum Corp.149K15K
Hawthorn Energy Partners, LLC142K1500
Wagner Oil Company102K12.5K
Bluebonnet Oil & Gas62.1K11.5K
Atkinson Operations LLC14.3K175
Columbus Energy, LLC13K25.2K
Eldon Oil Co.3.45K120
Los Hijos de Sanchez J LLC2.99K14K
Britanco, L.L.C.68012.5K
Caturus Energy, LLC—130K

Injection permits

246 UIC PERMITS · 52 ACTIVE · PAGE 2 OF 3

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Gordon, Robert K. #1AWhitesands Resources, L.L.C.PluggedDisposal—3,0001,590–1,870Nov 21, 2011
L. S. McClaugherty GU #1Swift Energy CompanyCanceledDisposal—3,00011,680–11,800Mar 20, 1997
Ruckman Deep Gas Unit #1 DCinco Natural Resources Corp.PluggedDisposal—3,0004,005–4,100Jun 15, 2004
Dickinson #1Escondido Resources II, LLCPluggedDisposal—3,0005,740–6,200Mar 29, 2007
Roos, Lorene Willis #4Pearl, Bill H. Productions, Inc.PluggedDisposal—2,5003,800–4,150Jan 30, 1976
Roos, R. C. #9DKW Energy, Inc.PluggedDisposal—2,5002,694–2,699May 19, 1975
Dilworth, J. C. Jr. #2DExxon Corp.CanceledDisposal—2,5004,770–5,115Mar 23, 1994
Baker, Myla, Estate #4Cimarex Energy Co. of ColoradoPluggedDisposal—2,5002,900–3,191Apr 14, 1980
Dilworth, J.C. Jr. #3Remora Operating, LLCCanceledDisposal—2,5005,720–5,741Mar 16, 1981
Dilworth, J.C. Jr. #2Hilcorp Energy CompanyCanceledDisposal—2,5004,900–5,435Mar 30, 2004
Kynette, P. #28WMobil Producing TX. & N.M. Inc.CanceledEnhanced recovery—2,0003,022–3,044Jun 25, 1980
Gouger, H. E. NCT-9 #1Texaco E & P Inc.CanceledDisposal—2,0003,800–4,000May 9, 1977
Rhode, D. W. -18- #3Columbus Energy, LLCPluggedDisposal—2,0001,700–4,260Mar 17, 1992
Devil's Waterhole Unit #6Ramtex Energy LLCCanceledDisposal—2,0003,754–3,848Sep 3, 1982
Gouger, H. E. Fee NCT-9 #1Texaco Inc.CanceledDisposal—2,0003,800–4,000May 9, 1977
Gubbels #28Enerquest Operating L.L.C.PluggedDisposal—2,0005,010–5,390Jan 31, 1996
Earl Baker #4ARutherford Oil CorporationCanceledDisposal—2,0004,157–4,172Jun 14, 1988
Harris, Martin R. et Al #19Delray Oil, Inc.CanceledEnhanced recovery—2,0006,216–6,226Jul 31, 1995
Roark, H. M. -A- #2Wynn-Crosby Operating, Ltd.CanceledDisposal—1,6005,921–5,931Oct 14, 1985
Berry #1SWOrca Operating Company, LLCPluggedEnhanced recovery—1,6001,460–1,520Jan 3, 2014
Herrera, Gregorio #2Ncey Holdings, LLCPluggedDisposal—1,5004,800–5,500May 19, 2000
Gordon, Robert K. #1AWRoyal Oil & Gas Corp.CanceledDisposal—1,5003,450–3,725Oct 3, 1986
Jambers #2COmega Energy, LLCCanceledDisposal—1,5005,771–5,779Sep 15, 1999
Hagist Ranch #2Britanco, L.L.C.PluggedDisposal—1,5003,800–4,100Apr 23, 2012
Gubbels, Louis M. #14Exxon Corp.CanceledDisposal—1,4005,029–5,345Jan 31, 1994
Kynette, P. #19Pioneer Exploration CompanyCanceledEnhanced recovery—1,2002,976–2,977Feb 12, 1968
Kynette, P. #21STZ Petroleum Inc.CanceledEnhanced recovery—1,2002,995–2,999Feb 12, 1968
Rives Trust #2Umma Resources, LLCCanceledDisposal—1,2004,527–4,564Jan 26, 1996
Acker #1ACimarron Engineering, LLCPluggedDisposal—1,2001,574–1,843Dec 30, 1992
Ezzell Unit #M 38Paisano Minerals CompanyCanceledDisposal—1,0001,535–1,543Oct 5, 1967
Baker, Earl #2WDRutherford Oil CorporationPluggedDisposal—1,0002,100–2,750Mar 12, 1975
Rhode, D. W. et al -11- #2Petrus Oil Company, L.P.CanceledDisposal—1,0007,300–7,700Dec 30, 1971
Edrington, H.C. Estate -T- #3Pearl, Bill H. Productions, Inc.CanceledDisposal—1,0003,200–4,200Mar 15, 1966
Kassner Energy Management, LLC #12AOutline Oil Company LLCCanceledEnhanced recovery—1,0005,000–5,720Oct 14, 1994
Atkinson, J. W. -A- #6Devon Energy Production Co, L.P.PluggedDisposal—1,0001,930–1,970Aug 14, 1996
Kassner Energy Management, LLC #11AOutline Oil Company LLCCanceledDisposal—1,0005,419–5,421May 17, 2004
Driggs, J. P. #1Trium, Ltd.PluggedDisposal—1,0002,060–3,033Apr 27, 2006
Texaco Gouger Fee A #7Petroleum Developments Int LLCInactiveEnhanced recovery—1,0001,950–2,000Aug 23, 2011
E Baker 'A' #14Rutherford Oil CorporationCanceledDisposal—1,0001,718–2,400May 7, 2015
Gouger, H. E., Fee NCT-1 #16Texaco E & P Inc.CanceledDisposal—9001,964–1,978—
Lindholm, Steve #2Stout Consulting Services, Inc.CanceledDisposal—9002,830–2,850Oct 23, 1986
Driggs, J. P. #3Gonzalez, Elia G. Mineral TrustPluggedDisposal—7502,250–2,300Jan 3, 1984
Morrill #10WCSL Exploration, LPCanceledDisposal—7505,916–5,958Oct 24, 2016
Lark "F" #10Bergman & KinsCanceledEnhanced recovery—7001,117–1,122Nov 29, 1965
Gouger, H. E. Fee NCT-9 #10Texaco Inc.CanceledDisposal—6002,034–2,063Feb 16, 1961
Lindholm, Steve #2Bluebonnet Oil & GasInactiveDisposal—6002,844–2,860Sep 6, 1989
Lindholm, Steve #4H-M Resource Management, Inc.PluggedDisposal—6002,838–2,860Sep 6, 1989
Frost National Bank, Etal #14Merta, MikeCanceledEnhanced recovery—600499–506Oct 30, 1992
Atkinson, J.W. #3DDevon Louisiana CorporationCanceledDisposal—5002,470–2,520Aug 20, 1985
Burkett #2Fina Oil & Chemical CompanyCanceledDisposal—5001,015–1,900Aug 11, 1989
Renshaw Unit #1Sun Expl. & Prod. Co.-CorpusCanceledDisposal—5003,862–3,892Aug 30, 1985
Wheeler -B- #11Welhausen Operating Company, LPCanceledEnhanced recovery—5001,142–1,149Jul 22, 1999
Wheeler -B- #13Welhausen Operating Company, LPCanceledEnhanced recovery—5001,125–1,131Jul 22, 1999
South Texas Syndicate #7020B.P. Productions Inc.PluggedEnhanced recovery—5005,520–5,560Feb 4, 2010
Ezzell Unit #H 4Paisano Minerals CompanyCanceledDisposal—4351,455–1,465Jun 27, 1955
Ezzell Unit #H 14Paisano Minerals CompanyCanceledDisposal—4351,455–1,470Jun 27, 1955
Ezzell Unit #H 33Paisano Minerals CompanyCanceledDisposal—4351,458–1,470Jun 27, 1955
Ezzell Unit #H 35Paisano Minerals CompanyCanceledDisposal—4351,490–1,500Jun 27, 1955
Devil's Waterhole Unit #L 13S & S EnergyCanceledDisposal—4007,020–7,040—
Lark /80 Ac./ #4Indian Oil Ltd.CanceledDisposal—4001,020–1,027Jul 3, 2008
Lindholm #2Warrior Management Co.CanceledDisposal—4003,810–4,300Jul 12, 1982
Frost, J.H. #1Janssen, Wayne AllenCanceledDisposal—4002,500–3,000Mar 6, 1968
Wheeler -B- #10Welhausen Operating Co., Inc.CanceledDisposal—300530–768Apr 19, 1972
Rhode #1Rhode, Alfred B.CanceledDisposal—3002,364–2,374May 29, 1987
Wheeler, Charles #14Welhausen Operating Co., Inc.CanceledDisposal—3001,036–1,044May 30, 1985
Wheeler, Charles #11Welhausen Operating Co., Inc.CanceledEnhanced recovery—3001,024–1,034Sep 18, 1986
Wheeler, Clifton -B- #1Welhausen Operating Co., Inc.CanceledEnhanced recovery—3001,050–1,250Apr 29, 1969
H. L. Lark #5Del-KO Oil CompanyCanceledDisposal—3001,093–1,097May 2, 1975
Dilworth, J. C. #7Walking X Oil Co.CanceledDisposal—2505,260–5,280Mar 13, 1987
Wheeler -B- #14Welhausen Operating Co., Inc.CanceledEnhanced recovery—2001,176–1,187Dec 10, 1975
Atkinson, J.W. "B" #2Breck Operating Corp.CanceledDisposal—2006,872–6,875Feb 9, 1983
Wheeler, Charles #9Welhausen Operating Company, LPPluggedEnhanced recovery—2001,020–1,026Jan 10, 1989
Wheeler, Charles #10Sparkman Energy, LLCPluggedEnhanced recovery—2001,030–1,040Jan 10, 1989
Wheeler, Charles #13Sparkman Energy, LLCPluggedEnhanced recovery—2001,006–1,018Jan 10, 1989
Wheeler, Clifton -B- #6BSparkman Energy, LLCPluggedEnhanced recovery—2001,073–1,078Apr 12, 1989
Wheeler, Clifton -B- #3Welhausen Operating Co., Inc.CanceledEnhanced recovery—2001,036–1,050Apr 12, 1989
Wheeler -B- #6Capitol Resources, Inc.PluggedEnhanced recovery—2001,176–1,187Dec 10, 1975
Ebert, George M. Unit #1Cotton, W. L.CanceledDisposal—1501,900–1,975Jan 19, 1987
Henry, J.B. #7Acock/Anaqua Operating Co., LPPluggedDisposal—1505,496–5,576Mar 31, 1994
Wheeler, Clifton -B- #4Welhausen Operating Co., Inc.CanceledEnhanced recovery—1201,043–1,048Aug 21, 1978
Lark, Charles #6Lagerquist, Walter G., Jr.CanceledEnhanced recovery—100933–938—
Ezzell Unit #M 82Paisano Minerals CompanyCanceledEnhanced recovery—1001,456–1,485Dec 22, 1980
Ezzell Unit #M 22Paisano Minerals CompanyCanceledEnhanced recovery—1001,456–1,485Dec 22, 1980
Smith, Horace #1Petro-Guard Production,l.l.c.PluggedEnhanced recovery—100893–912Jul 23, 1985
Ezzell Unit #M 11Paisano Minerals CompanyCanceledEnhanced recovery—1001,456–1,485Dec 22, 1980
Calliham Estate #2Freer Oil Co.CanceledDisposal—100729–730Sep 2, 1977
Ezzell #4Eldon Oil Co.CanceledDisposal—80995–1,006Dec 23, 1992
Ezzell #3Burkhardt, A. L.PluggedEnhanced recovery—601,050–1,060Jun 10, 1968
Leonard Jacob Corp. #A 23Loma Oil CompanyPluggedEnhanced recovery—50976–979—
Leonard Jacob Corp. #A 52Loma Oil CompanyCanceledDisposal—50962–966Dec 16, 1957
Leonard Jacob Corp. #A 54Loma Oil CompanyPluggedEnhanced recovery—50962–966—
Braman #8GLG Oil & Gas Corp.CanceledDisposal—50975–985Sep 20, 1982
Lark, Charles #9CLagerquist, Walter G., Jr.CanceledDisposal—50960–970Feb 4, 1988
Lark, Charles #7BLagerquist, Walter G., Jr.PluggedDisposal—50962–966Feb 4, 1988
Claunch #2Bellows, RichardCanceledEnhanced recovery—431,050–1,070Jun 2, 1975
Stitz #9DBellows & DusekPluggedDisposal————
Lark San Mateo #6ALagerquist, Walter G., Jr.CanceledEnhanced recovery———Jan 8, 1982
South Campana SWD O/A #1Texaco Inc.CanceledDisposal————
Ezzell Unit #H 7Paisano Minerals CompanyCanceledDisposal——1,500–1,507Nov 16, 1953
Ezzell Unit #H 30Paisano Minerals CompanyCanceledDisposal——1,500–1,507Nov 16, 1953

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
May 14, 2026915586Gulftex Energy, LLCLP SWD #1 31137684
Jan 27, 2026913086Evx Operating LLCMilestone SWD #2 31136918
Jan 8, 2025905026Kimmeridge Texas Gas, LLCEast McMullen SWD #1 31137575
Jan 9, 2019848362Evx Midstream Partners LLCMilestone SWD #2 31136918
Jan 9, 2019848362Evx Midstream Partners LLCMilestone SWD #2 31136918
Jul 23, 2015808530C&e Production, LLCHwy 16 SWD A #1 31136552
Jun 30, 2015807837High Roller Wells, L.L.C.Highway 72 SWD #1 31136539
Mar 12, 2015804450Cohort Petroleum Management, LLCChoke Canyon SWD #1 31136456
Aug 6, 2014790592Sparkman Energy, LLCEdwards SWD #1H 31136154
Aug 6, 2014790592Sparkman Energy, LLCEdwards SWD #1H 31136154

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/mcmullen, documented in the API reference.