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 50 active injection and disposal wells, 14 of them permitted for disposal, with 387,860 barrels a day of permitted capacity.

Operators reported 36 million barrels injected on H-10 filings in the twelve months to June 2025, up 22% on the year before, about 26% of what the permits allow.

Evx Oper LLC is the largest injector in the county, with 13 million barrels reported across 4 active wells.

TexNet located 39 M2+ earthquakes in the county's area over the last two years, the largest M2.8.

50
active injection wells, 14 for disposal
388K
bbl/d permitted capacity
36.4M
bbl reported, H-10 year to Jun 2025 +22%
26%
of permitted capacity used
246
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 36,449,237 · prior 12 29,846,566(+22%)

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 Oper LLC12.5M4105K
Crosstex Environmental STX, LLC10.2M482K
Rhino Oper Co, LLC4.61M125K
C&e Prod, LLC2.23M125K
Saylee Services, LLC2.18M120K
Atlas Oper LLC1.7M940.3K
4020 SWD, LLC1.13M234K
Caribbean Engy LLC II792K13.5K
Rickaway Engy, Corp400K23.75K
Varas Energy Operating Company,181K110K
Field Petro Corp157K15K
Hawthorn Engy Ptrs, LLC150K1500
Wagner Oil Co144K12.5K
Bluebonnet Oil & Gas62.1K11.5K
Columbus Engy, LLC12.6K11.7K
Atkinson Operations LLC11.9K175
Los Hijos de Sanchez J LLC5.25K14K
Eldon Oil Co.3.15K120
Britanco, L.L.C13512.5K
Proline Energy Resources Inc—210K

Injection permits

246 UIC PERMITS · 50 ACTIVE · PAGE 1 OF 3

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
KHC SWD 1 #1Evx Oper LLCActiveDisposal7.2M30,0005,470–6,100Jan 2, 2019
Donnell SWD #1Evx Oper LLCActiveDisposal5.32M25,00010,000–11,000Mar 1, 2012
Rhino-Tilden 306 SWD #2Rhino Oper Co, LLCActiveDisposal4.61M25,00011,500–12,500Apr 30, 2013
Mutz SWD #2Crosstex Environmental STX, LLCActiveEnhanced recovery3.09M16,0005,000–6,000Feb 1, 2012
Mutz SWD #1Crosstex Environmental STX, LLCActiveEnhanced recovery3.04M16,0005,000–6,000Feb 1, 2012
Hwy 16 SWD A #1C&e Prod, LLCActiveDisposal2.23M25,00010,200–11,300Mar 10, 2015
Saylee Ranch SWD #1Saylee Services, LLCActiveEnhanced recovery2.18M20,0005,600–7,000Aug 22, 2012
McMullen SWD #1Crosstex Environmental STX, LLCActiveDisposal2.12M20,0004,265–6,500Jul 24, 2024
Fowlerton SWD #1Crosstex Environmental STX, LLCActiveDisposal1.91M30,0004,850–5,800Oct 16, 2018
Greenbranch SWD #2VI4020 SWD, LLCActiveEnhanced recovery1.13M20,0005,575–5,900Jul 1, 2022
Hodde, A.W. #5Atlas Oper LLCActiveEnhanced recovery843K3,6005,090–5,950Jun 27, 2012
South Texas Syndicate -A- #22Caribbean Engy LLC IIActiveEnhanced recovery792K3,5002,256–2,260May 6, 2011
Gubbels #36RRickaway Engy, CorpActiveEnhanced recovery304K3,0005,118–5,660Nov 6, 2017
Hardin SWD #1Varas Energy Operating Company,ActiveEnhanced recovery181K10,0004,950–5,129Jul 31, 2012
Rabke, Henry #3Atlas Oper LLCActiveEnhanced recovery161K1,2005,000–6,205Apr 24, 2009
Earl Baker #14WField Petro CorpActiveEnhanced recovery157K5,0001,710–2,580Mar 14, 2022
Rhode, D. W. -9- #1 CWagner Oil CoActiveEnhanced recovery144K2,5001,830–5,700Dec 23, 1999
Peeler #D 1Hawthorn Engy Ptrs, LLCActiveEnhanced recovery134K5005,376–5,548Mar 10, 2006
Kynette, P. #33Atlas Oper LLCActiveEnhanced recovery133K9,9753,000–3,638Oct 3, 2000
Swaim 60 #1Atlas Oper LLCActiveEnhanced recovery105K5,0005,000–6,166Sep 10, 2015
Kynette, P. #10Atlas Oper LLCActiveEnhanced recovery102K5,5003,010–3,090Oct 5, 2000
Kynette, P. #31Atlas Oper LLCActiveEnhanced recovery100K5,5002,976–3,072Oct 5, 2000
Kynette, P. #26Atlas Oper LLCActiveEnhanced recovery98.7K5,0002,977–2,983Feb 17, 1995
Gubbels #A 3Rickaway Engy, CorpActiveEnhanced recovery95.3K7505,133–5,375Nov 4, 1998
Powers-Swaim Unit #1RAtlas Oper LLCActiveEnhanced recovery76.2K3,0005,650–6,250Jul 21, 2015
Lindholm, Steve #1Bluebonnet Oil & GasActiveDisposal62.1K1,5002,818–2,890Feb 12, 2009
Schoeller, Kate #3Columbus Engy, LLCActiveEnhanced recovery12.6K1,7001,530–3,100Dec 31, 2024
Ezzell, Rose #2Atkinson Operations LLCActiveEnhanced recovery11.9K751,025–1,034Sep 5, 2019
Herrera, Gregorio et AL #6Atlas Oper LLCActiveEnhanced recovery6.76K1,5005,080–5,671Mar 26, 2009
Nine-Roos #3Los Hijos de Sanchez J LLCActiveDisposal5.25K4,0002,754–2,846Nov 28, 2001
Claunch, B. C. #2Eldon Oil Co.ActiveEnhanced recovery3.15K201,050–1,060Aug 9, 2005
Hagist Ranch #1SBritanco, L.L.CActiveEnhanced recovery1352,5003,000–3,900Apr 4, 2012
Milestone SWD #2Evx Oper LLCActiveDisposal—30,00010,500–12,100Jan 2, 2019
Tilden Hwy 72 #1Evx Oper LLCActiveEnhanced recovery—20,00011,000–12,500Apr 25, 2012
GB East #2D4020 SWD, LLCActiveEnhanced recovery—14,0005,650–6,200Dec 12, 2024
Edrington, H. C. Est. -I- #31Proline Energy Resources IncActiveDisposal—7,0003,200–4,100Dec 16, 1982
Morrill #1RPetrotx Oper, LLCActiveEnhanced recovery—5,0006,284–6,346Jan 18, 2006
Roos Gas Unit #2Proline Energy Resources IncActiveDisposal—3,0001,900–2,340Jul 27, 1989
Tilden Gpi #1Etc Texas P/L, LtdActiveEnhanced recovery—1,6405,870–6,800Oct 13, 2025
Texaco Gouger Fee #2Texas, Les & CoActiveEnhanced recovery—9001,960–1,990Oct 1, 2004
Devil's Waterhole Unit #L 8Nitro Oil & Gas, LLCActiveEnhanced recovery—8006,950–7,020Apr 28, 2009
Zappe #1Jura Engy Oper LLCActiveDisposal—8002,890–2,920May 5, 2000
Peeler, Graves #4Thalmann OilfieldActiveEnhanced recovery—3006,446–6,456Sep 16, 2005
Lima Tango CCS #1BKV Dcarbon Ventures, LLCActiveDisposal——3,508–4,870Apr 11, 2025
Scott Foundation #1L.T.D. Explorations IncActiveEnhanced recovery—1,0002,614–3,158Feb 27, 2026
South Texas Syndicate #1120Blue Flame Oper Co LLCActiveEnhanced recovery—5005,524–5,550Sep 24, 1987
South Texas Syndicate #2020Blue Flame Oper Co LLCActiveEnhanced recovery—5005,540–5,575Jul 16, 2009
Matula, Robert #1CTexas Secondary Oil CorpActiveDisposal—100514–590Jan 5, 1983
Bek Unit #1HMurphy Expl. & Prod. Co. - USAActiveEnhanced recovery——10,267–10,275May 19, 2020
Edwards Unit #1HMurphy Expl. & Prod. Co. - USAActiveEnhanced recovery——10,362–10,406Jul 7, 2020
Kynette, P. #5Atlas Oper LLCCancelledEnhanced recovery76.8K5,5003,010–3,090Oct 5, 2000
Harris, Martin #13AHawthorn Engy Ptrs, LLCCancelledEnhanced recovery16K3,0005,720–5,730Feb 28, 2003
Edwards SWD #1HSparkman Engy, LLCInactiveDisposal—35,00012,100–13,000Dec 18, 2013
East McMullen SWD #1Caturus Engy, LLCInactiveEnhanced recovery—30,0006,650–8,750Mar 31, 2025
GB East #1D4020 SWD, LLCInactiveEnhanced recovery—14,0005,650–6,200Dec 12, 2024
LP SWD #1HGulftex Engy, LLCInactiveDisposal—7,5005,000–6,000Apr 6, 2026
Kynette, P. #32Atlas Oper LLCInactiveEnhanced recovery—5,0002,572–3,250Oct 14, 2019
Hostetter SWD #1Varas Energy Operating Company,CancelledDisposal—2,0003,880–3,900Jul 9, 2008
Rhino-Tilden 306 SWD #1Rhino Oper Co, LLCCancelledEnhanced recovery—25,0009,700–9,810Mar 20, 2012
Choke Canyon SWD No. #1Cohort Petro Management, LLCCancelledDisposal—25,00011,700–13,000Feb 17, 2015
Cameron Lane SWD #2Choya Oper, LLCCancelledEnhanced recovery—25,0005,200–5,900May 7, 2015
Cameron Lane SWD #1Choya Oper, LLCCancelledEnhanced recovery—25,0005,200–5,900May 11, 2015
Antrim SWD #1Clear Water Resources LLCCancelledDisposal—25,00010,780–11,780Oct 19, 2015
Hwy 16 SWD No. 2 #2C&e Prod, LLCCancelledEnhanced recovery—25,0005,050–6,000Mar 23, 2019
Tilden FM 3445 #1Pyote Water Systems II, LLCCancelledEnhanced recovery—20,00011,000–12,500Feb 22, 2012
Peeler SWD #1Pyote Water Systems II, LLCCancelledDisposal—20,00010,300–11,050Oct 26, 2012
KHC SWD #2Evx Midstream Ptrs LLCPluggedDisposal—20,0005,470–6,100Jun 10, 2015
Dickinson, J. H. #4Escondido Res II, LLCCancelledEnhanced recovery—20,00011,395–11,460Sep 17, 2013
Tilden SWD #1BD Oper, LLCCancelledDisposal—20,00011,900–13,000May 5, 2017
Shale Water SWD #1Shale Water Disposal LLCCancelledDisposal—15,00012,100–13,000Sep 22, 2015
Harris, Martin #19AHawthorn Engy Ptrs, LLCCancelledEnhanced recovery—10,0005,700–6,300May 29, 2003
Edrington, H. C. Est. -I- #18Petrus Oil Co, L.PCancelledDisposal—8,0001,900–2,050Mar 9, 1982
Jerry Rackley #1Thompson & BaggettCancelledDisposal—7,5001,450–1,700Mar 18, 1982
Kynette, P. #28Pioneer Expl, LLCPluggedEnhanced recovery—5,5003,022–3,090Aug 5, 1999
Kynette, P. #2Pioneer Expl, LLCPluggedEnhanced recovery—5,5003,010–3,090Oct 5, 2000
Kynette, P. #7Atlas Oper LLCInactiveEnhanced recovery—5,5003,010–3,090Oct 5, 2000
Kynette, P. #27WPhoenix Fund, IncCancelledEnhanced recovery—5,0002,585–2,600Dec 14, 1988
Gouger, H. E. Fee NCT /1/ #4Texaco IncCancelledDisposal—5,0002,844–2,920Oct 18, 1982
South Campana SWD O/A #4Texaco E & P IncCancelledDisposal—5,0002,794–2,950Feb 10, 1984
South Campana SWD O/A #5Texaco E & P IncCancelledDisposal—5,0001,994–2,200Jan 9, 1984
Gouger, H. E. Fee NCT-9 #11Simray Oil & Gas, IncCancelledDisposal—5,0003,250–3,750Mar 27, 1987
Kynette, P. #18WSTZ Petro IncCancelledEnhanced recovery—5,0002,620–2,630Dec 19, 1990
Kynette, P. #12STZ Petro IncCancelledDisposal—5,0002,660–2,675Nov 24, 1992
Kynette, P. #9Pioneer Expl CoCancelledEnhanced recovery—5,0001,957–1,977Jan 8, 1991
Kynette, P. #17Pioneer Expl, LtdCancelledEnhanced recovery—5,0002,998–3,000Mar 11, 1993
Kynette, P. #14Pioneer Expl, LtdCancelledEnhanced recovery—5,0003,009–3,010Feb 17, 1995
Morrill #1RDelta Expl Co, IncCancelledEnhanced recovery—5,0006,284–6,346Jan 18, 2006
Bracken et AL #87Varas Energy Operating Company,InactiveEnhanced recovery—5,0009,838–9,910Jun 25, 2012
Bracken et AL #72Varas Energy Operating Company,InactiveEnhanced recovery—5,0009,936–9,986Aug 8, 2012
South Campana SWD O/A #3Texaco E & P IncCancelledOther—5,0003,028–3,120Nov 20, 1972
Baker "4" #3Field Petro CorpInactiveEnhanced recovery—5,0001,870–3,557Aug 23, 2021
Kynette, P. #11Pioneer Expl CoCancelledEnhanced recovery—4,0003,023–3,024May 28, 1997
Driggs, J. P. #5Gonzalez, Elia G. Mineral TrustPluggedEnhanced recovery—4,0001,585–2,260Jul 22, 1997
South Texas Syndicate -B- #32Whiting Oil and Gas CorpPluggedEnhanced recovery—3,5001,900–2,400Apr 1, 1993
South Campana Swdo/A #7Texaco E & P IncCancelledDisposal—3,5001,950–2,200Jun 14, 1994
South Campana SWD O/ #6Texaco E & P IncCancelledDisposal—3,5001,980–2,175Jul 19, 1994
SBR SWD #1Swift Engy Oper, LLCPluggedDisposal—3,5006,400–6,600Mar 17, 1998
Atkinson, J. W. -A- #4Pennzenergy Exp. & Prod., L.L.CPluggedEnhanced recovery—3,5001,780–4,030Apr 16, 2007
Martin State Gas Uni #1DColumbus Engy, LLCInactiveEnhanced recovery—3,5002,270–2,295Jan 13, 2026
Edrington, H. C. Est. -I- #26Petrus Oil Co, L.PCancelledDisposal—3,0001,900–2,400Mar 20, 1963

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 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/mcmullen, documented in the API reference.