Petrora

WATER · GALVESTON COUNTY

Produced water and disposal in Galveston 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 →

Galveston County has 31 active injection and disposal wells, 22 of them permitted for disposal, with 155,050 barrels a day of permitted capacity.

Operators reported 1.8 million barrels injected on H-10 filings in the twelve months to June 2025, up 58% on the year before, about 3% of what the permits allow.

Hilcorp Energy Company is the largest injector in the county, with 829,469 barrels reported across 7 active wells.

31
active injection wells, 22 for disposal
155K
bbl/d permitted capacity
1.8M
bbl reported, H-10 year to Jun 2025 +58%
3%
of permitted capacity used
185
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 1,796,253 · prior 12 1,135,676(+58%)

0200K400K600K2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
Hilcorp Energy Company829K747K
Gcows Operating LLC519K34.3K
Big Lake Corporation206K34.5K
Sandpoint Texas LLC81.4K59.3K
Houston Oil Prod Enterprises,inc71.9K11.75K
Home Petroleum Corp.36.3K11K
Elliott Oil Company, L.P.32.5K12.5K
Nordstrand Engineering, Inc.17.9K14K
Quidnet Energy Deployment LLC1.6K14K
Promise Energy Operations, LLC—766.7K
Black Water Environmental L.L.C.—110K

Injection permits

185 UIC PERMITS · 31 ACTIVE · PAGE 1 OF 2

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Trust #1Hilcorp Energy CompanyActiveDisposal592K5,0003,570–5,000Apr 12, 2024
Stewart, Maco -a- 300 #5Gcows Operating LLCActiveDisposal264K2,4002,800–7,410May 8, 1968
Stewart, Maco -a- 300 #2Gcows Operating LLCActiveDisposal255K7002,400–7,400May 17, 2016
Rubel SWD #1Hilcorp Energy CompanyActiveEnhanced recovery238K10,0003,500–6,300Nov 12, 2018
Cade, E. K. #67Big Lake CorporationActiveDisposal154K1,5006,648–7,285Jun 7, 2016
Moody Estate #2ASandpoint Texas LLCActiveDisposal70.9K8005,041–6,454May 17, 1999
Cade, E. K. #140Big Lake CorporationActiveDisposal51.7K1,5006,345–7,820Dec 3, 2014
Camp Wallace #2Houston Oil Prod Enterprises,incActiveDisposal51.4K1,7504,000–6,900Sep 16, 2015
Halls Bayou Ranch #2Home Petroleum Corp.ActiveDisposal36.3K1,0001,800–3,050Mar 22, 1996
Evans Unit #1Elliott Oil Company, L.P.ActiveDisposal32.5K2,5002,300–4,000Apr 28, 2017
Thompson Trustee #4WNordstrand Engineering, Inc.ActiveDisposal17.9K4,0002,500–3,800Apr 4, 2019
McNeill "A" #6Sandpoint Texas LLCActiveEnhanced recovery5.77K1,7002,420–3,000Nov 19, 2012
Cade, E. Ker -a- R/a -A- #309Sandpoint Texas LLCActiveEnhanced recovery4.73K2,8003,469–3,520Nov 16, 2012
Sunny Ernst GU 1 #3Quidnet Energy Deployment LLCActiveDisposal1.6K4,0002,000–3,000Oct 22, 2012
Houston Farms #1ABlack Water Environmental L.L.C.ActiveDisposal—10,0002,250–2,900Apr 4, 2000
Franks /8900 Sand/ Unit #2801Hilcorp Energy CompanyActiveEnhanced recovery—10,0008,970–9,070Jan 13, 2006
Trust Unit #3Hilcorp Energy CompanyActiveEnhanced recovery—10,0008,892–8,940Sep 17, 2024
Krovetz Mineral Fee et al Unit #1Hilcorp Energy CompanyActiveDisposal—6,0005,900–6,785Jun 24, 2003
Franks /8900 Sand/ Unit #1101Hilcorp Energy CompanyActiveDisposal—3,0003,870–4,280Sep 28, 1988
Cade, E. Ker -a- R/a -A- #190Sandpoint Texas LLCActiveEnhanced recovery—3,0001,350–4,500Nov 19, 2012
Trust #1DHilcorp Energy CompanyActiveDisposal—3,0001,750–2,430Apr 19, 2013
Stewart, Maco #7 #7Gcows Operating LLCActiveDisposal—1,2003,350–6,420Aug 31, 1987
Smith, Charlotte E. R/a -B- #45Sandpoint Texas LLCActiveDisposal—1,0002,000–4,500Feb 24, 1993
South Gillock Unit #13Promise Energy Operations, LLCActiveEnhanced recovery—25,0005,950–9,018Apr 8, 2011
South Gillock Unit #39Promise Energy Operations, LLCActiveEnhanced recovery—25,0005,950–9,114Mar 25, 2010
South Gillock Unit #28Promise Energy Operations, LLCActiveEnhanced recovery—7,5008,000–9,180Aug 29, 2008
South Gillock Unit #56Promise Energy Operations, LLCActiveDisposal—4,0002,000–7,050Mar 12, 1984
South Gillock Unit #2DPromise Energy Operations, LLCActiveDisposal—2,0004,000–6,900Aug 15, 1980
South Gillock Unit #1DPromise Energy Operations, LLCActiveDisposal—2,0002,000–6,800May 29, 1984
Obrien, Erin, Etal, Unit 1 #3Big Lake CorporationActiveDisposal—1,5007,302–7,440Dec 4, 2025
State - Kohfeldt Unit #16Promise Energy Operations, LLCActiveDisposal—1,2003,700–6,800Mar 3, 1976
Cade, E. K. #49Houston Oil Prod Enterprises,incCanceledDisposal11.8K1,5006,490–7,130Jun 3, 2014
Obrien, Erin, Etal, Unit 1 #2Houston Oil Prod Enterprises,incCanceledDisposal8.69K1,5007,394–7,622Oct 18, 2013
Franks /8900 Sand/ Unit #1201Hilcorp Energy CompanyPluggedDisposal—6,0005,470–6,310Dec 18, 2019
Cade, E. K. #43Houston Oil Prod Enterprises,incPluggedDisposal—1,2007,114–7,144Jan 5, 2015
Delee Unit #3Secondary Gas Recovery Inc.CanceledDisposal—30,0001,950–6,173Mar 5, 1985
Thompson Trustee #3Nordstrand Engineering, Inc.PluggedDisposal—25,0001,950–6,800May 14, 1987
South Gillock Unit #91Promise Energy Operations, LLCInactiveEnhanced recovery—25,0009,030–9,095May 6, 2011
Thompson Trustee #2 DHilcorp Energy CompanyCanceledDisposal—20,0001,450–5,930Nov 1, 1984
West Hasting Unit #9401MW Petroleum CorporationCanceledDisposal—15,0001,850–5,200Mar 4, 1987
Prets #2Hilcorp Energy CompanyCanceledDisposal—15,0001,950–4,000May 12, 1988
Delee Unit #1Hilcorp Energy CompanyCanceledDisposal—15,0002,550–6,350Oct 7, 1991
Wade #2Hitchcock SWD CorporationCanceledEnhanced recovery—15,0001,700–4,470Sep 13, 2006
West Hasting Unit #9405DMW Petroleum CorporationCanceledDisposal—12,0001,800–5,300Feb 17, 1982
Houston Oil & Minerals Corp. #1DHouston Oil & Minerals Corp.CanceledDisposal—10,0004,400–4,750Oct 1, 1979
Haden, R. D. #5DExxon Corp.CanceledDisposal—10,0002,300–4,300Oct 31, 1994
Tacquard, A. E. #2Lindenmuth & Associates, Inc.CanceledEnhanced recovery—10,00012,218–12,290May 27, 1988
Miller SWD #2603XTO Energy Inc.PluggedEnhanced recovery—10,0002,940–6,840Feb 14, 2008
Halls Bayou Ranch, Tr. 4 Unit #1DTepco Resources, Inc.CanceledDisposal—10,0002,200–2,513Jul 16, 1990
Franks /8900 Sand/ Unit #1901Hilcorp Energy CompanyPluggedEnhanced recovery—10,0008,949–8,957Nov 9, 2005
Moody National Bank #1Hilcorp Energy CompanyPluggedDisposal—10,0005,000–6,650Sep 22, 2005
Franks /8900 Sand/ Unit #1602Hilcorp Energy CompanyInactiveEnhanced recovery—10,0008,947–8,989Oct 28, 2005
Haden, R. D. #3DExxon Corp.CanceledDisposal—8,8351,800–3,010Jan 20, 1954
Wade #1Hitchcock SWD CorporationPluggedDisposal—8,0001,700–2,400May 5, 2004
Rice Estate #1Magnum Producing & Operating Co.CanceledDisposal—8,0002,550–6,300Feb 15, 1985
Delee Unit #2Secondary Gas Recovery Inc.CanceledDisposal—8,0005,140–6,000Nov 1, 1984
South Gillock Unit #16Denbury Onshore, LLCCanceledEnhanced recovery—7,5008,200–8,655Sep 5, 1997
San Leon Unit SWD #1Fieldwood Onshore LLCPluggedDisposal—7,5003,990–5,750Oct 15, 1999
South Gillock Unit #52DDenbury Onshore, LLCCanceledDisposal—6,0004,000–6,450Jun 27, 1979
South Gillock Unit #55Amoco Production CompanyCanceledDisposal—6,0001,800–5,000Dec 27, 1978
South Gillock Unit #68Amoco Production CompanyCanceledDisposal—6,0002,350–4,400Sep 21, 1979
Wilkens/Ernst #101SWPolaris Enterprises IncCanceledDisposal—6,0002,000–4,000Oct 17, 1990
Franks /8900 Sand/ Unit #1701Hilcorp Energy CompanyPluggedDisposal—6,0005,400–6,300Dec 22, 2008
H.B.R. State Royalty Unit #1DMobil Producing TX. & N.M. Inc.CanceledDisposal—6,0002,200–2,500Feb 13, 1990
Franks /8900 Sand/ Unit #1401Hilcorp Energy CompanyInactiveDisposal—6,0005,400–6,500Nov 21, 2011
State - Kohfeldt Unit #17Amoco Production CompanyCanceledOther—5,2006,730–6,740—
State Tract 343 #1DGalveston Bay Operating Co LLCCanceledDisposal—5,0002,800–2,856Aug 1, 1979
Green,s.h. #2SWHilcorp Energy CompanyPluggedDisposal—5,0002,100–2,500Apr 8, 2003
Hudnall, Zinn & Foreman #3Cavern Consultants, Inc.PluggedDisposal—5,0002,000–3,500Sep 23, 1991
Zinn & Forman #5Vast Oil TX Operating LLCCanceledDisposal—5,0002,900–3,318Oct 26, 2001
Bayou Development B #1Fourth Floor Operating LLCCanceledDisposal—5,0003,300–6,700Feb 25, 1993
Bayou Development B #7Columbus Energy, LLCInactiveDisposal—5,0003,300–6,700Mar 8, 1993
Tacquard Unit #1 RGasper Rice Resources, Ltd.CanceledDisposal—5,0002,030–4,350May 13, 1994
Smith, George E. #35Brandt Energy Environmental, L.PCanceledDisposal—5,0002,100–2,900Mar 2, 1998
Smith, George E. B/C #33Energy Environmental, LLCCanceledDisposal—5,0002,400–2,950Sep 23, 1998
Smith, George E. #33ABrandt Energy Environmental, L.PCanceledDisposal—5,0002,400–2,950Jun 16, 1999
Stewart, Maco /a/ 390 #1Denbury Onshore, LLCPluggedEnhanced recovery—5,0008,250–8,532May 30, 2008
State Tract 343 #14Tekoil and Gas Gulf Coast, LLCCanceledEnhanced recovery—5,0005,360–5,900Jun 9, 2008
Edwards, Thos. C. #6Amoco Production CompanyCanceledOther—5,0005,967–5,987Dec 27, 1974
Franks /8900 Sand/ Unit #2 DHunt, Hassie Exploration CompanyCanceledDisposal—4,0004,230–4,255Apr 15, 1963
San Leon Facility SWD #1 #1 DEnergy Reserves Group, L.L.C.CanceledDisposal—4,0001,945–4,000Feb 25, 1997
Huff "a" Unit #1DDune Operating CompanyCanceledDisposal—4,0001,700–3,800Apr 16, 2001
Greyhound Trust Unit #1 SHilcorp Energy CompanyPluggedDisposal—4,0002,600–3,500Apr 14, 2003
Pabst-Wilkens #B 1SWHome Petroleum Corp.PluggedDisposal—4,0001,800–2,850Aug 6, 1997
Algoa Oil Unit IV #1Bertman Drilling&producing Corp.CanceledDisposal—3,5005,800–6,105Dec 10, 1976
Franks /8900 Sand/ Unit #2003Hilcorp Energy CompanyPluggedDisposal—3,5003,980–4,150Aug 23, 1988
Bruce #3Gasper Rice Resources, Ltd.CanceledDisposal—3,5002,529–4,400Nov 7, 1991
Allen Unit 1 #1DBalgoa, Inc.CanceledDisposal—3,0002,260–2,800Feb 11, 1977
Nelson, W. M. #1DHunt, Hassie Exploration CompanyCanceledDisposal—3,0001,561–1,567Apr 15, 1958
Cooper -a- Unit #1Houston Petroleum CompanyPluggedDisposal—3,0002,320–3,885Oct 7, 1991
Stewart, Maco "A" #13Smith Energy 1986A PartnershipCanceledEnhanced recovery—3,0008,603–8,628Oct 20, 1997
Stewart, Maco #10Progenies Operating LLCCanceledDisposal—3,0005,225–6,035Dec 19, 2006
Franks /8900 Sand/ Unit #1801Freeport-McMoran Oil & Gas Co.CanceledOther—2,6508,951–9,084—
Crystal Beach SWD #1Impact Midstream, LLCPluggedDisposal—2,5005,850–6,040Apr 19, 1977
South Gillock Unit #66Amoco Production CompanyCanceledDisposal—2,5001,990–3,100Apr 1, 1986
Cade, E. K. #60Houston Oil Prod Enterprises,incCanceledEnhanced recovery—2,5007,386–7,585Jun 10, 1987
Orchard Oil Unit #1 O/A #1Choice Exploration, Inc.PluggedEnhanced recovery—2,5008,870–8,960Apr 26, 1988
State Tract 343 #16Galveston Bay Energy, LLCCanceledDisposal—2,5005,350–5,524Nov 8, 2006
Stewart, Maco "A" #12Denbury Onshore, LLCPluggedEnhanced recovery—2,2008,475–8,510Jul 23, 1993
Green,s.h. #1DHunt, Hassie, TrustCanceledDisposal—2,0001,800–1,850Feb 24, 1969

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
Aug 3, 2018843138Hilcorp Energy CompanyRubel SWD #1 16731357
Dec 14, 1998481468Transtexas Gas CorporationSan Leon Unit SWD #1 16731319
Dec 14, 1998481468Transtexas Gas CorporationSan Leon Unit SWD #1 16731319

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/galveston, documented in the API reference.