Petrora

WATER · HARRIS COUNTY

Produced water and disposal in Harris 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 →

Harris County has 87 active injection and disposal wells, 69 of them permitted for disposal, with 1.0 million barrels a day of permitted capacity.

Operators reported 43 million barrels injected on H-10 filings in the twelve months to September 2025, up 5% on the year before, about 11% of what the permits allow.

P.o.&g. Operating, LLC is the largest injector in the county, with 19 million barrels reported across 20 active wells.

87
active injection wells, 69 for disposal
1.02M
bbl/d permitted capacity
42.9M
bbl reported, H-10 year to Sep 2025 +5%
11%
of permitted capacity used
561
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO SEP 2025

Last 12 months 42,872,024 · prior 12 40,907,080(+5%)

05M10M2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
P.o.&g. Operating, LLC18.6M20557K
Targa Downstream LLC8.86M2140K
Tandem Energy Corporation5.61M5100K
Trek Resources, Inc.3.84M743.2K
Americo Energy Resources, LLC1.55M734K
WRD Operating LLC830K1435.8K
Underground Storage, LLC782K10
Tortuga Operating Company731K832.5K
Gaither Petroleum Corporation642K37K
Fort Worth Natural Gas, Inc.449K12.5K
Ballard Exploration Company,inc.408K333K
Mse Operating Corp.219K11K
Etoco, L.P.184K25K
Morgan Enterprises, Inc.98.2K1500
Josey Oil Company, Ltd.29K12K
Houston Pipe Line Company LP8.88K11.6K
Silverbrook Operating, LLC7.58K1150
Kinder Morgan Tejas Pipeline LLC—110K
Petrotx Operating, LLC—15K
King Operating Corporation—15K

Injection permits

634 UIC PERMITS · 87 ACTIVE · PAGE 4 OF 7

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Bay & Bayou #25Foothills Texas, Inc.CanceledDisposal—5,0002,500–5,950Nov 24, 2014
Landslide NCT-1 #306Texaco E & P Inc.CanceledDisposal—4,5001,940–2,200Nov 22, 1972
Webster Field Unit #2712IExxon Corp.PluggedEnhanced recovery—4,5006,070–6,090Jul 25, 1978
Gillespie, R. M. #5DMitchell Energy CorporationCanceledDisposal—4,0002,800–4,662Jun 9, 1976
Carpenter, Frank A. #4DAmoco Production CompanyCanceledDisposal—4,0002,900–5,200Sep 14, 1973
Webster Field Unit #121IExxon Corp.CanceledEnhanced recovery—4,0006,050–6,065Jul 19, 1974
Webster Field Unit #4002IExxon Corp.CanceledEnhanced recovery—4,0005,964–6,007Dec 20, 1985
Webster Field Unit #4703IExxon Corp.CanceledEnhanced recovery—4,0006,015–6,019Jul 19, 1974
Webster Field Unit #2731IExxon Corp.CanceledEnhanced recovery—4,0006,036–6,128Feb 13, 1986
Webster Field Unit #2803IExxon Corp.CanceledEnhanced recovery—4,0006,075–7,025Jun 4, 1975
Marachal, Jane Gregory #9 DMcCauley, F. R.CanceledDisposal—4,0003,170–3,320Feb 24, 1981
Foley, Blanche #33Comet Oil & Gas, Inc.CanceledDisposal—4,0003,010–3,265Jan 30, 1984
Webster Field Unit #2501IExxon Corp.CanceledEnhanced recovery—4,0006,058–6,086Dec 20, 1985
Smith, Ashbel #8Trek Resources, Inc.InactiveDisposal—4,0002,790–3,300Sep 21, 2004
Webster Field Unit #2802Exxon Corp.CanceledEnhanced recovery—4,0005,920–5,980Jan 23, 1975
Webster Field Unit #1901Exxon Corp.PluggedEnhanced recovery—4,0005,986–6,010Jul 19, 1974
Webster Field Unit #2711IExxon Corp.CanceledEnhanced recovery—3,8006,055–6,080Apr 30, 1974
Webster Field Unit #4401IExxon Corp.CanceledEnhanced recovery—3,8006,075–6,090Apr 30, 1974
Lewis R. Tyra #1DBenchmark Oil & Gas Co.CanceledDisposal—3,8003,200–4,000Feb 4, 1981
Webster Field Unit #3902Exxon Corp.CanceledEnhanced recovery—3,8006,005–6,030Apr 30, 1974
Lewis, Sam #2Tortuga Operating CompanyCanceledDisposal—3,5001,960–2,420May 21, 1981
Carpenter, Frank A. #5Amoco Production CompanyCanceledDisposal—3,5002,850–5,200Mar 9, 1981
Pizzitola Unit #1DAmerico Energy Resources, LLCPluggedDisposal—3,0004,740–5,203Jul 16, 1999
Petrich, Theresa #2Tortuga Operating CompanyCanceledDisposal—3,0002,230–4,300Jun 30, 1964
Metzler, E. A. #1Sun Expl. & Prod. Co.-LafayettePluggedDisposal—3,0002,200–4,100Feb 6, 1985
Rankin Unit #12Bailey Petroleum, Inc.CanceledEnhanced recovery—3,0007,904–7,944Oct 11, 1984
Rankin Unit #14 IWestern Energy Group, LLCPluggedEnhanced recovery—3,0007,934–7,969Oct 11, 1984
Rankin Unit #19 IWRT Energy CorporationCanceledEnhanced recovery—3,0007,880–7,996Feb 23, 1981
Metzler, E. A. #5Tortuga Operating CompanyPluggedDisposal—3,0002,300–4,000Nov 13, 1985
Almeda Underground Strg. #1DCoastal States Crude Gath. Co.CanceledDisposal—3,000801–1,000Mar 30, 1983
Beaumont Petroleum Co. - State #59 IGaither Petroleum CorporationCanceledDisposal—3,0002,690–2,988Jun 28, 1984
Rankin Unit #17IBailey Petroleum, Inc.CanceledDisposal—3,0007,905–7,945Nov 12, 1984
Beaumont Petroleum Co. - State #60La-Tex Operating CompanyCanceledEnhanced recovery—3,0003,100–3,140May 9, 1985
Rankin Unit #10Gaither Petroleum CorporationCanceledEnhanced recovery—3,0007,888–7,925Aug 8, 1985
Rankin Unit #11Gaither Petroleum CorporationCanceledEnhanced recovery—3,0007,910–7,938Aug 8, 1985
Deering, John A #3DSun Expl. & Prod. Co.-LafayetteCanceledDisposal—3,0002,400–3,000Apr 30, 1986
Beaumont Petroleum Co. - State #57Gaither Petroleum CorporationCanceledEnhanced recovery—3,0003,440–3,485Feb 12, 1988
Goodykoontz, W.W. "B" #6Osborn,w.b. Oil & Gas OperationsCanceledDisposal—3,0006,690–6,718Aug 17, 1988
Nussbaum, Sam #4McCarter, A. NelsonCanceledDisposal—3,0004,630–4,750Dec 13, 1988
Nussbaum, Sam #2Apache Exploration, Inc. (I)CanceledDisposal—3,0004,620–4,750Jan 3, 1989
Hirsch State #16Siempre Energy Operating, LLCCanceledDisposal—3,0003,530–3,860Jun 18, 1991
Hirsch State #22Siempre Energy Operating, LLCCanceledDisposal—3,0002,700–3,699Jun 18, 1991
Ferguson Unit #1VColumbus Energy Corp.CanceledEnhanced recovery—3,0008,446–8,560Dec 23, 1994
Josey Ranch #6Milagro Exploration, LLCPluggedDisposal—3,0003,300–4,818Apr 9, 1998
Smith, Ashbel #2 #41Foothills Texas, Inc.PluggedDisposal—3,0002,900–3,540Mar 1, 2004
Rankin Unit #9Daf Operating, LLCCanceledDisposal—3,0007,860–7,898May 21, 2008
Dooley #5Alaron Energy, Inc.CanceledDisposal—3,0005,350–5,415Aug 14, 2009
Settegast #3Pennzoil Exploration & Prod. Co.CanceledEnhanced recovery—2,5007,054–7,068May 6, 1977
Settegast #4Merit Energy CompanyCanceledDisposal—2,5004,000–5,600Jul 23, 1997
Settegast #5Pennzoil Exploration & Prod. Co.CanceledEnhanced recovery—2,5007,050–7,090Apr 20, 1979
Hubbell, Wm. Fee #5Texaco Inc.CanceledDisposal—2,5007,070–7,076Mar 19, 1973
Houston First Savings Assn #1DGeo Asset Management, Inc.PluggedDisposal—2,5003,120–3,172Jun 14, 1999
Smith, Ashbel #2 #10Union Seaboard CorporationCanceledDisposal—2,5001,900–3,200Dec 29, 1972
Smith, Ashbel #2 #13Foothills Texas, Inc.PluggedDisposal—2,5002,830–3,900Nov 9, 1976
Smith, Ashbel-Sun #15BHP Petroleum (Americas) Inc.CanceledDisposal—2,5002,000–2,300Nov 22, 1972
Juergens, C. W. #1Amerada Hess CorporationCanceledDisposal—2,5002,950–3,950Apr 13, 1978
Hubbell, Wm. Fee #4DTexaco Inc.CanceledDisposal—2,5005,080–5,200Jul 25, 1979
Roemer & Modglin #2DGary Oil & GasCanceledDisposal—2,5002,760–3,080Apr 30, 1981
State of Texas "A" #2Puls, W. L.CanceledDisposal—2,5002,070–2,082Nov 1, 1977
Goodykoontz, W.W. #8Osborn,w.b. Oil & Gas OperationsPluggedDisposal—2,5003,550–4,500Feb 17, 2012
Stone Unit -A- #1Pennzoil Producing Co.PluggedDisposal—2,5007,027–7,041Sep 6, 1978
Smith, Ashbel #2 #9Texas American Resources CompanyCanceledDisposal—2,0001,900–2,700Mar 19, 1970
Tharp #1DGalloway Lone Star, L.L.C.PluggedDisposal—2,0003,200–5,800Aug 19, 1999
RJS #2DTexas Gas Resources, Inc.PluggedDisposal—2,0005,350–5,850May 10, 1994
Forbes, E. E. #3Smith, L. C.CanceledDisposal—2,0002,810–2,965Jun 9, 1976
Murphy #1DPringle Petroleum, Inc.CanceledDisposal—2,0002,968–3,039May 24, 1982
Hibbert #1DEastern Oil CorporationCanceledDisposal—2,0003,130–3,140Apr 21, 1987
Webster Field Unit #118Exxon Corp.CanceledDisposal—2,000490–600Jul 11, 1979
Webster Field Unit #1803 DExxon Corp.CanceledDisposal—2,000573–593Feb 26, 1979
Mistrot, Norris #1McCarter, A. NelsonCanceledDisposal—2,0004,030–4,070Nov 20, 1984
Josey, L. #1Hamman Oil & Refining CompanyCanceledDisposal—2,0006,929–6,969Mar 17, 1995
Sweeney, J. J. Est. #3Diamond S Energy CompanyPluggedDisposal—2,0003,000–5,000Nov 21, 1997
Dooley #9RWJ Operating LLCCanceledDisposal—2,0008,050–8,430May 17, 2000
C.L. Brown #4WDTexas Oil Resources Oper, LLCCanceledDisposal—2,0002,900–3,600Mar 26, 2018
Beaumont Stateland #12Exxon Corp.CanceledEnhanced recovery—2,0002,698–2,700Oct 15, 1974
Gaillard Peninsula #33Humble Oil & Refining Co.CanceledEnhanced recovery—2,0002,900–3,060Feb 8, 1971
Gaillard Peninsula #57FHumble Oil & Refining Co.CanceledEnhanced recovery—2,0002,777–2,930Jul 12, 1971
George Kostas #2 TWRD Operating LLCInactiveDisposal—2,0008,378–8,488Feb 3, 2017
Moody, L.B. Estate #1Barrington, Sam M.PluggedDisposal—1,8003,500–8,300Oct 4, 1993
Ehrhardt, John Est. #1SWHouston Pipe Line Company LPPluggedDisposal—1,6002,800–3,500Feb 24, 1998
Dooley #6Maguire Oil CompanyCanceledEnhanced recovery—1,6007,859–7,864Jun 28, 1991
Smith, Ashbel-Sun #6DBHP Petroleum (Americas) Inc.CanceledDisposal—1,5001,700–2,270Nov 28, 1979
Goodykoontz, W.W. #5Pringle Resources, Inc.CanceledDisposal—1,5002,990–5,098Mar 3, 1977
Bash #A 1Pennzoil Exploration & Prod. Co.CanceledDisposal—1,5005,517–5,546May 26, 1982
Williams, O'Banion #3D.J. Oilfield Salvage Inc.CanceledDisposal—1,5003,350–6,100May 13, 1981
Hirsch, M. #2Whiting Oil and Gas CorporationPluggedDisposal—1,5003,370–3,610Aug 25, 1981
Willits #1Bluegrass Energy, Inc.PluggedDisposal—1,5007,070–7,510Jul 16, 2002
Josey, L. -E- #1Milagro Exploration, LLCPluggedDisposal—1,5003,310–3,420Oct 31, 1995
Davis Oil Unit #2VU. D. Man, Inc.PluggedDisposal—1,5007,300–7,680Feb 18, 1999
Turner #1Osborn,w.b. Oil & Gas OperationsCanceledDisposal—1,5005,010–5,045Jan 17, 2001
Bissonet #2Aspen Operating Company, L.L.C.CanceledDisposal—1,5006,300–9,000Jul 20, 2010
Webster Field Unit #145Exxon Corp.PluggedEnhanced recovery—1,5005,819–5,985Nov 21, 1974
Webster Field Unit #1820Exxon Corp.CanceledEnhanced recovery—1,5005,833–6,056Nov 21, 1974
Webster Field Unit #3601Exxon Corp.PluggedEnhanced recovery—1,5005,890–5,962Nov 21, 1974
Exxon-Beck Fee #304DAmerico Energy Resources, LLCCanceledDisposal—1,2002,400–4,200Jan 30, 1976
Rorick, David, Jr. #2W. R. G. Oil & Gas, Inc.CanceledDisposal—1,2002,734–3,000Aug 24, 1982
Rorick, David, Jr. #2 TW. R. G. Oil & Gas, Inc.CanceledDisposal—1,2005,060–5,080Nov 29, 1983
O. H. A. "A" #23Startap, Inc.CanceledDisposal—1,2002,085–2,105Dec 12, 1989
David Rorick #2Ramtex Energy LLCPluggedDisposal—1,2004,680–5,078Mar 5, 2012
Kostas, George #1DNance Engineering Inc.CanceledDisposal—1,0003,600–3,800Jan 31, 1994

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
Feb 28, 2019850498Targa Downstream LLCSWD #11 20132979
Feb 20, 2015803815Targa Downstream LLCSWD #9 20132958
May 12, 1998476213Enron Oil & Gas CompanyHamill SWD #2 20132531
Jan 12, 1998472122Coastal States Crude Gath. Co.Taylor, E. R. et al SWD #2 20132176
May 16, 1989359388Coastal States Crude Gath. Co.Taylor, E. R. et al SWD #2 20132176
Oct 18, 1982174601Amerada Hess CorporationTomball Saltwater Disposal #5 20130320
Dec 16, 1980102556Southport Exploration Inc.Liddell, F. Estate SWD #3D 20131152
Jul 17, 197953110Amoco Production CompanyCarpenter, Frank A. #5D 20130602
Apr 10, 197945992Amoco Production CompanyDopslauf, Louis "C" #3D 20104003

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/harris, documented in the API reference.