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 3 OF 7

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Webster Field Unit #1313DDenbury Onshore, LLCPluggedDisposal—20,0002,645–5,245Oct 26, 1994
Webster Field Unit #1301DExxon Mobil CorporationPluggedDisposal—20,0002,090–5,000Sep 16, 1993
Quilter, H. -B- #504DHumble Oil & Refining Co.CanceledDisposal—20,0002,250–4,920Jan 13, 1995
Quilter, H. -B- #505DHumble Oil & Refining Co.CanceledDisposal—20,0002,265–4,602Jan 13, 1995
Quilter, H. -B- #507DHumble Oil & Refining Co.CanceledDisposal—20,0003,645–4,615Jan 13, 1995
Quilter, H. -B- #508DHumble Oil & Refining Co.CanceledDisposal—20,0002,280–4,941Jan 13, 1995
Quilter, H. -B- #509DHumble Oil & Refining Co.CanceledDisposal—20,0002,400–4,859Jan 13, 1995
Quilter, H. -B- #510DHumble Oil & Refining Co.CanceledDisposal—20,0002,280–4,919Jan 13, 1995
Webster Field Unit #1841P.o.&g. Operating, LLCInactiveDisposal—20,0002,600–5,200Apr 1, 1998
Webster Field Unit #2704Exxon Mobil CorporationCanceledDisposal—20,0002,600–5,300Jul 7, 1999
Webster Field Unit #189P.o.&g. Operating, LLCInactiveDisposal—20,0004,518–4,947Jan 20, 2019
Gossett, M. H. #103DTandem Energy CorporationCanceledDisposal—15,0005,554–5,562Feb 28, 1994
Webster Field Unit #2754 DExxon Corp.CanceledDisposal—15,0003,500–4,985Dec 10, 1976
Webster Field Unit #2755 DExxon Corp.CanceledDisposal—15,0003,500–5,030Jan 6, 1995
Clear Lake SWD Syst. 1 #2Exxon Corp.CanceledDisposal—10,0001,750–1,920Aug 16, 1991
Clear Lake SWD Syst. 1 #5Exxon Mobil CorporationPluggedDisposal—10,0001,980–5,210Oct 29, 1993
Scherer, W. B. #204DExxon Corp.CanceledDisposal—10,0003,500–4,100Oct 23, 1967
Gossett, M. H. #403DTandem Energy CorporationCanceledDisposal—10,0003,200–4,000Jan 27, 1994
Gossett, M. H. #404DTandem Energy CorporationCanceledDisposal—10,0002,300–4,200Mar 14, 1994
Webster Field Unit #2405IExxon Corp.CanceledDisposal—10,0005,980–6,050Oct 9, 1987
Webster Field Unit #4201DExxon Mobil CorporationCanceledDisposal—10,0002,130–5,270Sep 16, 1993
Clear Lake SWD Syst. 1 #1Exxon Corp.CanceledDisposal—10,0001,750–1,885Aug 9, 1983
Clear Lake SWD Syst. 1 #6DExxon Corp.CanceledDisposal—10,0002,300–5,150Jan 18, 1994
Clear Lake SWD Syst. 1 #8Exxon Corp.CanceledDisposal—10,0002,000–5,300Dec 23, 1991
Nash, Hannah #4Magnum Producing, LPPluggedDisposal—10,0003,000–6,000Mar 25, 1988
Webster Field Unit #1818Exxon Mobil CorporationCanceledDisposal—10,0002,609–5,355Feb 5, 1994
Webster Field Unit #175DExxon Mobil CorporationPluggedDisposal—10,0002,582–5,062Mar 8, 1991
Webster Field Unit #160DExxon Mobil CorporationPluggedDisposal—10,0002,625–5,003Jan 20, 1995
Webster Field Unit #105Exxon Mobil CorporationCanceledDisposal—10,0002,600–5,150Apr 9, 1991
Webster Field Unit #1323DExxon Mobil CorporationPluggedDisposal—10,0002,565–5,150Jan 20, 1995
Webster Field Unit #121DExxon Mobil CorporationPluggedDisposal—10,0002,630–5,200Nov 16, 1994
Webster Field Unit #119DExxon Corp.CanceledDisposal—10,0002,563–4,940Sep 16, 1993
Webster Field Unit #501P.o.&g. Operating, LLCInactiveDisposal—10,0002,557–4,808Apr 9, 1991
Webster Field Unit #1320Exxon Mobil CorporationPluggedDisposal—10,0002,615–5,065Apr 9, 1991
Webster Field Unit #122DExxon Mobil CorporationPluggedDisposal—10,0003,400–5,180Jul 10, 1996
Webster Field Unit #1812DExxon Mobil CorporationCanceledDisposal—10,0002,609–5,355Dec 5, 1994
Webster Field Unit #1322DExxon Mobil CorporationPluggedDisposal—10,0002,622–5,110Jan 25, 1995
Webster Field Unit #125DExxon Mobil CorporationCanceledDisposal—10,0003,300–5,200May 23, 1995
Webster Field Unit #1826Exxon Corp.CanceledDisposal—10,0003,400–5,320Oct 22, 1993
Webster Field Unit #1307Exxon Mobil CorporationCanceledDisposal—10,0002,620–5,083May 23, 1991
Exxon-West Fee "C" A/C-1 #10DExxon Mobil CorporationInactiveDisposal—10,0004,450–5,066Apr 20, 1995
Webster Field Unit #2765DExxon Mobil CorporationCanceledDisposal—10,0002,500–5,100Jul 31, 1995
Webster Field Unit #2766DExxon Mobil CorporationCanceledDisposal—10,0002,780–5,100Sep 8, 1995
Exxon-West Fee "C" a/C 1 #84Kinder Morgan Tejas Pipeline LLCCanceledDisposal—10,0004,450–4,800Jun 14, 1999
Williams, F. C. #1Amoco Production CompanyCanceledDisposal—8,0005,000–5,800Mar 25, 1968
Williams, F. C. #2Amoco Production CompanyCanceledDisposal—8,0003,849–5,400Sep 5, 1980
Williams, F. C. #3Amoco Production CompanyCanceledDisposal—8,0003,849–5,400Aug 5, 1980
Tomball SWD #4Amerada Hess CorporationCanceledDisposal—7,3003,450–3,532Oct 15, 1973
Webster Field Unit #2404IExxon Mobil CorporationCanceledEnhanced recovery—7,0006,107–6,114Dec 6, 1979
Webster Field Unit #2706IExxon Mobil CorporationCanceledEnhanced recovery—7,0005,953–6,165Sep 24, 1991
Webster Field Unit #4001IExxon Corp.CanceledEnhanced recovery—7,0005,884–6,112Sep 24, 1991
Webster Field Unit #4004IExxon Corp.CanceledEnhanced recovery—7,0005,950–6,210Sep 24, 1991
Webster Field Unit #4702IExxon Corp.CanceledEnhanced recovery—7,0006,027–6,328Sep 24, 1991
Webster Field Unit #2733IExxon Corp.CanceledEnhanced recovery—7,0005,854–6,170Sep 24, 1991
Webster Field Unit #3201IExxon Corp.CanceledDisposal—7,0005,700–6,100Aug 24, 1984
Webster Field Unit #3301IExxon Corp.CanceledDisposal—7,0005,700–6,100Mar 22, 1984
Webster Field Unit #2801Exxon Corp.CanceledEnhanced recovery—7,0006,080–6,140Sep 5, 1978
Webster Field Unit #2403Exxon Corp.CanceledEnhanced recovery—7,0006,070–6,125Sep 5, 1978
Kendall Unit #A 1Americo Energy Resources, LLCInactiveEnhanced recovery—7,0006,880–7,150Sep 2, 2026
Webster Field Unit #2903IExxon Corp.CanceledDisposal—6,0005,957–6,180Oct 9, 1987
Webster Field Unit #4003IExxon Corp.CanceledDisposal—6,0005,900–6,031Oct 9, 1987
Webster Field Unit #4902 DExxon Corp.CanceledDisposal—6,0002,150–5,265May 31, 1977
Exxon-West Fee "C" A/C-1 #9DExxon Mobil CorporationPluggedDisposal—6,0002,700–5,000Feb 27, 1996
Webster Field Unit #1DExxon Corp.CanceledDisposal—6,0002,130–3,260Aug 12, 1976
Hirsch, Fred #2Tortuga Operating CompanyCanceledDisposal—6,0003,550–4,100Jun 27, 1986
Webster Field Unit #2401IExxon Mobil CorporationCanceledEnhanced recovery—6,0005,750–6,100Jun 22, 1987
Webster Field Unit #2408IExxon Corp.CanceledEnhanced recovery—6,0005,780–6,100Jun 22, 1987
Scott, G.A. & Beamer, L.S. #66Exxon Corp.CanceledEnhanced recovery—6,0005,800–6,100Jun 22, 1987
Webster Field Unit #3903Denbury Onshore, LLCPluggedEnhanced recovery—6,0005,820–6,041Aug 24, 1988
Webster Field Unit #3905Exxon Corp.CanceledEnhanced recovery—6,0005,850–6,041Aug 24, 1988
Webster Field Unit #125 IExxon Corp.CanceledEnhanced recovery—6,0006,018–6,048Sep 16, 1988
Webster Field Unit #2732IExxon Mobil CorporationCanceledEnhanced recovery—6,0005,909–6,046Sep 16, 1988
Webster Field Unit #2739IExxon Mobil CorporationCanceledEnhanced recovery—6,0005,758–6,050Sep 16, 1988
Webster Field Unit #2750Exxon Corp.CanceledEnhanced recovery—6,0005,730–6,070Nov 29, 1988
Webster Field Unit #2773P.o.&g. Operating, LLCInactiveEnhanced recovery—6,0005,680–6,100Nov 29, 1988
Webster Field Unit #2774Exxon Corp.CanceledEnhanced recovery—6,0005,620–6,090Nov 29, 1988
Webster Field Unit #3801Exxon Mobil CorporationPluggedEnhanced recovery—6,0005,791–5,975Nov 29, 1988
Alexander, B. H., -C- #7DExxon Corp.CanceledDisposal—5,5003,100–4,480May 7, 1976
Dopslauf, Louis "C" #7Cedar Point Oil CompanyCanceledDisposal—5,5004,280–7,450May 28, 1998
Mason, J. T., Fee #1Chevron U. S. A. Inc.PluggedDisposal—5,1501,273–1,335Jan 4, 1956
Clear Lake SWD Syst. 1 #4Exxon Corp.CanceledDisposal—5,0002,150–5,700Oct 2, 1974
Dopslauf, Louis -A- #1Cedar Point Oil CompanyCanceledDisposal—5,0002,950–6,868Jun 23, 1976
Milo, Daniel -B- #1Exxon Corp.CanceledDisposal—5,0002,600–4,200Jan 7, 1980
Webster Field Unit #2705IExxon Corp.CanceledEnhanced recovery—5,0006,100–6,115Sep 11, 1973
Webster Field Unit #3002IExxon Corp.CanceledEnhanced recovery—5,0006,075–6,100Sep 5, 1984
Webster Field Unit #4602IExxon Corp.CanceledEnhanced recovery—5,0006,028–6,042Sep 5, 1984
Webster Field Unit #4901IExxon Corp.CanceledEnhanced recovery—5,0006,070–6,100Sep 5, 1984
Taylor, E. R., Etal #73 DChevron U. S. A. Inc.CanceledDisposal—5,0002,566–2,636Dec 1, 1982
Tomball Saltwater Disposal #5M. J. G., Inc.CanceledDisposal—5,0002,500–3,700Jul 19, 1983
Webster Field Unit #3820P.o.&g. Operating, LLCInactiveDisposal—5,0005,950–6,450Dec 17, 1984
Stevenson Fee #149Texaco Inc.CanceledDisposal—5,0003,000–3,440Feb 6, 1985
Josey, L. #3Hamman Oil & Refining CompanyPluggedDisposal—5,0003,280–4,850Nov 6, 1989
Smith, Ashbel-Sun #12Texas American Resources CompanyCanceledDisposal—5,0001,900–2,000Jul 6, 1992
Hamill Gas Unit 3 #3EOG Resources, Inc.PluggedDisposal—5,0002,690–4,750Jan 13, 1995
Goodykoontz, W.W. "B" #6ROsborn,w.b. Oil & Gas OperationsPluggedDisposal—5,0003,000–4,500Feb 23, 2001
Josey #6Hamman Oil & Refining CompanyPluggedDisposal—5,0006,934–6,960May 6, 2011
E. W. Mills #1Amerada Petroleum Corp.CanceledEnhanced recovery—5,0006,791–6,886Sep 17, 1965
E. W. Mills #4Amerada Petroleum Corp.CanceledEnhanced recovery—5,0006,800–6,895Sep 17, 1965
E. W. Mills #8Amerada Petroleum Corp.CanceledEnhanced recovery—5,0006,780–6,885Sep 17, 1965
K. C. Silberberg #5Amerada Petroleum Corp.CanceledEnhanced recovery—5,0006,785–6,890Sep 17, 1965

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.