Produced water and disposal in Knox 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 →
Knox County has 44 active injection and disposal wells, with 57,375 barrels a day of permitted capacity.
Operators reported 1.5 million barrels injected on H-10 filings in the twelve months to June 2025, down 16% on the year before, about 7% of what the permits allow.
Daylight Petro LLC is the largest injector in the county, with 733,484 barrels reported across 11 active wells.
- 44
- active injection wells, 0 for disposal
- 57.4K
- bbl/d permitted capacity
- 1.49M
- bbl reported, H-10 year to Jun 2025 -16%
- 7%
- of permitted capacity used
- 484
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 1,492,222 · prior 12 1,777,930(-16%)
Who injects here
Operators with active permits in the county, by reported H-10 volume over the settled year.
| Operator | Reported, bbl | Active wells | Capacity bbl/d |
|---|---|---|---|
| Daylight Petro LLC | 733K | 11 | 11K |
| Atlas Oper LLC | 220K | 1 | 10K |
| RHB Expl & Prod,llc | 163K | 1 | 1K |
| Double M Petroproperties, Inc | 58.2K | 1 | 500 |
| Bridwell Oil Co | 57.2K | 4 | 1.8K |
| Taylor Oil & Gas Serv | 50.3K | 2 | 4K |
| Petex | 47.2K | 1 | 200 |
| Bbe Production, LLC | 47.2K | 2 | 850 |
| Best Petro Explorations,inc | 40K | 1 | 500 |
| Roil Operating LLC | 21.3K | 1 | 600 |
| Great American Res Inc | 16.9K | 3 | 3.5K |
| Royal Oryx OG LLC | 16.5K | 2 | 3.5K |
| Sojourner Drlg. Corp | 10.4K | 1 | 1.2K |
| Willowbend Investments, Inc | 8.54K | 1 | 500 |
| Tree Oper, LLC | 1.44K | 5 | 13.2K |
| CDJ Oil Company, LLC | 40 | 1 | 400 |
| L7 Engy LLC | — | 1 | 1K |
| Cra-Gro Crop Service, Inc. | — | 1 | 1K |
| Pony Express Corporate Trust | — | 1 | 1K |
| THP Operating LLC | — | 1 | 1K |
Injection permits
484 UIC PERMITS · 44 ACTIVE · PAGE 1 OF 5
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| North Knox City Unit #42 | Daylight Petro LLC | Active | Enhanced recovery | 279K | 1,500 | 4,196–4,259 | Jun 6, 2014 |
| North Knox City Unit #34 | Daylight Petro LLC | Active | Enhanced recovery | 274K | 1,500 | 4,161–4,188 | Jun 6, 2014 |
| Katz (Strawn) Unit #1022 | Atlas Oper LLC | Active | Enhanced recovery | 220K | 10,000 | 4,750–5,600 | Oct 30, 2014 |
| North Knox City Unit #47 | Daylight Petro LLC | Active | Enhanced recovery | 180K | 800 | 4,277–4,302 | Jan 27, 1958 |
| Wilde #3 | RHB Expl & Prod,llc | Active | Enhanced recovery | 163K | 1,000 | 4,218–4,340 | Dec 29, 1999 |
| Ellis Ranch #3 | Double M Petroproperties, Inc | Active | Enhanced recovery | 58.2K | 500 | 5,718–5,760 | Nov 29, 2018 |
| Hertel #3 | Petex | Active | Enhanced recovery | 47.2K | 200 | 2,140–2,190 | Jan 10, 1986 |
| Ward, Mamie McFaddin -A- #2W | Bbe Production, LLC | Active | Enhanced recovery | 41.5K | 350 | 2,578–2,592 | Jun 30, 1982 |
| Howell, J.W. #1 | Best Petro Explorations,inc | Active | Enhanced recovery | 40K | 500 | 3,090–4,883 | Mar 24, 2021 |
| McFaddin Unit #105 | Bridwell Oil Co | Active | Enhanced recovery | 29.7K | 500 | 2,596–2,609 | Jul 12, 2005 |
| Megargel Drilling Co. #20 | Taylor Oil & Gas Serv | Active | Enhanced recovery | 28.1K | 2,000 | 2,548–2,606 | Jul 30, 2024 |
| Megargel Drilling Co. #8 | Taylor Oil & Gas Serv | Active | Enhanced recovery | 22.2K | 2,000 | 2,550–2,590 | Aug 31, 2017 |
| Zeissel #3 | Roil Operating LLC | Active | Enhanced recovery | 21.3K | 600 | 2,156–2,168 | Sep 11, 2009 |
| McFaddin Unit #305 | Bridwell Oil Co | Active | Enhanced recovery | 17.2K | 500 | 2,566–2,573 | Nov 8, 2013 |
| Livingston Ranch #319 | Royal Oryx OG LLC | Active | Enhanced recovery | 16.5K | 1,500 | 2,326–2,413 | Apr 6, 2026 |
| Thormann, F. W. #3 | Great American Res Inc | Active | Enhanced recovery | 16.3K | 500 | 5,150–5,160 | Oct 24, 2005 |
| Livingston "A" #6 | Sojourner Drlg. Corp | Active | Enhanced recovery | 10.4K | 1,200 | 2,398–2,414 | Oct 11, 2001 |
| McFaddin Unit #302X | Bridwell Oil Co | Active | Enhanced recovery | 10.3K | 300 | 2,579–2,597 | May 3, 2007 |
| Atkinson #1 | Willowbend Investments, Inc | Active | Enhanced recovery | 8.54K | 500 | 1,812–1,832 | Dec 23, 2008 |
| Kempner #5 | Bbe Production, LLC | Active | Enhanced recovery | 5.72K | 500 | 2,658–2,674 | Feb 13, 2001 |
| Fant Ranch Unit #204 | Tree Oper, LLC | Active | Enhanced recovery | 1.44K | 3,000 | 5,999–6,085 | Jan 17, 1986 |
| Howell, G. L. #15 | Great American Res Inc | Active | Enhanced recovery | 417 | 1,500 | 4,800–5,200 | Jan 23, 2002 |
| Howell, G. L. #16W | Great American Res Inc | Active | Enhanced recovery | 208 | 1,500 | 4,850–5,300 | Mar 9, 2004 |
| Campbell, Tom #3 | CDJ Oil Company, LLC | Active | Enhanced recovery | 40 | 400 | 2,302–2,304 | Apr 11, 1988 |
| Fant Ranch Unit #106 | Tree Oper, LLC | Active | Enhanced recovery | — | 3,000 | 5,976–6,034 | Jan 17, 1986 |
| Fant Ranch Unit #605 | Tree Oper, LLC | Active | Enhanced recovery | — | 3,000 | 5,870–5,945 | Jan 17, 1986 |
| Livingston Ranch 4 #407 | Royal Oryx OG LLC | Active | Enhanced recovery | — | 2,000 | 2,377–2,378 | Nov 14, 2001 |
| North Knox City Unit #12 | Daylight Petro LLC | Active | Enhanced recovery | — | 1,500 | 4,216–4,266 | Feb 28, 1991 |
| North Knox City Unit #22 | Daylight Petro LLC | Active | Enhanced recovery | — | 1,500 | 4,244–4,295 | Feb 28, 1991 |
| Fant Ranch Unit #702 | Tree Oper, LLC | Active | Enhanced recovery | — | 1,200 | 5,939–6,010 | Jan 7, 1992 |
| North Knox City Unit #21 | Daylight Petro LLC | Active | Enhanced recovery | — | 1,000 | 4,199–4,249 | Jun 20, 1969 |
| North Knox City Unit #23 | Daylight Petro LLC | Active | Enhanced recovery | — | 1,000 | 4,279–4,329 | Jun 20, 1969 |
| Farmer, Anna Beth #4503 | THP Operating LLC | Active | Enhanced recovery | — | 1,000 | 2,177–2,226 | Jul 25, 1996 |
| Cartwright "Q" #14 | Pony Express Corporate Trust | Active | Enhanced recovery | — | 1,000 | 1,762–1,770 | Jul 31, 2001 |
| Stroud, Lila #17 | L7 Engy LLC | Active | Enhanced recovery | — | 1,000 | 2,008–2,018 | Dec 22, 2016 |
| North Knox City Unit #33 | Daylight Petro LLC | Active | Enhanced recovery | — | 800 | 4,178–4,216 | Jan 27, 1958 |
| North Knox City Unit #44 | Daylight Petro LLC | Active | Enhanced recovery | — | 800 | 4,265–4,310 | Jan 26, 1964 |
| North Knox City Unit #25 | Daylight Petro LLC | Active | Enhanced recovery | — | 500 | 4,150–4,172 | Sep 13, 1972 |
| Little Giant Tannehill Unit #108 | Bridwell Oil Co | Active | Enhanced recovery | — | 500 | 2,586–2,670 | Apr 22, 2025 |
| Thompson -A- #7 | RJM Oil Company, LLC | Active | Enhanced recovery | — | 300 | 1,960–1,963 | Jun 14, 1988 |
| Parker, C. D. #3 | Craaybeek's Pro Engy, L.L.C | Active | Enhanced recovery | — | 300 | 1,719–1,724 | Oct 30, 2013 |
| Hobert Estate #25 | Daylight Petro LLC | Active | Other | — | 125 | 2,008–2,012 | Jul 28, 1976 |
| Fant Ranch Unit #703 | Tree Oper, LLC | Active | Enhanced recovery | — | 3,000 | 5,969–6,044 | Apr 6, 2026 |
| LCR #1 | Cra-Gro Crop Service, Inc. | Active | Enhanced recovery | — | 1,000 | 1,748–1,790 | Jan 14, 2026 |
| Fant Ranch Unit #701 | Tree Oper, LLC | Plugged | Enhanced recovery | — | 5,000 | 5,926–5,997 | Nov 10, 2018 |
| Hamilton Ranch 21 #1 | Bbe Production, LLC | Cancelled | Enhanced recovery | — | 1,000 | 2,406–2,492 | Jan 31, 1997 |
| Fetsch A #5 | T Dozer D Oil Co. | Cancelled | Enhanced recovery | — | 1,000 | 2,067–2,071 | Apr 1, 2005 |
| Hertel "B" #3 | T Dozer D Oil Co. | Cancelled | Enhanced recovery | — | 300 | 2,156–2,161 | Jun 24, 1987 |
| Phillips, P. C. -A- #9 | T Dozer D Oil Co. | Cancelled | Enhanced recovery | — | 300 | 2,000–2,020 | Jul 25, 2006 |
| Wall #1 | T Dozer D Oil Co. | Cancelled | Enhanced recovery | — | 200 | 2,049–2,050 | May 17, 1991 |
| Moore, W. L. #1D | T Dozer D Oil Co. | Cancelled | Other | — | 100 | 1,899–1,915 | — |
| North Knox City Unit #62 | Daylight Petro LLC | Inactive | Enhanced recovery | — | 10,000 | 4,178–4,212 | Nov 20, 2008 |
| Fant Ranch Unit #402 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 6,085–6,198 | Jan 17, 1986 |
| Fant Ranch Unit #301 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 6,064–6,150 | Jan 17, 1986 |
| Fant Ranch Unit #303 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 6,034–6,100 | Jan 17, 1986 |
| Fant Ranch Unit #202 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 5,877–5,952 | Jan 17, 1986 |
| Fant Ranch Unit #107 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 6,048–6,135 | Jan 17, 1986 |
| Fant Ranch Unit #1002 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 3,000 | 5,998–6,022 | Jan 17, 1986 |
| Fant Ranch Unit #1101 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 3,000 | 6,002–6,056 | Jan 17, 1986 |
| Fant Ranch Unit #1103 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 6,030–6,100 | Jan 17, 1986 |
| Fant Ranch Unit #506 | Tree Oper, LLC | Plugged | Enhanced recovery | — | 3,000 | 5,891–5,929 | Jan 17, 1986 |
| Fant Ranch Unit #505 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 3,000 | 5,819–5,883 | Jan 17, 1986 |
| Fant Ranch Unit #704 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 3,000 | 5,952–6,025 | Jan 17, 1986 |
| Fant Ranch Unit #606 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 5,940–6,014 | Jan 17, 1986 |
| Fant Ranch Unit #404 | Sanchez-O'Brien Oil & Gas Corp | Cancelled | Enhanced recovery | — | 3,000 | 5,972–6,135 | Jan 17, 1986 |
| Fant Ranch Unit #403 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 5,860–5,945 | Jan 17, 1986 |
| Fant Ranch Unit #801 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 5,974–6,062 | Jan 17, 1986 |
| Fant Ranch Unit #803 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 3,000 | 5,970–5,982 | Jan 17, 1986 |
| Thormann, F. W. #20 | Great American Res Inc | Inactive | Enhanced recovery | — | 3,000 | 5,160–5,178 | Jun 9, 2021 |
| Richardson North #4 | Great American Res Inc | Inactive | Enhanced recovery | — | 3,000 | 4,886–5,292 | Oct 19, 2021 |
| Branton #1 | Bbe Production Co. | Cancelled | Enhanced recovery | — | 2,500 | 2,068–2,078 | Feb 16, 1989 |
| Walter David Counts #1 | Chap Oper, Inc | Cancelled | Disposal | — | 2,500 | 2,952–2,988 | Sep 11, 1986 |
| North Knox City Unit #24 | Daylight Petro LLC | Plugged | Other | — | 2,100 | 4,226–4,254 | — |
| East River Unit #69 | Dalen Res Oil & Gas Co | Cancelled | Enhanced recovery | — | 2,100 | 4,850–5,100 | Jan 24, 1989 |
| North Knox City Unit #52 | Plains Petro Oper Co | Plugged | Enhanced recovery | — | 2,050 | 4,180–4,312 | Jan 26, 1964 |
| Megargel Drilling Co. #16 | Delray Oil, Inc | Plugged | Enhanced recovery | — | 2,000 | 2,573–2,577 | Nov 4, 1987 |
| Fant Ranch Unit #401 | Texoma Oil Tools, Inc | Cancelled | Enhanced recovery | — | 2,000 | 5,880–6,050 | Dec 4, 1987 |
| Fant Ranch Unit #504 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 2,000 | 5,875–6,090 | Dec 4, 1987 |
| Fant Ranch Unit #508 | Sanchez-O'Brien Oil & Gas Corp | Plugged | Enhanced recovery | — | 2,000 | 5,820–5,980 | Dec 4, 1987 |
| Fant Ranch Unit #102 | Success Oil Co, Inc | Cancelled | Enhanced recovery | — | 2,000 | 5,956–6,034 | Feb 21, 1990 |
| Fant Ranch Unit #1001 | Greasewood Operating, Ltd. | Cancelled | Enhanced recovery | — | 2,000 | 5,971–6,074 | Feb 21, 1990 |
| Megargel Drilling Co. #11 | Delray Oil, Inc | Cancelled | Enhanced recovery | — | 2,000 | 2,557–2,581 | Jun 21, 1993 |
| Megargel Drilling Co. #14 | Delray Oil, Inc | Cancelled | Enhanced recovery | — | 2,000 | 2,538–2,542 | Oct 1, 1993 |
| Megargel Drilling Co. #23 | Delray Oil, Inc | Plugged | Enhanced recovery | — | 2,000 | 2,501–2,516 | Feb 10, 1994 |
| Benedict #2D | Mayfield Engineering Service | Cancelled | Disposal | — | 2,000 | 2,460–3,000 | Dec 1, 1980 |
| Megargel Drilling Co. #1 | Taylor Oil & Gas Serv | Inactive | Enhanced recovery | — | 2,000 | 2,550–2,600 | Aug 31, 2017 |
| Megargel Drilling Co. #12I | D.J.F. Services, Inc | Cancelled | Enhanced recovery | — | 2,000 | 2,550–2,600 | Aug 31, 2017 |
| Thorman, F. W. #7 | Great American Res Inc | Inactive | Enhanced recovery | — | 2,000 | 2,450–2,515 | Jun 9, 2021 |
| Livingston Ranch #302 | Livingston, F. L | Cancelled | Enhanced recovery | — | 1,800 | 2,287–2,303 | Jan 13, 1998 |
| North Knox City Unit #55 | Avad Oper, LLC | Cancelled | Enhanced recovery | — | 1,500 | 4,232–4,296 | Oct 20, 1980 |
| North Knox City Unit #39 | T-N-T Engineering, Inc | Plugged | Enhanced recovery | — | 1,500 | 4,165–4,210 | Oct 20, 1980 |
| Orsborn, Alma H. #3 | APC Oper Partnership | Plugged | Enhanced recovery | — | 1,500 | 4,800–5,200 | Jun 20, 1990 |
| Orsborn, Alma #4 | APC Oper Partnership | Plugged | Enhanced recovery | — | 1,500 | 4,800–5,200 | Jun 20, 1990 |
| North Knox City Unit #4 | Plains Petro Oper Co | Plugged | Enhanced recovery | — | 1,500 | 4,203–4,275 | Feb 28, 1991 |
| North Knox City Unit #15 | Plains Petro Oper Co | Plugged | Enhanced recovery | — | 1,500 | 4,250–4,295 | Feb 28, 1991 |
| North Knox City Unit #16 | Plains Petro Oper Co | Cancelled | Enhanced recovery | — | 1,500 | 4,193–4,295 | Feb 28, 1991 |
| North Knox City Unit #60 | Daylight Petro LLC | Inactive | Enhanced recovery | — | 1,500 | 4,132–4,186 | Dec 28, 1993 |
| Orsborn, Alma H. #1 | Westport Oil and Gas Co, LP | Cancelled | Enhanced recovery | — | 1,500 | 4,800–5,200 | Mar 5, 1999 |
| Livingston Ranch 4 #403 | Martis Valley Engy, LLC | Cancelled | Enhanced recovery | — | 1,500 | 2,339–2,340 | May 7, 2004 |
| Hunt, E. W. #6 | Midwestern Engy | Plugged | Enhanced recovery | — | 1,200 | 1,565–1,580 | Jul 15, 2004 |
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/knox, documented in the API reference.