Produced water and disposal in King 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 →
King County has 154 active injection and disposal wells, 19 of them permitted for disposal, with 478,995 barrels a day of permitted capacity.
Operators reported 16 million barrels injected on H-10 filings in the twelve months to June 2025, up 11% on the year before, about 9% of what the permits allow.
High River Res Operating, LLC is the largest injector in the county, with 9.3 million barrels reported across 72 active wells.
- 154
- active injection wells, 19 for disposal
- 479K
- bbl/d permitted capacity
- 15.8M
- bbl reported, H-10 year to Jun 2025 +11%
- 9%
- of permitted capacity used
- 537
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 15,750,308 · prior 12 14,211,122(+11%)
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 |
|---|---|---|---|
| High River Res Operating, LLC | 9.31M | 72 | 263K |
| New Height Energy, LLC | 2.97M | 10 | 32K |
| Burnett Oil Co., Inc. | 1.21M | 10 | 20.9K |
| Atlas Operating LLC | 1.04M | 7 | 70K |
| Medders Oil Company, Inc. | 488K | 20 | 47.6K |
| Sojourner Drilling Corporation | 254K | 7 | 6.8K |
| Red Diamond Energy Services, Inc | 88.7K | 1 | 5K |
| Buck Wheat Resources, L.P. | 72.6K | 2 | 2K |
| Citation Oil & Gas Corp. | 66.6K | 2 | 1.25K |
| MWL Energy LLC | 64.7K | 2 | 1.35K |
| Schalk Oil Company, Inc. | 60.5K | 1 | 1.5K |
| Salida Exploration, LLC | 46.5K | 2 | 600 |
| Clear Fork, Incorporated | 37.7K | 1 | 1K |
| Paragon Oil & Gas, LLC | 25.3K | 1 | 160 |
| Great American Resources Inc. | 11.6K | 3 | 6K |
| J & M SWD, LLC | 822 | 1 | 10K |
| Creed Operating Co., LLC | — | 4 | 3.1K |
| Ridglea Energy I, LLC | — | 3 | 2.8K |
| International Western Oil Corp | — | 1 | 2K |
| Patton Exploration, Inc. | — | 3 | 1.62K |
Injection permits
537 UIC PERMITS · 154 ACTIVE · PAGE 2 OF 6
Active permits first, by reported volume, then canceled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Burnett Ranch CO2 Flood "PA1" #W 1C | High River Res Operating, LLC | Active | Enhanced recovery | — | 5,100 | 4,444–5,550 | Jan 29, 2008 |
| Burnett, S. B. Estate "Aaaa" #A403 L | High River Res Operating, LLC | Active | Enhanced recovery | — | 4,000 | 5,160–5,199 | Apr 18, 1990 |
| Burnett, S.B. Estate WA #47 | High River Res Operating, LLC | Active | Enhanced recovery | — | 4,000 | 2,950–5,318 | Nov 29, 1994 |
| Burnett, S. B. Estate "W" #W 14AR | High River Res Operating, LLC | Active | Enhanced recovery | — | 3,500 | 5,050–5,246 | Jul 25, 2018 |
| Burnett, S. B. Estate "Bbbb" #10 | High River Res Operating, LLC | Active | Enhanced recovery | — | 3,000 | 5,448–5,599 | Apr 21, 1995 |
| Burnett, S. B. Estate "YA" #Y 61A | High River Res Operating, LLC | Active | Enhanced recovery | — | 3,000 | 5,036–5,370 | Apr 15, 2019 |
| Forks South Balt Unit #G 35 | Medders Oil Company, Inc. | Active | Enhanced recovery | — | 2,800 | 3,798–3,806 | Jul 24, 2024 |
| Forks South Balt Unit #G 22 | Medders Oil Company, Inc. | Active | Enhanced recovery | — | 2,800 | 3,804–3,820 | Jul 24, 2024 |
| Forks South Balt Unit #G 11 | Medders Oil Company, Inc. | Active | Enhanced recovery | — | 2,800 | 3,820–3,834 | Jul 24, 2024 |
| Burnett Ranch CO2 Flood "PA1" #Q316 | High River Res Operating, LLC | Active | Enhanced recovery | — | 2,685 | 5,210–5,430 | Apr 10, 2015 |
| QQQ/Ross (Strawn Sand) Unit #10 | High River Res Operating, LLC | Active | Disposal | — | 2,500 | 5,100–5,340 | May 24, 2019 |
| QQQ/Ross (Strawn Sand) Unit #11 | High River Res Operating, LLC | Active | Disposal | — | 2,500 | 5,070–5,310 | May 24, 2019 |
| Big -S- (Twin Peaks) Unit #G250 U | High River Res Operating, LLC | Active | Enhanced recovery | — | 2,500 | 5,240–5,480 | Dec 16, 1993 |
| Burnett Ranch CO2 Flood "PA1" #N 88A | High River Res Operating, LLC | Active | Enhanced recovery | — | 2,500 | 5,075–5,450 | Feb 26, 2018 |
| Big -S- (Twin Peaks) Unit #G227 | High River Res Operating, LLC | Active | Enhanced recovery | — | 2,000 | 5,236–5,310 | Dec 16, 1993 |
| Big -S- (Twin Peaks) Unit #G242 | High River Res Operating, LLC | Active | Enhanced recovery | — | 2,000 | 5,280–5,320 | Dec 16, 1993 |
| Ratliff #1 | International Western Oil Corp | Active | Disposal | — | 2,000 | 3,564–3,864 | Jul 10, 1998 |
| Pitchfork Balt Waterflood Unit #A 4 | Medders Oil Company, Inc. | Active | Enhanced recovery | — | 1,600 | 3,786–3,860 | Mar 12, 2012 |
| Burnett Ranch CO2 Flood "PA1" #E201 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,500 | 5,285–5,465 | Oct 25, 2016 |
| Burnett, S. B. Estate "NA" #39 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,500 | 2,668–2,690 | Apr 19, 1995 |
| Burnett, S. B. Estate "NA" #83 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,500 | 2,666–2,726 | Jun 30, 1995 |
| Burnett, S. B. Estate "Hhhh" #12 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,250 | 5,796–5,825 | Jun 2, 1993 |
| Burnett, S. B. Estate "W" #W 41A | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,200 | 5,198–5,260 | Jan 10, 1991 |
| Burnett, S. B. Estate "W" #W 24 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,000 | 5,318–5,353 | Mar 19, 1986 |
| Burnett, S. B. Estate "W" #W 43A | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,000 | 3,660–5,781 | Aug 24, 2006 |
| QQQ/Ross (Strawn Sand) Unit #6 | High River Res Operating, LLC | Active | Disposal | — | 1,000 | 5,130–5,354 | Jul 28, 2017 |
| Bissett, NE (Strawn Lime) #3 | New Height Energy, LLC | Active | Enhanced recovery | — | 1,000 | 5,096–5,227 | Nov 16, 1989 |
| Burnett, S. B. Estate "Hhhh" #11 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,000 | 5,820–5,870 | Mar 27, 1991 |
| Burnett, S. B. Estate "GG" #37 | High River Res Operating, LLC | Active | Enhanced recovery | — | 1,000 | 5,850–5,900 | Jun 27, 1991 |
| Alexander Trust "N" #14 | Patton Exploration, Inc. | Active | Enhanced recovery | — | 900 | 3,098–3,110 | Feb 17, 1988 |
| Burnett Ranch CO2 Flood "PA1" #N 86R | High River Res Operating, LLC | Active | Enhanced recovery | — | 900 | 5,075–5,450 | Mar 28, 2013 |
| Burnett, S. B. Estate "D" #11W | Citation Oil & Gas Corp. | Active | Enhanced recovery | — | 800 | 5,332–5,354 | Nov 29, 1995 |
| 6666-Pitchfork Unit #2PF | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,742–3,818 | Mar 26, 2025 |
| 6666-Pitchfork Unit #11PF | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,807–3,880 | Mar 26, 2025 |
| 6666-Pitchfork Unit #4FO | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,780–3,857 | Mar 25, 2025 |
| 6666-Pitchfork Unit #6FO | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,777–3,852 | Mar 25, 2025 |
| 6666-Pitchfork Unit #10FO | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,697–3,765 | Mar 25, 2025 |
| 6666-Pitchfork Unit #1SO | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,758–3,827 | Mar 25, 2025 |
| 6666-Pitchfork Unit #10SO | Burnett Oil Co., Inc. | Active | Enhanced recovery | — | 800 | 3,749–3,823 | Mar 25, 2025 |
| Springer, W. A. Jr. #3 | Patton Exploration, Inc. | Active | Enhanced recovery | — | 600 | 3,548–3,550 | Aug 22, 2005 |
| Burnett, S. B. Estate "Bbbb" #9 | High River Res Operating, LLC | Active | Enhanced recovery | — | 500 | 5,956–5,967 | Oct 28, 1992 |
| Burnett, S. B. Estate "Aaaa" #A409 U | High River Res Operating, LLC | Active | Enhanced recovery | — | 500 | 5,148–5,174 | Jan 9, 1990 |
| Burnett, S. B. Estate "Aaaa" #A409 L | High River Res Operating, LLC | Active | Enhanced recovery | — | 500 | 5,248–5,270 | Jan 9, 1990 |
| Parramore "74" #6 | Williams, A. Oil | Active | Disposal | — | 250 | 3,122–3,134 | Jul 11, 2003 |
| Alexander "A" #1D | Patton Exploration, Inc. | Active | Disposal | — | 120 | 2,876–2,917 | Jan 7, 1975 |
| Katz (Strawn) Unit #222 | Atlas Operating LLC | Active | Enhanced recovery | — | 10,000 | 4,790–5,456 | Sep 24, 2014 |
| A.W.M. #9 | Burnett Oil Co., Inc. | Active | Disposal | — | 10,000 | 4,389–4,450 | Jun 26, 2026 |
| Tumbleweed Foster Unit #U 1A | Ridglea Energy I, LLC | Active | Enhanced recovery | — | 1,000 | 3,900–3,960 | Jul 22, 1988 |
| Tumbleweed Foster Unit #12 | Ridglea Energy I, LLC | Active | Enhanced recovery | — | 1,000 | 3,864–3,884 | Apr 10, 1990 |
| Simpson #2 | Creed Operating Co., LLC | Active | Enhanced recovery | — | 1,000 | 3,305–3,311 | Sep 14, 2005 |
| Simpson #8A | Creed Operating Co., LLC | Active | Enhanced recovery | — | 1,000 | 3,316–3,317 | Sep 14, 2005 |
| Tumbleweed Foster Unit #4 | Ridglea Energy I, LLC | Active | Enhanced recovery | — | 800 | 3,839–3,854 | Jul 7, 1995 |
| Simpson #5 | Creed Operating Co., LLC | Active | Enhanced recovery | — | 600 | 3,306–3,330 | Jul 25, 1995 |
| Gibson, Merrick #2 | Creed Operating Co., LLC | Active | Disposal | — | 500 | 4,500–5,355 | May 4, 1983 |
| Bateman Trust Est. Account No. 1 #30 | New Height Energy, LLC | Canceled | Enhanced recovery | 695K | 5,000 | 5,230–5,325 | Feb 10, 2019 |
| Burnett Ranch CO2 Flood "PA1" #1MI | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 8,000 | 5,150–5,800 | Jul 17, 2023 |
| Forks South Balt Unit #C 5 | Medders Oil Company, Inc. | Canceled | Enhanced recovery | — | 2,800 | 3,784–3,803 | Jan 13, 2020 |
| Pitchfork Balt Waterflood Unit #V 2 | Medders Oil Company, Inc. | Canceled | Enhanced recovery | — | 1,600 | 3,666–3,860 | Mar 12, 2012 |
| Hardwick #1R | S.B. Street Operating, Inc. | Canceled | Enhanced recovery | — | 1,000 | 5,220–5,300 | Jun 9, 2023 |
| Burnett, S. B. "N" #N 79 | Hunt Oil Company | Inactive | Disposal | — | 11,250 | 6,388–6,544 | Oct 17, 2006 |
| Parramore, J. H. "B" #3D | J & M SWD, LLC | Plugged | Disposal | — | 10,000 | 3,140–3,144 | Dec 18, 2007 |
| Katz (Strawn) Unit #212 | Kinder Morgan Production Co LLC | Canceled | Enhanced recovery | — | 10,000 | 4,886–5,258 | Oct 1, 2014 |
| Burnett, S. B. Estate #Y 12A | Hunt Oil Company | Canceled | Enhanced recovery | — | 8,300 | 5,426–5,513 | May 17, 1989 |
| Burnett, S. B. Estate #Y 12 | Hunt Oil Company | Canceled | Enhanced recovery | — | 8,250 | 5,470–5,530 | Dec 28, 1989 |
| Burnett, S. B. Estate #N 80 L | Hunt Oil Company | Canceled | Enhanced recovery | — | 6,450 | 2,675–5,481 | May 6, 2008 |
| Burnett, S. B. Estate #Y 20AR | Hunt Oil Company | Canceled | Enhanced recovery | — | 6,285 | 5,230–5,610 | Nov 14, 2014 |
| Burnett, S. B. Estate #N 65 L | Hunt Oil Company | Plugged | Enhanced recovery | — | 6,100 | 5,296–5,618 | Jun 24, 1993 |
| Burnett, S. B. Estate "N" #65 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 6,100 | 5,556–5,617 | May 17, 1989 |
| Burnett, S. B. Estate #N 10AL | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,900 | 5,318–5,424 | May 17, 1989 |
| Burnett, S. B. Estate #N 26 | Hunt Oil Company | Plugged | Enhanced recovery | — | 5,850 | 3,860–5,342 | Jul 15, 1999 |
| Burnett, S. B. Estate #N 26 | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,850 | 3,860–5,342 | Jul 15, 1999 |
| Burnett, S. B. Estate #N 9A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,800 | 5,346–5,452 | May 17, 1989 |
| Burnett, S. B. Estate #Y 31A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,700 | 5,121–5,478 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 26A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,700 | 5,114–5,482 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 94A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,550 | 5,110–5,520 | Oct 2, 1998 |
| Burnett, S. B. Estate #N 7A | Hunt Oil Company | Plugged | Enhanced recovery | — | 5,500 | 5,330–5,392 | May 17, 1989 |
| Burnett, S. B. Estate #Y 9 L | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,325 | 5,297–5,566 | Feb 11, 1992 |
| Burnett Ranch CO2 Flood "PA1" #Y 22A | Hunt Oil Company | Plugged | Enhanced recovery | — | 5,250 | 5,160–5,510 | Oct 2, 1998 |
| Burnett Ranch CO2 Flood "PA1" #Y 63A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,100 | 5,388–5,408 | Jul 1, 1986 |
| Burnett Ranch CO2 Flood "PA1" #Y 85A | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,100 | 5,276–5,581 | Oct 2, 1998 |
| Burnett, S. B. Estate "X" #4 X | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,000 | 5,201 | Jul 29, 1986 |
| Sowell "A" #2 | Hunt Oil Company | Canceled | Enhanced recovery | — | 5,000 | 5,197–5,238 | Jun 24, 1987 |
| Katz (Strawn) Unit #1221 | Kinder Morgan Production Co LLC | Plugged | Enhanced recovery | — | 5,000 | 4,814–5,102 | Mar 11, 2009 |
| Katz (Strawn) Unit #121 | Kinder Morgan Production Co LLC | Canceled | Enhanced recovery | — | 5,000 | 4,850–5,148 | Mar 11, 2009 |
| Henderson #1 | Henderson & Erickson, Inc. | Canceled | Disposal | — | 5,000 | 4,030–5,978 | Aug 3, 2007 |
| Katz (Strawn) Unit #108 | Kinder Morgan Production Co LLC | Canceled | Enhanced recovery | — | 5,000 | 4,750–5,455 | May 17, 2011 |
| Burnett, S. B. Estate "Aaaa" #AA 1AA | Gunn Management Company | Plugged | Enhanced recovery | — | 5,000 | 5,246–5,274 | Oct 14, 1986 |
| Burnett, S. B. Estate #Y 19 | Hunt Oil Company | Plugged | Enhanced recovery | — | 4,950 | 5,300–5,652 | Oct 5, 1998 |
| Burnett, S. B. Estate #Y 20 | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,950 | 5,274–5,600 | Oct 2, 1998 |
| Burnett Ranch CO2 Flood "PA1" #N 91 | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,800 | 5,140–5,455 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 28 | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,800 | 5,160–5,510 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 88A | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,800 | 5,168–5,545 | Oct 2, 1998 |
| Burnett, S. B. Estate #N 17 | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,650 | 5,117–5,404 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 13A | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,650 | 5,184–5,540 | Oct 2, 1998 |
| Ross, W. R. "A" #7D | Armor Petroleum, Inc. | Plugged | Enhanced recovery | — | 4,500 | 5,382–5,629 | Jan 18, 1994 |
| Burnett, S. B. Estate "QQQ" #15 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 4,500 | 5,386–5,431 | May 17, 1989 |
| QQQ/Ross (Strawn Sand) Unit #17 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 4,500 | 5,376–5,406 | May 17, 1989 |
| Ross, W. R. "A" #7 | Marathon Oil Company | Canceled | Enhanced recovery | — | 4,500 | 5,382–5,629 | Jan 18, 1994 |
| Burnett, S. B. Estate "NA" #5 | Hunt Oil Company | Canceled | Enhanced recovery | — | 4,300 | 5,312–5,370 | May 17, 1989 |
| Burnett, S. B. Estate #N 11 | Hunt Oil Company | Plugged | Enhanced recovery | — | 4,200 | 5,313–5,350 | Aug 10, 1992 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Mar 9, 1981 | 111450 | Edwards, Gus Co. | Gibson, J. J. - SWD #1D 26980156 |
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/king, documented in the API reference.