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 3 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" #Y 63AL | High River Res Operating, LLC | Plugged | Enhanced recovery | — | 4,000 | 5,000–5,422 | Jul 5, 2019 |
| Katz (Strawn) Unit #2122 | Kinder Morgan Production Co LLC | Plugged | Enhanced recovery | — | 4,000 | 4,854–5,128 | Mar 19, 1992 |
| Burnett, S.B -W- #W 9 | Terra Resources, Inc. | Canceled | Enhanced recovery | — | 4,000 | 5,170–5,220 | Sep 8, 1986 |
| Burnett, S. B. Estate "D" #34 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 4,000 | 5,200–5,500 | Jan 15, 2025 |
| Burnett, S.B. Est. "1A/2A Sand" #Y 16A | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,900 | 5,193–5,485 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 18AL | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,600 | 5,160–5,493 | Oct 2, 1998 |
| Burnett, S. B. Estate #Y 14 | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,525 | 5,424–5,498 | May 6, 1991 |
| Burnett, S. B. Estate #Q303 L | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,500 | 5,440–5,475 | May 17, 1989 |
| Burnett, S.B. Est. "W" #39A | Hunt Oil Company | Plugged | Enhanced recovery | — | 3,500 | 4,950–5,262 | Mar 11, 2010 |
| Burnett Ranch CO2 Flood "PA1" #Y 87A | Hunt Oil Company | Plugged | Enhanced recovery | — | 3,375 | 5,460–5,580 | Aug 30, 1991 |
| Burnett, S. B. Estate "NA" #2 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 3,300 | 5,407–5,448 | May 17, 1989 |
| Burnett Ranch CO2 Flood "PA1" #Q314 | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,220 | 5,225–5,470 | Feb 4, 2015 |
| Bateman Trust Est. Account No. 1 #26W | PPC Operating Company LLC | Canceled | Enhanced recovery | — | 3,000 | 5,112–5,196 | May 4, 1992 |
| Burnett, S. B. Estate #W 30ML | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,000 | 5,530–5,561 | Dec 28, 1989 |
| Burnett, S. B. Estate #N 83 | Hunt Oil Company | Canceled | Enhanced recovery | — | 3,000 | 5,370–5,470 | May 6, 1991 |
| Burnett, S. B. Estate "Y" #9 Y | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 3,000 | 5,297–5,333 | Aug 8, 1991 |
| Burnett, S. B. Estate #N 62 | Hunt Oil Company | Inactive | Enhanced recovery | — | 3,000 | 5,360–5,460 | Aug 30, 1991 |
| QQQ/Ross (Strawn Sand) Unit #19 U | Hunt Oil Company | Plugged | Enhanced recovery | — | 3,000 | 5,185–5,444 | Sep 23, 1991 |
| Bateman Trust Est. Account No. 1 #39 | Grandfield Consulting, Inc. | Plugged | Disposal | — | 3,000 | 3,700–3,950 | Apr 30, 2003 |
| Burnett Ranch CO2 Flood "PA1" #E201 L | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,900 | 5,414–5,466 | May 17, 1989 |
| Forks South Balt Unit #G 21 | Medders Oil Company, Inc. | Inactive | Enhanced recovery | — | 2,800 | 3,807–3,813 | Jul 24, 2024 |
| QQQ/Ross (Strawn Sand) Unit #7 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,750 | 2,588–5,349 | Apr 3, 2008 |
| QQQ/Ross (Strawn Sand) Unit #13 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,750 | 5,110–5,370 | Sep 20, 1991 |
| Burnett Ranch CO2 Flood "PA1" #Q320 L | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,625 | 5,120–5,425 | Nov 8, 1991 |
| Burnett, S. B. Estate #Y 18 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,550 | 5,397–5,442 | May 6, 1991 |
| Burnett, S. B. Estate "Y" #8 Y | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 5,293–5,315 | Mar 20, 1987 |
| Burnett, S. B. Estate "X" #3 X | Pacific Enterprises Oil Co.(usa) | Plugged | Enhanced recovery | — | 2,500 | 5,210–5,244 | Mar 20, 1987 |
| Burnett, S. B. Estate "N" #65 U | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,500 | 5,423–5,459 | Sep 17, 1987 |
| Burnett, S. B. Estate "N" #66 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,500 | 5,266–5,416 | Dec 22, 1994 |
| Burnett, S. B. Estate North #Y 10TU | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,500 | 5,390–5,480 | Sep 17, 1987 |
| Burnett,s. B. Estate "NC" #28 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 5,368–5,400 | Sep 17, 1987 |
| Burnett, S. B. Estate "NA" #8 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 2,638–5,395 | Apr 19, 1995 |
| QQQ/Ross (Strawn Sand) Unit #24 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 2,500 | 5,110–5,200 | Jan 13, 1992 |
| QQQ/Ross (Strawn Sand) Unit #25 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,500 | 5,110–5,200 | Jan 13, 1992 |
| Burnett, S. B. Estate "NB" #70 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 5,210–5,330 | Jun 30, 1993 |
| Burnett Ranch CO2 Flood "PA1" #R345 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,500 | 5,244–5,281 | Jun 16, 1993 |
| Burnett, S. B. Estate "NB" #N 68B | High River Res Operating, LLC | Plugged | Enhanced recovery | — | 2,500 | 5,228–5,280 | Oct 21, 2019 |
| Burnett, S. B. Estate "N" #48 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 5,193–5,300 | Jun 15, 1993 |
| Big -S- (Twin Peaks) Unit #G245 U | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,500 | 5,260–5,534 | Dec 16, 1993 |
| QQQ High River #4 | Sojourner Drilling Corporation | Inactive | Enhanced recovery | — | 2,500 | 5,100–5,150 | Mar 11, 1996 |
| Masterson, Ben & Tom #9 | Freeman Expl. & Prod. Co., Inc. | Plugged | Disposal | — | 2,500 | 5,150–5,170 | Dec 1, 2009 |
| Burnett Ranch CO2 Flood "PA1" #N 74A | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,230 | 5,250–5,440 | Feb 4, 2015 |
| Burnett, S. B. Estate #N 74AR | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,230 | 5,100–5,450 | Aug 8, 2014 |
| Burnett, S. B. Estate #N 61 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,100 | 5,118–5,409 | Oct 2, 1998 |
| Burnett, S.B. Est. "1A/2A Sand" #N 53 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,025 | 5,398–5,445 | May 6, 1991 |
| Burnett, S. B. Est. "1A/2A Sand" #N 36A | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,025 | 5,155–5,463 | Dec 23, 1999 |
| Burnett, S.B. Est. "W" #18 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 2,010 | 5,168–5,334 | Apr 17, 1990 |
| Bateman Trust Est. Account No. 1 #33 | Relentless Permian Operating LLC | Plugged | Enhanced recovery | — | 2,000 | 5,312–5,315 | Jan 31, 1997 |
| Bateman Trust Est. Account No. 1 #82 | PPC Operating Company LLC | Plugged | Enhanced recovery | — | 2,000 | 3,400–3,650 | Jan 31, 1997 |
| Burnett, S. B. "Y/YA" #Y 23 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,300–5,450 | Jun 27, 1986 |
| Orsborn Unit #1 | Great American Resources Inc. | Canceled | Enhanced recovery | — | 2,000 | 4,844–5,155 | Sep 27, 2017 |
| Tumbleweed Foster Unit #A 4 | Oryx Energy Company | Canceled | Disposal | — | 2,000 | 4,200–4,399 | Mar 20, 1987 |
| Burnett, S. B. Estate "N" #55 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,000 | 5,293–5,428 | Jun 15, 1993 |
| Burnett, S. B. Estate "D" #D 4 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 3,077–5,497 | Sep 27, 2000 |
| Burnett, S. B. Estate "GG" #G231 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,268–5,310 | Jun 24, 1993 |
| Burnett, S. B. Estate "NB" #N 35B | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 4,950–5,350 | Aug 19, 2014 |
| Burnett, S. B. Estate "NB" #41 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,260–5,310 | Jun 24, 1993 |
| Burnett, S. B. Estate "NB" #N 43B | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,220–5,280 | Jun 24, 1993 |
| Burnett, S. B. Estate "NB" #N 50B | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,000 | 4,045–5,254 | Apr 30, 1999 |
| Burnett, S. B. Estate "NB" #N 69B | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,200–5,310 | Jun 24, 1993 |
| Big -S- (Twin Peaks) Unit #G240 | High River Res Operating, LLC | Plugged | Enhanced recovery | — | 2,000 | 5,270–5,310 | Dec 16, 1993 |
| Burnett, S. B. Estate "N" #1 | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,000 | 2,780–2,822 | Jan 10, 1994 |
| Burnett, S. B. Estate "N" #3 R | Hunt Oil Company | Canceled | Enhanced recovery | — | 2,000 | 2,836–2,894 | Jan 10, 1994 |
| Burnett, S. B. Estate "N" #4 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 2,756–2,786 | Jan 10, 1994 |
| Burnett, S. B. Estate #Y 29A | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,390–5,570 | Jan 13, 1994 |
| Masterson Ranch "A" #3 | Clear Fork, Incorporated | Plugged | Disposal | — | 2,000 | 4,190–4,449 | Dec 6, 1999 |
| Burnett, S. B. Estate "GG" #26 | Hunt Oil Company | Plugged | Enhanced recovery | — | 2,000 | 5,283–5,358 | Apr 27, 1994 |
| Masterson Ranch "AA" #1 | Clear Fork, Incorporated | Plugged | Disposal | — | 2,000 | 3,956–4,037 | Aug 27, 2008 |
| Bateman Trust Est. Account No. 1 #101 | PPC Operating Company LLC | Plugged | Enhanced recovery | — | 2,000 | 5,342–5,354 | Jun 26, 1997 |
| Orsborn Unit #36 | Cholla Petroleum, Inc. | Plugged | Enhanced recovery | — | 2,000 | 4,900–5,200 | Jun 10, 2016 |
| Orsborn Unit #41 | Cholla Petroleum, Inc. | Plugged | Enhanced recovery | — | 2,000 | 4,870–5,200 | Jun 10, 2016 |
| Orsborn Unit #26 | Cholla Petroleum, Inc. | Plugged | Enhanced recovery | — | 2,000 | 4,900–5,240 | Jun 27, 2016 |
| A.W.M. #10 | Burnett Oil Co., Inc. | Canceled | Disposal | — | 2,000 | 4,000–4,200 | Jul 2, 2019 |
| Burnett Awm RR #1 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 2,000 | 5,517–5,562 | May 1, 2026 |
| Burnett, S. B. Estate "Wm" #6 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,800 | 5,267–5,480 | May 1, 1992 |
| Burnett, S. B. Estate "NA" #71 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,725 | 2,670–2,710 | Mar 20, 2015 |
| Burnett, S. B. Estate "NA" #NA8 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 1,650 | 5,344–5,395 | Oct 18, 1989 |
| Burnett, S. B. Estate "WA" #61 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,650 | 5,086–5,116 | Apr 13, 1999 |
| Burnett Ranch CO2 Flood "PA1" #N 78A | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,645 | 5,200–5,520 | Aug 8, 2014 |
| Burnett, S. B. Estate #Y 13 L | Hunt Oil Company | Plugged | Enhanced recovery | — | 1,600 | 5,469–5,486 | May 17, 1989 |
| Bissett, NE (Strawn Lime) #9 | Gunn Oil Company | Plugged | Enhanced recovery | — | 1,600 | 5,314–5,369 | Nov 16, 1989 |
| Pitchfork Balt Waterflood Unit #B 5 | Medders Oil Company, Inc. | Inactive | Enhanced recovery | — | 1,600 | 3,718–3,860 | Mar 9, 2012 |
| Pitchfork Balt Waterflood Unit #A 2 | Medders Oil Company, Inc. | Plugged | Enhanced recovery | — | 1,600 | 3,802–3,860 | Mar 12, 2012 |
| Bateman Trust Est. Account No. 1 #39 | Exxon Corp. | Canceled | Enhanced recovery | — | 1,500 | 5,138–5,192 | — |
| Burnett, S. B. Estate "AY" #13A | Pacific Enterprises Oil Co.(usa) | Canceled | Disposal | — | 1,500 | 5,834–5,852 | Sep 3, 1981 |
| Burnett Ranch CO2 Flood "PA1" #G222 | High River Res Operating, LLC | Plugged | Enhanced recovery | — | 1,500 | 5,170–5,430 | Oct 18, 2005 |
| Burnett, S. B. Estate "Wm" #18 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,500 | 3,920–5,306 | May 3, 2000 |
| Burnett, S. B. Estate "C" #C 13 | High River Res Operating, LLC | Plugged | Enhanced recovery | — | 1,500 | 5,179–5,315 | Jan 7, 2010 |
| Pen Branch (Upper Strawn) Unit #W 3 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,500 | 5,386–5,393 | Apr 11, 1989 |
| Burnett, S. B. Estate "N" #N 51 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 1,500 | 2,831–2,874 | Apr 23, 1986 |
| Burnett, S. B. Estate "GG" #12 | Hunt Oil Company | Plugged | Enhanced recovery | — | 1,500 | 5,216–5,493 | Jan 3, 2000 |
| Burnett, S. B. Estate "NA" #9 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 1,500 | 5,228–5,244 | Sep 17, 1987 |
| Burnett, S. B. Estate "NA" #40 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | 1,500 | 5,230–5,260 | Sep 17, 1987 |
| Pen Branch (Upper Strawn) Unit #W 6 | Miocene Oil & Gas, Ltd. | Plugged | Enhanced recovery | — | 1,500 | 5,356–5,371 | Apr 11, 1989 |
| Pen Branch (Upper Strawn) Unit #W 7 | Miocene Oil & Gas, Ltd. | Plugged | Enhanced recovery | — | 1,500 | 5,285–5,292 | Apr 11, 1989 |
| Burnett, S. B. Estate "QQQ" #3 U | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,500 | 5,323–5,337 | Sep 17, 1987 |
| Burnett, S. B. Estate "D" #D 31 | Hunt Oil Company | Canceled | Enhanced recovery | — | 1,500 | 5,190–5,225 | Apr 27, 1989 |
| Burnett, S. B. Estate #Q319 L | Hunt Oil Company | Plugged | Enhanced recovery | — | 1,500 | 5,397–5,444 | Dec 28, 1989 |
| Burnett, S. B. Estate "NA" #77 | Hunt Oil Company | Plugged | Enhanced recovery | — | 1,500 | 2,700–2,760 | Apr 15, 2019 |
| Burnett, S. B. Estate "Hhhh" #10 | High River Res Operating, LLC | Inactive | Enhanced recovery | — | 1,500 | 5,890–5,940 | Mar 27, 1991 |
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.