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 6 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, S. B. Estate "FF" #4 | Gunn Management Company | Plugged | Enhanced recovery | — | — | — | — |
| Burnett, S. B. Estate "D" #D 10W | Hunt Oil Company | Plugged | Enhanced recovery | — | — | — | — |
| Alexander Trust "N" #2W | Sauder Management Company | Plugged | Disposal | — | — | — | Oct 17, 1975 |
| Ross, W. R. "A" #9D | Marathon Oil Company | Plugged | Disposal | — | — | 5,290 | — |
| Ross, W. R. "B" #4D | Marathon Oil Company | Plugged | Disposal | — | — | 5,460–5,609 | May 22, 1986 |
| Springer, W. A. Jr. #2D | SRG Oil Corporation | Canceled | Disposal | — | — | 3,546–3,561 | Dec 30, 1968 |
| Burnett, S. B. Estate "Aaa" #5 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,205 | Dec 29, 1986 |
| Springer, W. A. Jr. "B" #2 | Polk & Patton, Inc. | Plugged | Disposal | — | — | — | Aug 31, 1982 |
| Burnett, S. B. Estate "YT" #1T | Pacific Enterprises Oil Co.(usa) | Canceled | Disposal | — | — | 2,904–2,968 | Oct 4, 1983 |
| Pitchfork Land & Cattle Co. #E 1 | Medders Oil Company | Canceled | Disposal | — | — | 3,710 | May 22, 1984 |
| Pitchfork-Maverick "B" #6 | Medders Oil Company, Inc. | Canceled | Enhanced recovery | — | — | 3,725 | Jan 10, 1985 |
| Niblo "73" #4 | Clear Fork, Incorporated | Plugged | Enhanced recovery | — | — | 3,136 | Feb 6, 1985 |
| Burnett, S. B. Estate "Wm" #6 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | — | 5,267 | May 15, 1985 |
| Burnett, S. B. Estate "NA" #18 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | — | 2,628 | Jul 12, 1985 |
| Burnett, S. B. Estate "W" #0 | Terra Resources, Inc. | Canceled | Disposal | — | — | 5,168 | Mar 13, 1985 |
| Bacon, T. #5 | Crt's, Inc. | Canceled | Disposal | — | — | 3,253 | Jul 22, 1985 |
| Burnett, S. B Estate "WA" #48 | Hunt Oil Company | Canceled | Disposal | — | — | 5,273 | Aug 15, 1985 |
| Bateman #1 | Sullivan, Hollis R. | Plugged | Enhanced recovery | — | — | 3,901 | Jul 31, 1985 |
| Bateman Trust Est. Account No. 1 #20 | PPC Operating Company LLC | Canceled | Enhanced recovery | — | — | 5,343 | Aug 28, 1985 |
| Ross, W. R. "B" #5 | Marathon Oil Company | Canceled | Disposal | — | — | 5,462–5,616 | Apr 1, 1986 |
| Burnett, S. B. Estate "N" #N 6 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 2,884 | Jun 3, 1986 |
| Burnett, S. B. Estate "YT" #1 T | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 2,810 | Jun 3, 1986 |
| Burnett, S. B. Estate "YT" #4 T | Hunt Oil Company | Plugged | Enhanced recovery | — | — | 2,764 | Jun 3, 1986 |
| Burnett, S. B. Estate "Uuu" #2 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 2,724 | Jun 3, 1986 |
| Burnett, S. B. Estate "Y" #24 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,300 | Jun 27, 1986 |
| Burnett, S. B. Estate "Y" #Y 5 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | — | 5,293 | Jun 27, 1986 |
| Burnett, S. B. Estate North #Y 12A | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,277 | Jul 1, 1986 |
| Burnett, S. B. Estate "YA" #Y 19A | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,384 | Jul 1, 1986 |
| Burnett, S. B. Estate "WA" #17 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,272 | Jul 2, 1986 |
| Burnett, S. B. Estate "Wm" #5 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,314 | Jul 2, 1986 |
| Burnett, S. B. Estate "Wm" #30 U | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,408 | Jul 2, 1986 |
| Burnett, S. B. Estate "D" #D 5 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,266 | Oct 20, 1986 |
| Burnett, S. B. Estate "C" #C 10 | Hunt Oil Company | Canceled | Disposal | — | — | 5,382–5,394 | Nov 10, 1986 |
| Burnett, S. B. Estate "C" #C 14 | Hunt Oil Company | Plugged | Enhanced recovery | — | — | 5,264–5,280 | Nov 10, 1986 |
| Burnett, S. B. Estate "GG" #20 | Hunt Oil Company | Canceled | Enhanced recovery | — | — | 5,431–5,488 | Nov 20, 1986 |
| Burnett, S. B. Estate "Aaa" #19 | Pacific Enterprises Oil Co.(usa) | Canceled | Enhanced recovery | — | — | 5,181–5,430 | Dec 8, 1986 |
| Burnett, S. B. Estate #U318 | Hunt Oil Company | Plugged | Enhanced recovery | — | — | 5,425–5,445 | Dec 28, 1989 |
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.