Saltwater Disposal Wells in King County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
154
Permitted Capacity
478,995 bbl/d
Injected 12mo (thru 2025-06)
15.8M bbl
UIC Permits All Time
537
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | BURNETT, S. B. ESTATE NORTH #Y 12A | 42-269-30229 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,277 |
| Plugged | BURNETT, S. B. ESTATE "YA" #Y 19A | 42-269-00395 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,384 |
| Plugged | BURNETT, S. B. ESTATE "WA" #17 | 42-269-30919 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,272 |
| Cancelled | BURNETT, S. B. ESTATE "N" #N 6 | 42-269-30211 | UNION HILL DRILLING CO | Injection | 0 | -- | 2,884 |
| Plugged | ALEXANDER TRUST "N" #2W | 42-269-30099 | SAUDER MANAGEMENT CO | Injection | 0 | -- | -- |
| Plugged | BURNETT, S. B. ESTATE "WM" #5 | 42-269-30906 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,314 |
| Plugged | BURNETT, S. B. ESTATE "WM" #30 U | 42-269-31296 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,408 |
| Plugged | BURNETT, S. B. ESTATE "C" #C 10 | 42-269-30213 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,382–5,394 |
| Plugged | BURNETT, S. B. ESTATE "C" #C 14 | 42-269-30900 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,264–5,280 |
| Plugged | BURNETT, S. B. ESTATE "D" #D 5 | 42-269-30053 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,266 |
| Plugged | ROSS, W. R. "B" #5 | 42-269-31034 | MARATHON OIL CO | Disposal | 0 | -- | 5,462–5,616 |
| Cancelled | BATEMAN TRUST EST. ACCOUNT NO. 1 #20 | 42-269-80075 | PPC OPER CO LLC | Injection | 0 | -- | 5,343 |
| Cancelled | BURNETT, S. B. ESTATE "GG" #20 | 42-269-31220 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,431–5,488 |
| Cancelled | BURNETT, S. B. ESTATE "AAA" #19 | 42-269-31640 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 0 | -- | 5,181–5,430 |
| Plugged | BURNETT, S. B ESTATE "WA" #48 | 42-269-31444 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,273 |
| Plugged | BACON, T. #5 | 42-269-31293 | CRT'S, INC | Injection | 0 | -- | 3,253 |
| Cancelled | BURNETT, S. B. ESTATE "W" #0 | 42-269-31359 | TERRA RES, INC | Injection | 0 | -- | 5,168 |
| Plugged | BURNETT, S. B. ESTATE #I 1 | 42-269-30067 | TAUBERT, STEED, GUNN & MEDDERS | UIC | 0 | -- | -- |
| Plugged | BURNETT, S. B. ESTATE "C" #C 1 | 42-269-30025 | TAUBERT, STEED, GUNN & MEDDERS | UIC | 0 | -- | -- |
| Cancelled | BURNETT, S. B. ESTATE "N" #6W | 42-269-30211 | UNION HILL DRILLING CO | UIC | 0 | -- | -- |
| Plugged | SPRINGER, W. A. JR. "B" #2 | 42-269-10029 | POLK & PATTON, INC | Injection | 0 | -- | -- |
| Plugged | BURNETT, S. B. ESTATE "FF" #4 | 42-269-30390 | TAUBERT, STEED, GUNN & MEDDERS | UIC | 0 | -- | -- |
| Plugged | BURNETT, S. B. ESTATE "NA" #18 | 42-269-30350 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 0 | -- | 2,628 |
| Plugged | HARDWICK #9 | 42-269-80016 | FINA OIL & CHEMICAL CO | UIC | 0 | -- | 2,115 |
| Plugged | ROSS, W. R. "A" #9D | 42-269-00302 | MARATHON OIL CO | UIC | 0 | -- | 5,290 |
| Plugged | ROSS, W. R. "B" #4D | 42-269-00304 | MARATHON OIL CO | Injection | 0 | -- | 5,460–5,609 |
| Cancelled | BURNETT, S. B. ESTATE "YT" #1T | 42-269-30246 | PACIFIC ENTERPRISES OIL CO.(USA) | Disposal | 0 | -- | 2,904–2,968 |
| Plugged | BURNETT, S. B. ESTATE "D" #D 10W | 42-269-30073 | UNION HILL DRILLING CO | UIC | 0 | -- | -- |
| Plugged | SPRINGER, W. A. JR. #2D | 42-269-10312 | SRG OIL CORP | Injection | 0 | -- | 3,546–3,561 |
| Plugged | BATEMAN #1 | 42-269-30125 | SULLIVAN, HOLLIS R | Injection | 0 | -- | 3,901 |
| Plugged | BURNETT, S. B. ESTATE "WM" #6 | 42-269-31004 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 0 | -- | 5,267 |
| Plugged | PITCHFORK-MAVERICK "B" #6 | 42-269-30972 | MEDDERS OIL CO, INC | Injection | 0 | -- | 3,725 |
| Plugged | NIBLO "73" #4 | 42-269-31193 | CLEAR FORK, INC | Injection | 0 | -- | 3,136 |
| Plugged | BURNETT, S. B. ESTATE "AAA" #5 | 42-269-31079 | UNION HILL DRILLING CO | Injection | 0 | -- | 5,205 |
| Plugged | PITCHFORK LAND & CATTLE CO. #E 1 | 42-269-10228 | MEDDERS OIL CO | Injection | 0 | -- | 3,710 |
| Plugged | BURNETT, S. B. ESTATE "YT" #1 T | 42-269-30246 | UNION HILL DRILLING CO | Injection | 0 | -- | 2,810 |
| Plugged | BURNETT, S. B. ESTATE "YT" #4 T | 42-269-30255 | UNION HILL DRILLING CO | Injection | 0 | -- | 2,764 |
page 6 of 6 · 537 wells
Source: RRC UIC well master and H-10 injection filings. H-10s are annual filings on staggered anniversaries — injected volumes shown through 2025-06, the newest month with complete reporting; recent months are never estimated.