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 RANCH CO2 FLOOD "PA1" #Y 63AL | 42-269-31618 | HIGH RIVER RES OPER, LLC | Injection | 4,000 | -- | 5,000–5,422 |
| Cancelled | BURNETT, S.B -W- #W 9 | 42-269-00000 | TERRA RES, INC | Injection | 4,000 | -- | 5,170–5,220 |
| Plugged | KATZ (STRAWN) UNIT #2122 | 42-269-32006 | KINDER MORGAN PROD CO LLC | Injection | 4,000 | -- | 4,854–5,128 |
| Inactive | BURNETT, S. B. ESTATE "D" #34 | 42-269-31966 | HIGH RIVER RES OPER, LLC | Injection | 4,000 | -- | 5,200–5,500 |
| Plugged | BURNETT, S.B. EST. "1A/2A SAND" #Y 16A | 42-269-30241 | UNION HILL DRILLING CO | Injection | 3,900 | -- | 5,193–5,485 |
| Plugged | BURNETT, S. B. ESTATE #Y 18AL | 42-269-30253 | UNION HILL DRILLING CO | Injection | 3,600 | -- | 5,160–5,493 |
| Plugged | BURNETT, S. B. ESTATE #Y 14 | 42-269-30280 | UNION HILL DRILLING CO | Injection | 3,525 | -- | 5,424–5,498 |
| Plugged | BURNETT, S.B. EST. "W" #39A | 42-269-31357 | UNION HILL DRILLING CO | Injection | 3,500 | -- | 4,950–5,262 |
| Plugged | BURNETT, S. B. ESTATE #Q303 L | 42-269-31289 | UNION HILL DRILLING CO | Injection | 3,500 | -- | 5,440–5,475 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #Y 87A | 42-269-32063 | UNION HILL DRILLING CO | Injection | 3,375 | -- | 5,460–5,580 |
| Plugged | BURNETT, S. B. ESTATE "NA" #2 | 42-269-30293 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 3,300 | -- | 5,407–5,448 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #Q314 | 42-269-31800 | UNION HILL DRILLING CO | Injection | 3,220 | -- | 5,225–5,470 |
| Plugged | BURNETT, S. B. ESTATE #W 30ML | 42-269-31296 | UNION HILL DRILLING CO | Injection | 3,000 | -- | 5,530–5,561 |
| Plugged | BURNETT, S. B. ESTATE "Y" #9 Y | 42-269-30195 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 3,000 | -- | 5,297–5,333 |
| Plugged | BURNETT, S. B. ESTATE #N 83 | 42-269-32094 | UNION HILL DRILLING CO | Injection | 3,000 | -- | 5,370–5,470 |
| Plugged | BATEMAN TRUST EST. ACCOUNT NO. 1 #39 | 42-269-00234 | GRANDFIELD CONSULTING, INC | Injection | 3,000 | -- | 3,700–3,950 |
| Inactive | BURNETT, S. B. ESTATE #N 62 | 42-269-31284 | UNION HILL DRILLING CO | Injection | 3,000 | -- | 5,360–5,460 |
| Plugged | QQQ/ROSS (STRAWN SAND) UNIT #19 U | 42-269-31920 | UNION HILL DRILLING CO | Injection | 3,000 | -- | 5,185–5,444 |
| Cancelled | BATEMAN TRUST EST. ACCOUNT NO. 1 #26W | 42-269-00220 | PPC OPER CO LLC | Injection | 3,000 | -- | 5,112–5,196 |
| Cancelled | BURNETT RANCH CO2 FLOOD "PA1" #E201 L | 42-269-30336 | UNION HILL DRILLING CO | Injection | 2,900 | -- | 5,414–5,466 |
| Inactive | FORKS SOUTH BALT UNIT #G 21 | 42-269-32798 | MEDDERS OIL CO, INC | Injection | 2,800 | -- | 3,807–3,813 |
| Plugged | QQQ/ROSS (STRAWN SAND) UNIT #7 | 42-269-31664 | UNION HILL DRILLING CO | Injection | 2,750 | -- | 2,588–5,349 |
| Plugged | QQQ/ROSS (STRAWN SAND) UNIT #13 | 42-269-31719 | UNION HILL DRILLING CO | Injection | 2,750 | -- | 5,110–5,370 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #Q320 L | 42-269-32054 | UNION HILL DRILLING CO | Injection | 2,625 | -- | 5,120–5,425 |
| Plugged | BURNETT, S. B. ESTATE #Y 18 | 42-269-31104 | UNION HILL DRILLING CO | Injection | 2,550 | -- | 5,397–5,442 |
| Plugged | BURNETT, S. B. ESTATE "X" #3 X | 42-269-30112 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 2,500 | -- | 5,210–5,244 |
| Plugged | QQQ/ROSS (STRAWN SAND) UNIT #25 | 42-269-32076 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,110–5,200 |
| Plugged | BURNETT, S. B. ESTATE NORTH #Y 10TU | 42-269-31185 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,390–5,480 |
| Plugged | BURNETT,S. B. ESTATE "NC" #28 | 42-269-30907 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,368–5,400 |
| Plugged | BIG -S- (TWIN PEAKS) UNIT #G245 U | 42-269-32069 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,260–5,534 |
| Inactive | QQQ/ROSS (STRAWN SAND) UNIT #24 | 42-269-32075 | HIGH RIVER RES OPER, LLC | Injection | 2,500 | -- | 5,110–5,200 |
| Plugged | BURNETT, S. B. ESTATE "Y" #8 Y | 42-269-30167 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,293–5,315 |
| Plugged | MASTERSON, BEN & TOM #9 | 42-269-30870 | FREEMAN EXPL. & PROD. CO., INC | Disposal | 2,500 | -- | 5,150–5,170 |
| Plugged | BURNETT, S. B. ESTATE "N" #65 U | 42-269-31245 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,423–5,459 |
| Plugged | BURNETT, S. B. ESTATE "NA" #8 | 42-269-30318 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 2,638–5,395 |
| Inactive | QQQ HIGH RIVER #4 | 42-269-31940 | SOJOURNER DRLG. CORP | Injection | 2,500 | -- | 5,100–5,150 |
| Plugged | BURNETT, S. B. ESTATE "N" #48 | 42-269-31112 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,193–5,300 |
| Plugged | BURNETT, S. B. ESTATE "NB" #N 68B | 42-269-32127 | HIGH RIVER RES OPER, LLC | Injection | 2,500 | -- | 5,228–5,280 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #R345 | 42-269-32119 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,244–5,281 |
| Plugged | BURNETT, S. B. ESTATE "NB" #70 | 42-269-32129 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,210–5,330 |
| Plugged | BURNETT, S. B. ESTATE "N" #66 | 42-269-31233 | UNION HILL DRILLING CO | Injection | 2,500 | -- | 5,266–5,416 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #N 74A | 42-269-31928 | UNION HILL DRILLING CO | Injection | 2,230 | -- | 5,250–5,440 |
| Cancelled | BURNETT, S. B. ESTATE #N 74AR | 42-269-32921 | UNION HILL DRILLING CO | Injection | 2,230 | -- | 5,100–5,450 |
| Plugged | BURNETT, S. B. ESTATE #N 61 | 42-269-31201 | UNION HILL DRILLING CO | Injection | 2,100 | -- | 5,118–5,409 |
| Plugged | BURNETT, S.B. EST. "1A/2A SAND" #N 53 | 42-269-31107 | UNION HILL DRILLING CO | Injection | 2,025 | -- | 5,398–5,445 |
| Plugged | BURNETT, S. B. EST. "1A/2A SAND" #N 36A | 42-269-31179 | UNION HILL DRILLING CO | Injection | 2,025 | -- | 5,155–5,463 |
| Inactive | BURNETT, S.B. EST. "W" #18 | 42-269-31406 | HIGH RIVER RES OPER, LLC | Injection | 2,010 | -- | 5,168–5,334 |
| Plugged | MASTERSON RANCH "A" #3 | 42-269-31845 | CLEAR FORK, INC | Disposal | 2,000 | -- | 4,190–4,449 |
| Plugged | ORSBORN UNIT #1 | 42-269-00082 | GREAT AMERICAN RES INC | Injection | 2,000 | -- | 4,844–5,155 |
| Plugged | BURNETT, S. B. ESTATE "GG" #26 | 42-269-31264 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,283–5,358 |
| Plugged | BATEMAN TRUST EST. ACCOUNT NO. 1 #33 | 42-269-00228 | RELENTLESS PERMIAN OPER LLC | Injection | 2,000 | -- | 5,312–5,315 |
| Inactive | BURNETT AWM RR #1 | 42-269-32433 | HIGH RIVER RES OPER, LLC | Injection | 2,000 | -- | 5,517–5,562 |
| Plugged | BURNETT, S. B. ESTATE "N" #4 | 42-269-30186 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 2,756–2,786 |
| Plugged | BURNETT, S. B. ESTATE #Y 29A | 42-269-30321 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,390–5,570 |
| Plugged | BURNETT, S. B. ESTATE "N" #1 | 42-269-30165 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 2,780–2,822 |
| Plugged | BURNETT, S. B. ESTATE "NB" #N 69B | 42-269-32126 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,200–5,310 |
| Plugged | BATEMAN TRUST EST. ACCOUNT NO. 1 #82 | 42-269-31240 | PPC OPER CO LLC | Injection | 2,000 | -- | 3,400–3,650 |
| Plugged | A.W.M. #10 | 42-269-32232 | BURNETT OIL CO., INC | Injection | 2,000 | -- | 4,000–4,200 |
| Plugged | BURNETT, S. B. "Y/YA" #Y 23 | 42-269-31625 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,300–5,450 |
| Plugged | BURNETT, S. B. ESTATE "N" #55 | 42-269-31155 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,293–5,428 |
| Cancelled | TUMBLEWEED FOSTER UNIT #A 4 | 42-269-31513 | SANCHEZ-O'BRIEN OIL & GAS CORP | Disposal | 2,000 | -- | 4,200–4,399 |
| Plugged | ORSBORN UNIT #26 | 42-269-31398 | CHOLLA PETRO, INC | Injection | 2,000 | -- | 4,900–5,240 |
| Plugged | BURNETT, S. B. ESTATE "D" #D 4 | 42-269-30052 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 3,077–5,497 |
| Plugged | ORSBORN UNIT #36 | 42-269-31900 | CHOLLA PETRO, INC | Injection | 2,000 | -- | 4,900–5,200 |
| Plugged | BURNETT, S. B. ESTATE "NB" #N 50B | 42-269-31274 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 4,045–5,254 |
| Plugged | BURNETT, S. B. ESTATE "NB" #N 43B | 42-269-31207 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,220–5,280 |
| Plugged | BURNETT, S. B. ESTATE "NB" #41 | 42-269-30793 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,260–5,310 |
| Plugged | BURNETT, S. B. ESTATE "NB" #N 35B | 42-269-31151 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 4,950–5,350 |
| Plugged | BURNETT, S. B. ESTATE "GG" #G231 | 42-269-31462 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 5,268–5,310 |
| Plugged | BURNETT, S. B. ESTATE "N" #3 R | 42-269-30197 | UNION HILL DRILLING CO | Injection | 2,000 | -- | 2,836–2,894 |
| Plugged | BIG -S- (TWIN PEAKS) UNIT #G240 | 42-269-31956 | HIGH RIVER RES OPER, LLC | Injection | 2,000 | -- | 5,270–5,310 |
| Plugged | MASTERSON RANCH "AA" #1 | 42-269-32116 | CLEAR FORK, INC | Disposal | 2,000 | -- | 3,956–4,037 |
| Plugged | BATEMAN TRUST EST. ACCOUNT NO. 1 #101 | 42-269-32251 | PPC OPER CO LLC | Injection | 2,000 | -- | 5,342–5,354 |
| Plugged | ORSBORN UNIT #41 | 42-269-31993 | CHOLLA PETRO, INC | Injection | 2,000 | -- | 4,870–5,200 |
| Plugged | BURNETT, S. B. ESTATE "WM" #6 | 42-269-31004 | UNION HILL DRILLING CO | Injection | 1,800 | -- | 5,267–5,480 |
| Cancelled | BURNETT, S. B. ESTATE "NA" #71 | 42-269-31930 | UNION HILL DRILLING CO | Injection | 1,725 | -- | 2,670–2,710 |
| Cancelled | BURNETT, S. B. ESTATE "NA" #NA8 | 42-269-30318 | PACIFIC ENTERPRISES OIL CO.(USA) | Injection | 1,650 | -- | 5,344–5,395 |
| Plugged | BURNETT, S. B. ESTATE "WA" #61 | 42-269-31742 | UNION HILL DRILLING CO | Injection | 1,650 | -- | 5,086–5,116 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #N 78A | 42-269-00365 | UNION HILL DRILLING CO | Injection | 1,645 | -- | 5,200–5,520 |
| Plugged | BISSETT, NE (STRAWN LIME) #9 | 42-269-31046 | GUNN OIL CO | Injection | 1,600 | -- | 5,314–5,369 |
| Plugged | PITCHFORK BALT WATERFLOOD UNIT #A 2 | 42-269-32216 | MEDDERS OIL CO, INC | Injection | 1,600 | -- | 3,802–3,860 |
| Inactive | PITCHFORK BALT WATERFLOOD UNIT #B 5 | 42-269-32381 | MEDDERS OIL CO, INC | Injection | 1,600 | -- | 3,718–3,860 |
| Plugged | BURNETT, S. B. ESTATE #Y 13 L | 42-269-30243 | UNION HILL DRILLING CO | Injection | 1,600 | -- | 5,469–5,486 |
| Plugged | BURNETT, S. B. ESTATE "WM" #16 | 42-269-31127 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 2,762–2,780 |
| Plugged | BURNETT, S. B. ESTATE "NA" #26 | 42-269-30908 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 2,630–2,690 |
| Inactive | BURNETT, S. B. ESTATE "N" #85 | 42-269-32161 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 2,710–2,790 |
| Inactive | BURNETT, S. B. ESTATE "HHHH" #10 | 42-269-31680 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 5,890–5,940 |
| Plugged | BURNETT, S. B. ESTATE "NA" #79 | 42-269-32150 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 2,630–2,740 |
| Plugged | BURNETT RANCH CO2 FLOOD "PA1" #G222 | 42-269-31194 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 5,170–5,430 |
| Plugged | BURNETT, S. B. ESTATE #Q319 L | 42-269-31920 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 5,397–5,444 |
| Inactive | BURNETT, S. B. ESTATE "GG" #33 | 42-269-31597 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 2,790–2,870 |
| Inactive | BURNETT RANCH CO2 FLOOD "PA1" #G244 | 42-269-32053 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 2,850–5,540 |
| Plugged | BURNETT, S. B. ESTATE "C" #C 13 | 42-269-30899 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 5,179–5,315 |
| Plugged | BURNETT, S. B. ESTATE "UUU" #7 | 42-269-31478 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 2,646–2,664 |
| Plugged | BATEMAN RANCH BB #7 | 42-269-31280 | RELENTLESS PERMIAN OPER LLC | Injection | 1,500 | -- | 3,650–3,730 |
| Plugged | BURNETT, S. B. ESTATE "WM" #18 | 42-269-31152 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 3,920–5,306 |
| Plugged | BURNETT, S. B. ESTATE "D" #D 31 | 42-269-00000 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 5,190–5,225 |
| Cancelled | BATEMAN TRUST EST. ACCOUNT NO. 1 #18 | 42-269-00000 | YOUNGBLOOD, C. S. III | UIC | 1,500 | -- | 444–5,208 |
| Plugged | BURNETT, S. B. ESTATE "N" #89 | 42-269-32183 | HIGH RIVER RES OPER, LLC | Injection | 1,500 | -- | 2,700–2,860 |
| Plugged | BURNETT, S. B. ESTATE "NA" #77 | 42-269-31961 | UNION HILL DRILLING CO | Injection | 1,500 | -- | 2,700–2,760 |
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.