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)
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 98A	42-269-32936	HIGH RIVER RES OPER, LLC	Disposal	40,000	1.8M	6,050–6,650
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 69A	42-269-31684	HIGH RIVER RES OPER, LLC	Injection	4,000	872,526	5,200–5,470
Active	BURNETT, S. B. ESTATE "N" #N 8	42-269-30278	HIGH RIVER RES OPER, LLC	Injection	4,000	800,523	2,700–2,726
Active	BURNETT/GUNN AWM "D" #8	42-269-32415	BURNETT OIL CO., INC	Disposal	3,250	766,275	4,420–4,485
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #41W	42-269-00236	NEW HEIGHT ENERGY, LLC	Injection	7,500	735,980	5,177–5,215
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #34W	42-269-00229	NEW HEIGHT ENERGY, LLC	Injection	7,500	614,250	5,353–5,456
Active	BURNETT, S. B. ESTATE "D" #32	42-269-31890	HIGH RIVER RES OPER, LLC	Injection	3,750	507,839	5,170–5,530
Active	BURNETT, S. B. ESTATE "WM" #8	42-269-31064	HIGH RIVER RES OPER, LLC	Injection	1,500	486,416	2,825–2,930
Active	BURNETT, S. B. ESTATE "AAA" #13	42-269-31195	HIGH RIVER RES OPER, LLC	Injection	5,000	472,727	5,130–6,150
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 11R	42-269-32862	HIGH RIVER RES OPER, LLC	Injection	3,860	464,645	5,050–5,400
Active	A.W.M. #11	42-269-32289	BURNETT OIL CO., INC	Disposal	2,000	445,161	4,586–4,662
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 11AR	42-269-32946	HIGH RIVER RES OPER, LLC	Injection	8,270	406,523	5,166–5,640
Active	KATZ (STRAWN) UNIT #110	42-269-32805	ATLAS OPER LLC	Injection	10,000	374,375	4,761–5,455
Active	BURNETT, S. B. ESTATE "D" #33	42-269-31891	HIGH RIVER RES OPER, LLC	Injection	1,500	366,585	5,200–5,246
Active	KATZ (STRAWN) UNIT #220	42-269-32783	ATLAS OPER LLC	Injection	10,000	329,993	4,808–5,468
Active	BURNETT RANCH CO2 FLOOD "PA1" #Q326	42-269-32214	HIGH RIVER RES OPER, LLC	Injection	5,050	307,909	5,050–5,400
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 10AR	42-269-32925	HIGH RIVER RES OPER, LLC	Injection	11,235	252,875	5,170–5,520
Active	BURNETT, S. B. ESTATE "NA" #55	42-269-31309	HIGH RIVER RES OPER, LLC	Injection	1,500	248,907	2,650–2,710
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #85	42-269-31379	NEW HEIGHT ENERGY, LLC	Injection	2,000	245,484	5,243–5,278
Active	KATZ (STRAWN) UNIT #108A	42-269-32820	ATLAS OPER LLC	Injection	10,000	220,687	4,750–5,455
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #90	42-269-31502	NEW HEIGHT ENERGY, LLC	Injection	3,000	218,700	3,700–3,800
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #32W	42-269-00226	NEW HEIGHT ENERGY, LLC	Injection	3,000	201,206	5,033–5,090
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 27R	42-269-32865	HIGH RIVER RES OPER, LLC	Injection	4,375	197,330	5,100–5,475
Active	BURNETT AWM RR #4	42-269-32477	HIGH RIVER RES OPER, LLC	Injection	2,000	191,428	5,500–5,620
Active	BURNETT AWM RR #5	42-269-32485	HIGH RIVER RES OPER, LLC	Injection	2,000	187,810	5,400–5,620
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 53R	42-269-32866	HIGH RIVER RES OPER, LLC	Injection	3,500	180,280	5,100–5,475
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #83	42-269-31537	NEW HEIGHT ENERGY, LLC	Injection	5,000	172,835	3,500–5,300
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 5AR	42-269-32887	HIGH RIVER RES OPER, LLC	Injection	3,450	166,124	5,010–5,380
Active	BURNETT, S. B. ESTATE "D" #D 36	42-269-32301	HIGH RIVER RES OPER, LLC	Injection	1,500	131,575	5,150–5,530
Active	BURNETT, S. B. ESTATE "RRR" #32	42-269-31892	HIGH RIVER RES OPER, LLC	Injection	675	130,850	5,352–5,977
Active	BURNETT, S. B. ESTATE "UUU" #4	42-269-31399	HIGH RIVER RES OPER, LLC	Injection	1,000	129,380	2,684–2,695
Active	KATZ (STRAWN) UNIT #112	42-269-32831	ATLAS OPER LLC	Injection	10,000	118,060	4,750–5,600
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 69AR	42-269-32919	HIGH RIVER RES OPER, LLC	Injection	2,590	102,313	5,100–5,475
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 49AR	42-269-32943	HIGH RIVER RES OPER, LLC	Injection	7,685	88,731	5,155–5,490
Active	HENDERSON #1X	42-269-32719	RED DIAMOND ENERGY SERVICES, INC	Injection	5,000	88,678	4,030–6,000
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 87	42-269-32066	HIGH RIVER RES OPER, LLC	Injection	3,310	84,300	5,096–5,480
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 76A	42-269-31934	HIGH RIVER RES OPER, LLC	Injection	3,610	78,946	5,196–5,430
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 44R	42-269-32863	HIGH RIVER RES OPER, LLC	Injection	1,500	78,136	5,100–5,475
Active	BURNETT, S. B. ESTATE "RRR" #11	42-269-31539	HIGH RIVER RES OPER, LLC	Injection	865	74,878	5,279–5,901
Active	BURNETT, S. B. ESTATE "D" #18	42-269-10023	CITATION OIL & GAS CORP	Injection	450	66,575	5,334–5,358
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 07AR	42-269-32888	HIGH RIVER RES OPER, LLC	Injection	4,200	64,766	5,030–5,405
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 80R	42-269-32885	HIGH RIVER RES OPER, LLC	Injection	5,250	63,601	5,110–5,490
Active	HAVINS, C.N #1	42-269-32021	MWL ENERGY LLC	Disposal	600	63,406	3,548–3,710
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 13AR	42-269-32929	HIGH RIVER RES OPER, LLC	Injection	3,775	63,339	5,140–5,520
Active	SPRINGER WILSON 192 #6	42-269-32610	BUCK WHEAT RES, L.P	Injection	1,000	63,200	3,718–3,738
Active	BATEMAN TRUST EST. ACCOUNT NO. 1 #89	42-269-31497	NEW HEIGHT ENERGY, LLC	Injection	1,500	61,912	3,600–3,700
Active	FOSTER #2	42-269-32595	SCHALK OIL CO, INC	Injection	1,500	60,515	3,220–3,882
Active	PITCHFORK BALT WATERFLOOD UNIT #A 7	42-269-32421	MEDDERS OIL CO, INC	Injection	1,600	54,174	3,805–3,860
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 53AR	42-269-32942	HIGH RIVER RES OPER, LLC	Injection	4,000	54,085	5,225–5,650
Active	NIBLO "48" #4	42-269-32121	SOJOURNER DRLG. CORP	Injection	800	51,695	2,983–2,998
Active	SPRINGER "A" #3	42-269-32645	SOJOURNER DRLG. CORP	Injection	1,000	51,446	3,738–3,744
Active	SPRINGER "A" #4	42-269-32670	SOJOURNER DRLG. CORP	Injection	1,000	47,661	3,620–3,625
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 82A	42-269-32179	HIGH RIVER RES OPER, LLC	Injection	4,375	46,702	5,265–5,450
Active	NIBLO "48" #3	42-269-32204	SOJOURNER DRLG. CORP	Injection	1,000	45,391	2,994–3,054
Active	SIMPSON #4	42-269-32253	SALIDA EXPL, LLC	Injection	300	44,527	3,262–3,266
Active	PITCHFORK BALT WATERFLOOD UNIT #B 6	42-269-32402	MEDDERS OIL CO, INC	Injection	1,600	44,472	3,735–3,860
Active	BURNETT, S. B. ESTATE "AAAA" #A403 U	42-269-31422	HIGH RIVER RES OPER, LLC	Injection	1,600	43,785	5,122–5,138
Active	FORKS SOUTH BALT UNIT #C 6	42-269-32424	MEDDERS OIL CO, INC	Injection	2,800	42,078	3,728–3,742
Active	FORKS SOUTH BALT UNIT #G 27	42-269-32836	MEDDERS OIL CO, INC	Injection	2,800	41,587	3,810–3,824
Active	PITCHFORK BALT WATERFLOOD UNIT #V 3	42-269-32536	MEDDERS OIL CO, INC	Injection	1,600	40,948	3,701–3,860
Active	PITCHFORK BALT WATERFLOOD UNIT #A 13	42-269-32468	MEDDERS OIL CO, INC	Injection	1,600	40,330	3,698–3,860
Active	FORKS SOUTH BALT UNIT #C 16	42-269-32801	MEDDERS OIL CO, INC	Injection	2,800	40,308	3,790–3,796
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 16AR	42-269-32880	HIGH RIVER RES OPER, LLC	Injection	3,750	39,731	5,206–5,480
Active	PITCHFORK BALT WATERFLOOD UNIT #F 4	42-269-32772	MEDDERS OIL CO, INC	Injection	1,600	38,562	3,738–3,846
Active	NIBLO "73" #1	42-269-31065	CLEAR FORK, INC	Injection	1,000	37,731	3,104–3,116
Active	FORKS SOUTH BALT UNIT #G 17	42-269-32774	MEDDERS OIL CO, INC	Injection	2,800	35,632	3,813–3,817
Active	PITCHFORK BALT WATERFLOOD UNIT #D 5	42-269-32436	MEDDERS OIL CO, INC	Injection	1,600	29,866	3,732–3,860
Active	NIBLO, SYDNEY #7	42-269-31721	SOJOURNER DRLG. CORP	Injection	500	27,171	2,926–2,932
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 66A	42-269-31810	HIGH RIVER RES OPER, LLC	Injection	5,585	27,108	5,225–5,470
Active	FORKS SOUTH BALT UNIT #G 34	42-269-32916	MEDDERS OIL CO, INC	Injection	2,800	25,901	3,788–3,796
Active	BISSETT, NE (STRAWN LIME) #8	42-269-30923	NEW HEIGHT ENERGY, LLC	Injection	500	25,769	5,246–5,353
Active	BACON "E" #6	42-269-32174	PARAGON OIL & GAS, LLC	Injection	160	25,305	3,252–3,257
Active	BURNETT, S. B. ESTATE "RRR" #31	42-269-31923	HIGH RIVER RES OPER, LLC	Injection	825	23,058	5,351–5,510
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 26AR	42-269-32928	HIGH RIVER RES OPER, LLC	Injection	7,990	21,625	5,080–5,500
Active	FORKS SOUTH BALT UNIT #C 17	42-269-32802	MEDDERS OIL CO, INC	Injection	2,800	21,323	3,824–3,836
Active	FORKS SOUTH BALT UNIT #C 13	42-269-32538	MEDDERS OIL CO, INC	Injection	2,800	17,620	3,772–3,796
Active	SPRINGER RANCH #2	42-269-32575	SOJOURNER DRLG. CORP	Injection	1,500	16,351	3,771–3,776
Active	SPRINGER "A" #8	42-269-32724	SOJOURNER DRLG. CORP	Injection	1,000	13,883	3,710–3,717
Active	BIG -S- (TWIN PEAKS) UNIT #G247	42-269-32091	HIGH RIVER RES OPER, LLC	Injection	2,000	11,808	5,300–5,350
Active	THORMAN, F. W. #22	42-269-32890	GREAT AMERICAN RES INC	Injection	1,000	11,269	2,490–2,570
Active	SPRINGER "210 - A" #5	42-269-32368	BUCK WHEAT RES, L.P	Injection	1,000	9,400	3,100–3,796
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 18AR	42-269-32882	HIGH RIVER RES OPER, LLC	Injection	4,630	8,038	5,125–5,515
Active	FORKS SOUTH BALT UNIT #G 6	42-269-32515	MEDDERS OIL CO, INC	Injection	2,800	6,537	3,760–3,768
Active	FORKS SOUTH BALT UNIT #C 12	42-269-32524	MEDDERS OIL CO, INC	Injection	2,800	5,838	3,820–3,834
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 80H	42-269-32915	HIGH RIVER RES OPER, LLC	Injection	3,500	4,813	4,360–5,390
Active	FORKS SOUTH BALT UNIT #G 3	42-269-32425	MEDDERS OIL CO, INC	Injection	2,800	3,235	3,800–3,816
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 71AR	42-269-32920	HIGH RIVER RES OPER, LLC	Injection	1,705	2,583	5,100–5,500
Active	SIMPSON #1	42-269-32272	SALIDA EXPL, LLC	Injection	300	1,923	3,380–3,384
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 66AH	42-269-32912	HIGH RIVER RES OPER, LLC	Injection	3,500	1,616	4,674–5,501
Active	BACON, TRUMAN AND TOMMY #3	42-269-32160	MWL ENERGY LLC	Injection	750	1,332	3,233–3,235
Active	BATEMAN RANCH BB #5	42-269-31756	NEW HEIGHT ENERGY, LLC	Disposal	1,000	1,009	3,342–3,614
Active	BURNETT RANCH CO2 FLOOD "PA1" #N 61R	42-269-32872	HIGH RIVER RES OPER, LLC	Injection	4,365	1,006	5,080–5,430
Active	PARRAMORE, J. H. "B" #7	42-269-32228	J & M SWD, LLC	Injection	10,000	822	3,022–3,138
Active	HOWELL, G. L. #10	42-269-31904	GREAT AMERICAN RES INC	Injection	1,000	312	4,800–5,100
Active	MANGIS #3	42-269-32313	GREAT AMERICAN RES INC	Injection	4,000	10	5,595–5,665
Active	KATZ (STRAWN) UNIT #122	42-269-32804	ATLAS OPER LLC	Injection	10,000	1	4,771–5,455
Active	KATZ (STRAWN) UNIT #2022	42-269-32806	ATLAS OPER LLC	Injection	10,000	--	4,750–5,455
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 8T	42-269-31002	HIGH RIVER RES OPER, LLC	Injection	7,370	--	5,270–5,610
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 95A	42-269-32927	HIGH RIVER RES OPER, LLC	Injection	7,035	--	5,300–5,560
Active	BURNETT RANCH CO2 FLOOD "PA1" #Y 53AL	42-269-31275	HIGH RIVER RES OPER, LLC	Injection	6,300	--	5,230–5,578

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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.