Saltwater Disposal Wells in Mitchell County

Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.

Active Wells

1,118

Permitted Capacity

1.1M bbl/d

Injected 12mo (thru 2025-06)

47.8M bbl

UIC Permits All Time

2,068

Earthquakes in Mitchell County → seismicity & the disposal link, from TexNet

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	FOSTER, W. L. #1 #53W	42-335-31387	BCE-MACH III LLC	Injection	800	114,840	2,400–2,900
Active	TURNER GREGORY UNIT #1117	42-335-35605	GTG OPER, LLC	Injection	1,500	114,342	2,350–3,100
Active	FOSTER, MARY #364W	42-335-33830	BASA RES, INC	Injection	1,000	114,104	2,300–3,300
Active	COLEMAN RANCH UNIT #851W	42-335-30290	AMERICO ENGY RES, LLC	Injection	600	112,685	2,550–2,900
Active	WESTBROOK SOUTHEAST UNIT #51W	42-335-10402	BCE-MACH III LLC	Injection	500	112,101	2,979–3,126
Active	NORTH WESTBROOK UNIT #1321W	42-335-35377	BCE-MACH III LLC	Injection	750	111,927	2,850–3,500
Active	NORTH WESTBROOK UNIT #4904W	42-335-30769	BCE-MACH III LLC	Injection	800	111,277	2,900–3,150
Active	FOSTER, MARY #410	42-335-33920	BASA RES, INC	Injection	1,000	110,265	2,300–3,300
Active	NORTH WESTBROOK UNIT #7023W	42-335-33533	BCE-MACH III LLC	Injection	800	109,650	2,850–3,150
Active	WESTBROOK SOUTHWEST UNIT #211W	42-335-30604	GRAYROCK ENERGY II, LLC	Injection	700	109,205	2,300–3,300
Active	NORTH WESTBROOK UNIT #1503W	42-335-31995	BCE-MACH III LLC	Injection	800	109,176	2,900–3,150
Active	FOSTER, MARY #329W	42-335-33720	BASA RES, INC	Injection	1,000	106,866	2,300–3,340
Active	NORTH WESTBROOK UNIT #6344W	42-335-35526	BCE-MACH III LLC	Injection	750	106,790	2,850–4,000
Active	FOSTER, W. L. #1 #25W	42-335-01402	BCE-MACH III LLC	Injection	1,500	106,656	2,670–2,900
Active	FOSTER, W. L. #1 #44W	42-335-31341	BCE-MACH III LLC	Injection	1,000	105,870	2,430–3,000
Active	COLEMAN RANCH UNIT #1452W	42-335-32708	AMERICO ENGY RES, LLC	Injection	700	105,389	2,664–2,886
Active	WESTBROOK SOUTHWEST UNIT #16W	42-335-00073	GRAYROCK ENERGY II, LLC	Injection	500	105,208	2,300–3,300
Active	TURNER GREGORY UNIT #1119	42-335-35606	GTG OPER, LLC	Injection	1,500	102,940	2,350–3,100
Active	FOSTER, MARY #312W	42-335-33687	BASA RES, INC	Injection	1,000	102,741	2,300–3,175
Active	WESTBROOK SOUTHWEST UNIT #523W	42-335-34692	GRAYROCK ENERGY II, LLC	Injection	700	102,560	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #3602	42-335-00627	BCE-MACH III LLC	Injection	1,000	102,548	3,020–3,040
Active	WESTBROOK SOUTHEAST UNIT #541W	42-335-34290	BCE-MACH III LLC	Injection	750	102,484	2,404–3,131
Active	WATSON, W. W. #29W	42-335-30850	BASA RES, INC	Injection	1,000	102,451	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #31W	42-335-32336	BCE-MACH III LLC	Injection	0	101,895	--
Active	NORTH WESTBROOK UNIT #6823W	42-335-32752	BCE-MACH III LLC	Injection	800	100,676	2,700–3,200
Active	WESTBROOK SOUTHWEST UNIT #110	42-335-31383	GRAYROCK ENERGY II, LLC	Injection	500	100,202	2,300–3,300
Active	FOSTER, MARY #429W	42-335-33959	BASA RES, INC	Injection	1,000	100,004	2,300–3,350
Active	WESTBROOK SOUTHWEST UNIT #425W	42-335-32092	GRAYROCK ENERGY II, LLC	Injection	700	97,730	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1106W	42-335-31545	GRAYROCK ENERGY II, LLC	Injection	700	97,386	2,300–3,318
Active	NORTH WESTBROOK UNIT #7511W	42-335-35374	BCE-MACH III LLC	Injection	750	96,742	2,850–3,500
Active	NORTH WESTBROOK UNIT #4702 W	42-335-35675	BCE-MACH III LLC	Injection	750	96,257	2,300–3,500
Active	NORTH WESTBROOK UNIT #6838W	42-335-34655	BCE-MACH III LLC	Injection	750	95,804	2,850–3,500
Active	NORTH WESTBROOK UNIT #5922 W	42-335-35664	BCE-MACH III LLC	Injection	750	95,704	2,300–3,500
Active	FOSTER, MARY #239W	42-335-33409	BASA RES, INC	Injection	1,000	94,992	2,300–3,400
Active	NORTH WESTBROOK UNIT #7110W	42-335-33103	BCE-MACH III LLC	Injection	750	94,310	2,800–3,500
Active	WESTBROOK SOUTHWEST UNIT #426W	42-335-32088	GRAYROCK ENERGY II, LLC	Injection	500	92,417	2,300–3,300
Active	FOSTER, MARY #257W	42-335-33514	BASA RES, INC	Injection	1,000	91,668	2,428–3,336
Active	FOSTER, MARY #200W	42-335-33205	BASA RES, INC	Injection	1,000	91,607	2,300–3,269
Active	NORTH WESTBROOK UNIT #6539W	42-335-34659	BCE-MACH III LLC	Injection	750	90,961	2,300–3,500
Active	E. H. BROWN -A- #35W	42-335-34117	BASA RES, INC	Injection	1,000	90,923	2,392–3,370
Active	WESTBROOK SOUTHEAST UNIT #716W	42-335-33674	BCE-MACH III LLC	Injection	1,000	90,497	2,850–3,200
Active	FOSTER, MARY #499W	42-335-34633	BASA RES, INC	Injection	800	89,576	2,300–3,400
Active	NORTH WESTBROOK UNIT #6915W	42-335-10318	BCE-MACH III LLC	Injection	500	89,413	2,888–3,063
Active	NORTH WESTBROOK UNIT #6318W	42-335-34812	BCE-MACH III LLC	Injection	750	89,367	2,700–3,500
Active	NORTH WESTBROOK UNIT #5907W	42-335-34657	BCE-MACH III LLC	Injection	750	88,757	2,850–3,500
Active	FOSTER, MARY #252W	42-335-33420	BASA RES, INC	Injection	1,000	88,244	2,300–3,400
Active	NORTH WESTBROOK UNIT #6550W	42-335-34207	BCE-MACH III LLC	Injection	750	88,093	2,300–3,500
Active	NORTH WESTBROOK UNIT #2113W	42-335-30772	BCE-MACH III LLC	Injection	800	88,034	2,900–3,150
Active	NORTH WESTBROOK UNIT #1402W	42-335-00578	BCE-MACH III LLC	Injection	800	86,975	2,900–3,150
Active	WESTBROOK SOUTHEAST UNIT #1109W	42-335-35049	BCE-MACH III LLC	Injection	750	86,955	2,850–3,500
Active	NORTH WESTBROOK UNIT #6346W	42-335-35617	BCE-MACH III LLC	Injection	750	86,891	2,400–3,109
Active	NORTH WESTBROOK UNIT #2125W	42-335-32789	BCE-MACH III LLC	Injection	800	86,803	2,900–3,150
Active	FOSTER, W. L. #1 #111W	42-335-35125	BCE-MACH III LLC	Injection	1,500	86,248	2,400–3,500
Active	WESTBROOK SOUTHWEST UNIT #38	42-335-34541	GRAYROCK ENERGY II, LLC	Injection	700	86,027	2,300–3,300
Active	FOSTER, W. L. #5 #12W	42-335-31388	BCE-MACH III LLC	Injection	1,500	85,046	2,390–2,820
Active	NORTH WESTBROOK UNIT #1319W	42-335-35345	BCE-MACH III LLC	Injection	750	85,031	2,850–3,500
Active	WESTBROOK SOUTHWEST UNIT #192W	42-335-30118	GRAYROCK ENERGY II, LLC	Injection	700	84,939	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #2405W	42-335-34124	BCE-MACH III LLC	Injection	500	84,225	2,850–3,200
Active	WESTBROOK SOUTHWEST UNIT #126	42-335-34533	GRAYROCK ENERGY II, LLC	Injection	500	84,035	2,300–3,300
Active	FOSTER, MARY #76	42-335-10123	BASA RES, INC	Injection	1,000	83,735	2,363–2,790
Active	WATSON, W. W. #9W	42-335-10370	BASA RES, INC	Injection	1,000	83,617	2,300–3,265
Active	NORTH WESTBROOK UNIT #6920W	42-335-31386	BCE-MACH III LLC	Injection	800	83,578	2,919–3,101
Active	WATSON, W. W. #67W	42-335-34110	BASA RES, INC	Injection	1,000	82,690	2,447–3,415
Active	FOSTER, MARY ACCT. #2 #606	42-335-35735	BASA RES, INC	Injection	1,000	82,576	1,750–2,200
Active	NORTH WESTBROOK UNIT #1906W	42-335-31992	BCE-MACH III LLC	Injection	800	82,498	2,750–3,500
Active	E. H. BROWN -A- #36W	42-335-34094	BASA RES, INC	Injection	1,000	82,357	2,530–3,440
Active	NORTH WESTBROOK UNIT #4601W	42-335-31664	BCE-MACH III LLC	Injection	800	81,942	2,931–3,103
Active	NORTH WESTBROOK UNIT #5318W	42-335-34947	BCE-MACH III LLC	Injection	750	81,354	2,850–3,500
Active	NORTH WESTBROOK UNIT #6910W	42-335-01820	BCE-MACH III LLC	Injection	800	81,121	2,775–3,075
Active	NORTH WESTBROOK UNIT #6948W	42-335-35265	BCE-MACH III LLC	Injection	750	80,721	2,890–3,500
Active	NORTH WESTBROOK UNIT #6836W	42-335-34662	BCE-MACH III LLC	Injection	750	80,457	2,850–3,500
Active	NORTH WESTBROOK UNIT #6949W	42-335-35264	BCE-MACH III LLC	Injection	750	80,064	2,905–3,343
Active	WESTBROOK SOUTHWEST UNIT #134	42-335-34673	GRAYROCK ENERGY II, LLC	Injection	500	80,003	2,300–3,300
Active	NORTH WESTBROOK UNIT #6608W	42-335-35521	BCE-MACH III LLC	Injection	750	79,649	2,850–4,000
Active	NORTH WESTBROOK UNIT #6712W	42-335-35254	BCE-MACH III LLC	Injection	750	79,535	2,970–3,500
Active	NORTH WESTBROOK UNIT #6711W	42-335-35266	BCE-MACH III LLC	Injection	750	79,364	2,970–3,500
Active	NORTH WESTBROOK UNIT #7112W	42-335-33528	BCE-MACH III LLC	Injection	800	79,015	2,850–3,150
Active	NORTH WESTBROOK UNIT #6549W	42-335-34208	BCE-MACH III LLC	Injection	750	78,999	2,300–3,500
Active	NORTH WESTBROOK UNIT #6563W	42-335-35697	BCE-MACH III LLC	Injection	750	78,951	2,300–3,500
Active	FOSTER, MARY #280W	42-335-33608	BASA RES, INC	Injection	1,000	78,821	2,300–3,399
Active	WESTBROOK SOUTHEAST UNIT #22W	42-335-30036	BCE-MACH III LLC	Injection	500	78,332	3,004–3,116
Active	WESTBROOK SOUTHWEST UNIT #118W	42-335-34332	GRAYROCK ENERGY II, LLC	Injection	500	77,584	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #1857W	42-335-34215	BCE-MACH III LLC	Injection	500	77,003	2,800–3,200
Active	WESTBROOK SOUTHEAST UNIT #15W	42-335-00378	BCE-MACH III LLC	Injection	750	76,968	2,910–3,081
Active	WESTBROOK SOUTHEAST UNIT #2719W	42-335-34340	BCE-MACH III LLC	Injection	500	76,935	2,850–3,250
Active	WESTBROOK SOUTHWEST UNIT #131W	42-335-01845	GRAYROCK ENERGY II, LLC	Injection	500	76,033	2,906–3,090
Active	FOSTER, MARY #249W	42-335-33413	BASA RES, INC	Injection	1,000	75,530	2,300–3,400
Active	NORTH WESTBROOK UNIT #1705W	42-335-32778	BCE-MACH III LLC	Injection	800	75,068	2,900–3,150
Active	WATSON, W. W. #62W	42-335-34096	BASA RES, INC	Injection	1,000	74,964	2,522–3,444
Active	FOSTER, MARY ACCT. #2 #614	42-335-35807	BASA RES, INC	Injection	1,000	74,924	1,750–2,300
Active	FOSTER, W. L. #1 #14W	42-335-01379	BCE-MACH III LLC	Injection	1,000	74,515	2,450–3,000
Active	NORTH WESTBROOK UNIT #6875W	42-335-35267	BCE-MACH III LLC	Injection	750	74,119	2,990–3,500
Active	NORTH WESTBROOK UNIT #6005W	42-335-30766	BCE-MACH III LLC	Injection	800	73,633	2,900–3,150
Active	FOSTER, MARY ACCT. #2 #617	42-335-35810	BASA RES, INC	Injection	1,000	73,403	1,750–2,300
Active	FOSTER, MARY ACCT. #2 #325	42-335-33697	BASA RES, INC	Injection	1,000	73,359	1,650–2,050
Active	FOSTER, MARY ACCT. #2 #322	42-335-33694	BASA RES, INC	Injection	1,000	73,331	1,650–2,050
Active	E. H. BROWN -A- #44W	42-335-34111	BASA RES, INC	Injection	1,000	73,204	2,362–3,370
Active	WESTBROOK SOUTHEAST UNIT #730W	42-335-34358	BCE-MACH III LLC	Injection	750	73,171	2,850–3,250
Active	FOSTER, MARY #340W	42-335-33768	BASA RES, INC	Injection	1,000	72,370	2,300–3,125
Active	NORTH WESTBROOK UNIT #6209W	42-335-32002	BCE-MACH III LLC	Injection	750	72,286	2,884–3,179

page 2 of 21 · 2,068 wells

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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.