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, MARY #100W	42-335-30028	BASA RES, INC	Injection	1,000	72,104	2,440–3,351
Active	WOMACK, MARY #4W	42-335-30671	UNITEX OIL & GAS, L.L.C	Injection	500	72,045	3,294–3,452
Active	FOSTER, MARY ACCT. #2 #326	42-335-33698	BASA RES, INC	Injection	1,000	71,971	1,650–2,050
Active	TURNER GREGORY UNIT #909	42-335-35590	GTG OPER, LLC	Injection	1,500	71,814	2,350–3,100
Active	WESTBROOK SOUTHWEST UNIT #1026	42-335-33633	GRAYROCK ENERGY II, LLC	Injection	700	71,292	2,300–3,300
Active	FOSTER, MARY #342W	42-335-33761	BASA RES, INC	Injection	1,000	71,221	2,300–3,175
Active	NORTH WESTBROOK UNIT #6319W	42-335-34935	BCE-MACH III LLC	Injection	750	71,213	2,905–3,500
Active	FOSTER, MARY #509W	42-335-34759	BASA RES, INC	Injection	1,200	71,193	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #213W	42-335-30820	GRAYROCK ENERGY II, LLC	Injection	700	70,704	2,300–3,300
Active	NORTH WESTBROOK UNIT #6338W	42-335-35370	BCE-MACH III LLC	Injection	750	70,655	2,850–3,500
Active	FOSTER, MARY ACCT. #2 #324	42-335-33696	BASA RES, INC	Injection	1,000	70,479	1,650–2,050
Active	FOSTER, MARY #380WI	42-335-33850	BASA RES, INC	Injection	1,000	70,381	2,300–3,205
Active	MCKENNEY -A- #2A	42-335-32491	ROYAL ORYX OG LLC	Injection	0	70,159	2,543
Active	FOSTER, MARY ACCT. #2 #313W	42-335-33685	BASA RES, INC	Injection	500	70,104	1,650–2,050
Active	WESTBROOK SOUTHWEST UNIT #133	42-335-34535	GRAYROCK ENERGY II, LLC	Injection	700	70,026	2,300–3,290
Active	FOSTER, MARY ACCT. #2 #321	42-335-33693	BASA RES, INC	Injection	1,000	69,998	1,650–2,050
Active	FOSTER, MARY #338W	42-335-33732	BASA RES, INC	Injection	1,000	69,857	2,300–3,370
Active	NORTH WESTBROOK UNIT #3814W	42-335-32767	BCE-MACH III LLC	Injection	800	69,769	2,900–3,150
Active	FOSTER, MARY ACCT. #2 #605	42-335-35734	BASA RES, INC	Injection	1,000	69,128	1,750–2,200
Active	NORTH WESTBROOK UNIT #6307W	42-335-31363	BCE-MACH III LLC	Injection	800	68,925	2,700–3,200
Active	WESTBROOK SOUTHEAST UNIT #1847	42-335-33507	BCE-MACH III LLC	Injection	1,000	68,626	2,900–3,100
Active	NORTH WESTBROOK UNIT #7317W	42-335-35256	BCE-MACH III LLC	Injection	750	68,141	2,930–3,500
Active	COLEMAN RANCH UNIT #252W	42-335-32594	AMERICO ENGY RES, LLC	Injection	700	67,928	2,640–2,990
Active	WESTBROOK SOUTHWEST UNIT #2014	42-335-34587	GRAYROCK ENERGY II, LLC	Injection	700	67,308	2,300–3,300
Active	FOSTER, W. L. #5 #2W	42-335-01393	BCE-MACH III LLC	Injection	800	67,298	2,380–2,800
Active	FOSTER, MARY #339W	42-335-33765	BASA RES, INC	Injection	1,000	67,168	2,300–3,110
Active	WESTBROOK SOUTHEAST UNIT #1067W	42-335-34230	BCE-MACH III LLC	Injection	500	66,581	2,850–3,200
Active	FOSTER, MARY ACCT. #2 #314W	42-335-33684	BASA RES, INC	Injection	500	66,188	1,650–2,050
Active	WATSON, W. W. #63W	42-335-34095	BASA RES, INC	Injection	1,000	65,947	2,530–3,478
Active	WATSON, W. W. #75W	42-335-34190	BASA RES, INC	Injection	1,000	64,924	2,410–3,370
Active	TURNER GREGORY UNIT #917	42-335-35593	GTG OPER, LLC	Injection	1,500	64,393	2,350–3,100
Active	WESTBROOK SOUTHEAST UNIT #543W	42-335-34379	BCE-MACH III LLC	Injection	500	64,136	2,850–3,250
Active	WESTBROOK SOUTHEAST UNIT #632W	42-335-34317	BCE-MACH III LLC	Injection	500	63,895	2,850–3,200
Active	FOSTER, MARY #198W	42-335-33195	BASA RES, INC	Injection	1,000	62,814	2,300–3,280
Active	NORTH WESTBROOK UNIT #2919W	42-335-35634	BCE-MACH III LLC	Disposal	2,000	62,461	3,400–4,000
Active	COLEMAN RANCH UNIT #1052W	42-335-32383	AMERICO ENGY RES, LLC	Injection	700	62,128	2,650–2,970
Active	WESTBROOK SOUTHEAST UNIT #48W	42-335-33353	BCE-MACH III LLC	Injection	1,000	61,957	2,900–3,100
Active	NORTH WESTBROOK UNIT #1605W	42-335-35247	BCE-MACH III LLC	Injection	750	61,297	2,850–3,500
Active	FOSTER, MARY ACCT. #2 #185W	42-335-33111	BASA RES, INC	Injection	1,000	59,817	1,650–2,050
Active	NORTH WESTBROOK UNIT #723W	42-335-35695	BCE-MACH III LLC	Injection	750	59,721	2,850–3,500
Active	NORTH WESTBROOK UNIT #6548W	42-335-34129	BCE-MACH III LLC	Injection	750	59,568	2,300–3,500
Active	WESTBROOK SOUTHWEST UNIT #173	42-335-30116	GRAYROCK ENERGY II, LLC	Injection	700	59,276	2,300–3,300
Active	NORTH WESTBROOK UNIT #918W	42-335-35893	BCE-MACH III LLC	Injection	750	59,252	2,700–3,500
Active	FOSTER, MARY #214W	42-335-33304	BASA RES, INC	Injection	1,000	59,002	2,431–3,255
Active	WESTBROOK SOUTHWEST UNIT #418W	42-335-31540	GRAYROCK ENERGY II, LLC	Injection	500	58,940	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1032W	42-335-34164	GRAYROCK ENERGY II, LLC	Injection	700	58,937	2,300–3,300
Active	NORTH WESTBROOK UNIT #1515W	42-335-35470	BCE-MACH III LLC	Injection	750	58,750	2,300–3,500
Active	NORTH WESTBROOK UNIT #722W	42-335-35694	BCE-MACH III LLC	Injection	750	58,721	2,400–3,500
Active	NORTH WESTBROOK UNIT #6858W	42-335-34934	BCE-MACH III LLC	Injection	750	58,699	2,850–3,500
Active	TURNER GREGORY UNIT #911	42-335-35591	GTG OPER, LLC	Injection	1,500	58,589	2,350–3,100
Active	WESTBROOK SOUTHEAST UNIT #830	42-335-30893	BCE-MACH III LLC	Injection	1,000	58,178	2,750–3,200
Active	NORTH WESTBROOK UNIT #4414W	42-335-35478	BCE-MACH III LLC	Injection	750	58,158	2,300–4,000
Active	WATSON, W. W. #68W	42-335-34120	BASA RES, INC	Injection	1,000	57,964	2,454–3,385
Active	NORTH WESTBROOK UNIT #5711W	42-335-35481	BCE-MACH III LLC	Injection	750	57,866	2,300–4,000
Active	NORTH WESTBROOK UNIT #4416 W	42-335-35674	BCE-MACH III LLC	Injection	750	56,900	2,419–3,294
Active	E. H. BROWN -A- #23W	42-335-34041	BASA RES, INC	Injection	1,000	56,569	2,666–3,365
Active	WESTBROOK SOUTHWEST UNIT #5443	42-335-34279	GRAYROCK ENERGY II, LLC	Injection	700	56,511	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #538W	42-335-34217	BCE-MACH III LLC	Injection	500	56,464	2,850–3,200
Active	NORTH WESTBROOK UNIT #6342W	42-335-35525	BCE-MACH III LLC	Injection	750	56,299	2,850–4,000
Active	WESTBROOK SOUTHEAST UNIT #1048W	42-335-33971	BCE-MACH III LLC	Injection	500	56,182	2,850–3,200
Active	NORTH WESTBROOK UNIT #1522W	42-335-35681	BCE-MACH III LLC	Injection	750	56,005	2,300–3,500
Active	NORTH WESTBROOK UNIT #6846W	42-335-34795	BCE-MACH III LLC	Injection	750	55,575	2,700–3,500
Active	NORTH WESTBROOK UNIT #6835W	42-335-34661	BCE-MACH III LLC	Injection	750	55,466	2,900–3,500
Active	WESTBROOK SOUTHWEST UNIT #204W	42-335-30603	GRAYROCK ENERGY II, LLC	Injection	700	55,198	2,300–3,300
Active	NORTH WESTBROOK UNIT #1520W	42-335-35684	BCE-MACH III LLC	Injection	750	54,705	2,300–3,500
Active	NORTH WESTBROOK UNIT #2912W	42-335-34873	BCE-MACH III LLC	Injection	750	54,680	2,900–3,500
Active	WESTBROOK SOUTHWEST UNIT #145W	42-335-35119	GRAYROCK ENERGY II, LLC	Injection	700	54,394	2,300–3,300
Active	FOSTER, MARY #379W	42-335-33851	BASA RES, INC	Injection	1,000	54,045	2,300–3,210
Active	NORTH WESTBROOK UNIT #714W	42-335-35515	BCE-MACH III LLC	Injection	750	53,996	2,850–4,000
Active	NORTH WESTBROOK UNIT #4412W	42-335-35477	BCE-MACH III LLC	Injection	750	53,770	2,300–4,000
Active	FOSTER, MARY #366W	42-335-33832	BASA RES, INC	Injection	1,000	53,616	2,300–3,300
Active	NORTH WESTBROOK UNIT #6849W	42-335-34798	BCE-MACH III LLC	Injection	750	53,453	2,850–3,500
Active	WESTBROOK SOUTHEAST UNIT #1404W	42-335-34232	BCE-MACH III LLC	Injection	500	53,227	2,850–3,200
Active	NORTH WESTBROOK UNIT #7512W	42-335-35373	BCE-MACH III LLC	Injection	750	53,125	2,850–3,500
Active	WESTBROOK SOUTHWEST UNIT #125	42-335-34532	GRAYROCK ENERGY II, LLC	Injection	700	52,950	2,300–3,280
Active	NORTH WESTBROOK UNIT #4701W	42-335-35702	BCE-MACH III LLC	Injection	750	52,386	2,400–3,500
Active	WESTBROOK SOUTHWEST UNIT #440W	42-335-34163	GRAYROCK ENERGY II, LLC	Injection	500	52,336	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #897W	42-335-35096	BCE-MACH III LLC	Injection	750	52,141	2,800–3,500
Active	NORTH WESTBROOK UNIT #3305W	42-335-35475	BCE-MACH III LLC	Injection	750	51,793	2,800–3,500
Active	MCCABE, V. T. #37	42-335-31832	SD ROYALE ENGY, INC	Injection	2,500	51,562	6,766–6,856
Active	NORTH WESTBROOK UNIT #2151W	42-335-35402	BCE-MACH III LLC	Injection	750	51,535	2,300–3,500
Active	ELLIS-GRAY UNIT #1607	42-335-32893	UNITEX OIL & GAS, L.L.C	Injection	2,500	51,435	1,475–1,788
Active	WESTBROOK SOUTHEAST UNIT #220W	42-335-34465	BCE-MACH III LLC	Injection	750	51,358	2,850–3,250
Active	WESTBROOK SOUTHEAST UNIT #3515W	42-335-34172	BCE-MACH III LLC	Injection	500	51,201	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #1056W	42-335-34253	BCE-MACH III LLC	Injection	500	50,903	2,850–3,250
Active	FOSTER, MARY #123W	42-335-31506	BASA RES, INC	Injection	1,000	50,723	2,300–3,160
Active	COLEMAN RANCH UNIT #1402	42-335-80704	AMERICO ENGY RES, LLC	Injection	1,000	50,701	2,799–2,919
Active	E. H. BROWN -A- #34W	42-335-34086	BASA RES, INC	Injection	1,000	49,735	2,510–3,405
Active	FOSTER, MARY ACCT. #2 #323	42-335-33695	BASA RES, INC	Injection	1,000	49,617	1,650–2,050
Active	TRAIN, J. L. "A" #10	42-335-34497	CEDAR BEND OIL CO	Injection	500	49,456	1,546–1,646
Active	E. H. BROWN -A- #51W	42-335-34151	BASA RES, INC	Injection	1,000	49,359	2,427–3,405
Active	WESTBROOK SOUTHEAST UNIT #843W	42-335-34223	BCE-MACH III LLC	Injection	500	49,347	2,850–3,200
Active	NORTH WESTBROOK UNIT #1821W	42-335-35527	BCE-MACH III LLC	Injection	750	49,346	2,850–3,500
Active	WESTBROOK SOUTHEAST UNIT #1079W	42-335-34384	BCE-MACH III LLC	Injection	500	48,137	2,850–3,250
Active	WESTBROOK SOUTHEAST UNIT #544W	42-335-34353	BCE-MACH III LLC	Injection	500	48,029	2,850–3,250
Active	WESTBROOK SOUTHEAST UNIT #1080W	42-335-34345	BCE-MACH III LLC	Injection	500	48,022	2,850–3,250
Active	WATSON, W. W. #44WI	42-335-33857	BASA RES, INC	Injection	1,000	47,398	2,300–3,270
Active	WESTBROOK SOUTHEAST UNIT #727W	42-335-34241	BCE-MACH III LLC	Injection	500	47,034	2,850–3,250
Active	FOSTER, MARY #178W	42-335-33057	BASA RES, INC	Injection	1,500	47,032	2,300–3,200
Active	NORTH WESTBROOK UNIT #1910W	42-335-32780	BCE-MACH III LLC	Injection	800	47,009	2,900–3,150

page 3 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.