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	NORTH WESTBROOK UNIT #5111W	42-335-34646	BCE-MACH III LLC	Injection	750	--	2,850–3,500
Active	NORTH WESTBROOK UNIT #5314W	42-335-34647	BCE-MACH III LLC	Injection	750	--	2,850–3,500
Active	WESTBROOK SOUTHEAST UNIT #222W	42-335-34561	BCE-MACH III LLC	Injection	750	--	2,300–3,500
Active	WESTBROOK SOUTHEAST UNIT #1864W	42-335-34527	BCE-MACH III LLC	Injection	750	--	2,850–3,500
Active	WESTBROOK SOUTHEAST UNIT #2009W	42-335-34474	BCE-MACH III LLC	Injection	750	--	2,850–3,250
Active	WESTBROOK SOUTHEAST UNIT #1502W	42-335-34481	BCE-MACH III LLC	Injection	750	--	2,850–3,250
Active	WESTBROOK SOUTHWEST UNIT #202AW	42-335-30816	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1014W	42-335-31300	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	FOSTER, W. L. #5 #19RW	42-335-33217	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	COLEMAN RANCH UNIT #756W	42-335-32734	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	WESTBROOK SOUTHWEST UNIT #511W	42-335-32547	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #194W	42-335-30817	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #56AW	42-335-34695	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #205W	42-335-30823	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #524W	42-335-34838	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1033W	42-335-34404	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #522W	42-335-34671	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1906W	42-335-32091	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #754W	42-335-32244	AMERICO ENGY RES, LLC	Injection	700	--	2,650–2,970
Active	COLEMAN RANCH UNIT #152W	42-335-32710	AMERICO ENGY RES, LLC	Injection	700	--	2,684–2,906
Active	WESTBROOK SOUTHWEST UNIT #420	42-335-31542	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	FOSTER, W. L. #1 #103W	42-335-33218	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	FOSTER, W. L. #1 #101W	42-335-33220	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	WESTBROOK SOUTHWEST UNIT #37	42-335-34540	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #755W	42-335-32726	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	FOSTER, W. L. #1 #100W	42-335-33222	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	COLEMAN RANCH UNIT #452W	42-335-32377	AMERICO ENGY RES, LLC	Injection	700	--	2,648–2,970
Active	WESTBROOK SOUTHWEST UNIT #1025	42-335-33634	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #101W	42-335-32375	AMERICO ENGY RES, LLC	Injection	700	--	2,650–2,970
Active	FOSTER, W. L. #1 #99W	42-335-33221	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	WESTBROOK SOUTHWEST UNIT #1015	42-335-31377	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #1023	42-335-33635	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #854W	42-335-32589	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	WESTBROOK SOUTHWEST UNIT #4JW	42-335-33095	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #451W	42-335-32588	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	COLEMAN RANCH UNIT #1053W	42-335-32727	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	COLEMAN RANCH UNIT #153W	42-335-32709	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	COLEMAN RANCH UNIT #253W	42-335-32595	AMERICO ENGY RES, LLC	Injection	700	--	2,640–2,990
Active	WESTBROOK SOUTHWEST UNIT #58W	42-335-01688	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #5809	42-335-34282	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #512	42-335-32546	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	WESTBROOK SOUTHWEST UNIT #422W	42-335-32093	GRAYROCK ENERGY II, LLC	Injection	700	--	2,300–3,300
Active	COLEMAN RANCH UNIT #853W	42-335-32379	AMERICO ENGY RES, LLC	Injection	700	--	2,650–2,970
Active	NIEMEYER #603	42-335-30436	GALLO PETROLEUM, LLC	Injection	700	--	1,156–1,168
Active	COLEMAN RANCH UNIT #154W	42-335-32943	AMERICO ENGY RES, LLC	Injection	700	--	2,589–2,904
Active	WESTBROOK SOUTHWEST UNIT #442W	42-335-34161	GRAYROCK ENERGY II, LLC	Injection	650	--	2,300–3,300
Active	COLEMAN RANCH UNIT #752W	42-335-30291	AMERICO ENGY RES, LLC	Injection	600	--	2,550–2,900
Active	COLEMAN RANCH UNIT #802W	42-335-31744	AMERICO ENGY RES, LLC	Injection	600	--	2,690–2,930
Active	FHS UNIT #1	42-335-01056	UNITEX OIL & GAS, L.L.C	UIC	600	--	1,630–1,706
Active	COLEMAN RANCH UNIT #951W	42-335-31745	AMERICO ENGY RES, LLC	Injection	600	--	2,690–2,930
Active	WESTBROOK SOUTHEAST UNIT #851W	42-335-34130	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #866W	42-335-34311	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #857W	42-335-34306	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #855W	42-335-34316	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #631W	42-335-34318	BCE-MACH III LLC	Injection	500	--	2,396–3,060
Active	WESTBROOK SOUTHWEST UNIT #5808	42-335-34281	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300
Active	COLEMAN RANCH UNIT #1152W	42-335-32215	AMERICO ENGY RES, LLC	Injection	500	--	2,700–2,952
Active	COLEMAN RANCH UNIT #753W	42-335-32216	AMERICO ENGY RES, LLC	Injection	500	--	2,642–2,833
Active	TURNER GREGORY UNIT #2202W	42-335-10079	GTG OPER, LLC	Injection	500	--	2,385–2,808
Active	WESTBROOK SOUTHEAST UNIT #723W	42-335-34170	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #626W	42-335-34171	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #25W	42-335-80467	BCE-MACH III LLC	Injection	500	--	2,948–3,014
Active	WESTBROOK SOUTHEAST UNIT #421W	42-335-34065	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #422W	42-335-34064	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #725W	42-335-34219	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #722W	42-335-34234	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	COLEMAN RANCH UNIT #1401W	42-335-32249	AMERICO ENGY RES, LLC	Injection	500	--	2,649–3,040
Active	WESTBROOK SOUTHEAST UNIT #347W	42-335-34066	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #1856W	42-335-34221	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHWEST UNIT #417W	42-335-31378	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #366WL	42-335-34453	BCE-MACH III LLC	Injection	500	--	2,850–3,136
Active	WESTBROOK SOUTHEAST UNIT #349W	42-335-34060	BCE-MACH III LLC	Injection	500	--	2,350–3,126
Active	SMARTT, L. E. A. #2	42-335-32052	BCE-MACH III LLC	Injection	500	--	2,420–2,879
Active	WESTBROOK SOUTHEAST UNIT #3703W	42-335-34136	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #856W	42-335-34310	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #850W	42-335-34133	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	BURCHARD, PRESTON #3	42-335-33058	BCE-MACH III LLC	Injection	500	--	2,718–2,776
Active	WESTBROOK SOUTHEAST UNIT #909W	42-335-34126	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #844W	42-335-34123	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #885W	42-335-34712	BCE-MACH III LLC	Injection	500	--	2,800–3,500
Active	WESTBROOK SOUTHWEST UNIT #1523	42-335-34925	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #340W	42-335-31975	BCE-MACH III LLC	Injection	500	--	2,900–3,200
Active	WESTBROOK SOUTHEAST UNIT #339W	42-335-31974	BCE-MACH III LLC	Injection	500	--	2,900–3,200
Active	WESTBROOK SOUTHEAST UNIT #346W	42-335-34067	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHWEST UNIT #428W	42-335-33637	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #345W	42-335-34068	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #1724W	42-335-34063	BCE-MACH III LLC	Injection	500	--	2,850–3,200
Active	WESTBROOK SOUTHEAST UNIT #1729W	42-335-34477	BCE-MACH III LLC	Injection	500	--	2,850–3,250
Active	HENDERSON, D. J. (LEW) #9W	42-335-32910	CROSS CUT PETROLEUM, LLC	Injection	500	--	2,400–3,300
Active	HENDERSON, D. J. (LEW) #7W	42-335-32906	CROSS CUT PETROLEUM, LLC	Injection	500	--	2,400–3,300
Active	WESTBROOK SOUTHEAST UNIT #717W	42-335-33675	BCE-MACH III LLC	Injection	500	--	2,935–3,076
Active	TURNER-LASSETER #5W	42-335-32917	CROSS CUT PETROLEUM, LLC	Injection	500	--	2,400–3,300
Active	TURNER-LASSETER #2W	42-335-32914	CROSS CUT PETROLEUM, LLC	Injection	500	--	2,400–3,300
Active	WESTBROOK SOUTHEAST UNIT #26W	42-335-30061	BCE-MACH III LLC	Injection	500	--	2,909–3,089
Active	WESTBROOK SOUTHEAST UNIT #112W	42-335-34460	BCE-MACH III LLC	Injection	500	--	2,850–3,250
Active	WESTBROOK SOUTHWEST UNIT #416	42-335-31379	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300
Active	WESTBROOK SOUTHEAST UNIT #30W	42-335-32337	BCE-MACH III LLC	Injection	500	--	2,910–3,108
Active	WESTBROOK SOUTHEAST UNIT #18W	42-335-32359	BCE-MACH III LLC	Injection	500	--	2,850–3,140
Active	WESTBROOK SOUTHEAST UNIT #46W	42-335-32335	BCE-MACH III LLC	Injection	500	--	2,850–3,122
Active	WESTBROOK SOUTHWEST UNIT #312	42-335-01369	GRAYROCK ENERGY II, LLC	Injection	500	--	2,300–3,300

page 10 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.