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
STATUSLEASE / WELLAPIOPERATORTYPEPERMITTED BBL/DINJECTED 12MOZONE (FT)
ActiveWESTBROOK SOUTHEAST UNIT #1322W42-335-35044BCE-MACH III LLCInjection750--2,850–3,500
ActiveWESTBROOK SOUTHEAST UNIT #555W42-335-34715BCE-MACH III LLCInjection750--2,600–3,500
ActiveNORTH WESTBROOK UNIT #3526W42-335-34984BCE-MACH III LLCInjection750--2,850–3,500
ActiveNORTH WESTBROOK UNIT #6349W42-335-35706BCE-MACH III LLCInjection750--2,750–3,200
ActiveWESTBROOK SOUTHEAST UNIT #554W42-335-34714BCE-MACH III LLCInjection750--2,600–3,500
ActiveNORTH WESTBROOK UNIT #6842W42-335-34773BCE-MACH III LLCInjection750--2,900–3,500
ActiveCOLEMAN RANCH UNIT #854W42-335-32589AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveNIEMEYER #60342-335-30436GALLO PETROLEUM, LLCInjection700--1,156–1,168
ActiveWESTBROOK SOUTHWEST UNIT #4JW42-335-33095GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #51242-335-32546GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveCOLEMAN RANCH UNIT #253W42-335-32595AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveCOLEMAN RANCH UNIT #451W42-335-32588AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveWESTBROOK SOUTHWEST UNIT #580942-335-34282GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #202AW42-335-30816GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveFOSTER, W. L. #5 #19RW42-335-33217BCE-MACH III LLCInjection700--2,400–2,950
ActiveWESTBROOK SOUTHWEST UNIT #3742-335-34540GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveCOLEMAN RANCH UNIT #754W42-335-32244AMERICO ENGY RES, LLCInjection700--2,650–2,970
ActiveCOLEMAN RANCH UNIT #152W42-335-32710AMERICO ENGY RES, LLCInjection700--2,684–2,906
ActiveCOLEMAN RANCH UNIT #153W42-335-32709AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveCOLEMAN RANCH UNIT #452W42-335-32377AMERICO ENGY RES, LLCInjection700--2,648–2,970
ActiveCOLEMAN RANCH UNIT #755W42-335-32726AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveCOLEMAN RANCH UNIT #756W42-335-32734AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveWESTBROOK SOUTHWEST UNIT #511W42-335-32547GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveFOSTER, W. L. #1 #101W42-335-33220BCE-MACH III LLCInjection700--2,400–2,950
ActiveCOLEMAN RANCH UNIT #1053W42-335-32727AMERICO ENGY RES, LLCInjection700--2,640–2,990
ActiveFOSTER, W. L. #1 #103W42-335-33218BCE-MACH III LLCInjection700--2,400–2,950
ActiveWESTBROOK SOUTHWEST UNIT #1906W42-335-32091GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #56AW42-335-34695GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #194W42-335-30817GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #1033W42-335-34404GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #205W42-335-30823GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #422W42-335-32093GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #1014W42-335-31300GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveCOLEMAN RANCH UNIT #101W42-335-32375AMERICO ENGY RES, LLCInjection700--2,650–2,970
ActiveWESTBROOK SOUTHWEST UNIT #58W42-335-01688GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveFOSTER, W. L. #1 #100W42-335-33222BCE-MACH III LLCInjection700--2,400–2,950
ActiveCOLEMAN RANCH UNIT #154W42-335-32943AMERICO ENGY RES, LLCInjection700--2,589–2,904
ActiveFOSTER, W. L. #1 #99W42-335-33221BCE-MACH III LLCInjection700--2,400–2,950
ActiveWESTBROOK SOUTHWEST UNIT #101542-335-31377GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #522W42-335-34671GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #524W42-335-34838GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveCOLEMAN RANCH UNIT #853W42-335-32379AMERICO ENGY RES, LLCInjection700--2,650–2,970
ActiveWESTBROOK SOUTHWEST UNIT #102342-335-33635GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #102542-335-33634GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #42042-335-31542GRAYROCK ENERGY II, LLCInjection700--2,300–3,300
ActiveWESTBROOK SOUTHWEST UNIT #442W42-335-34161GRAYROCK ENERGY II, LLCInjection650--2,300–3,300
ActiveCOLEMAN RANCH UNIT #802W42-335-31744AMERICO ENGY RES, LLCInjection600--2,690–2,930
ActiveCOLEMAN RANCH UNIT #752W42-335-30291AMERICO ENGY RES, LLCInjection600--2,550–2,900
ActiveCOLEMAN RANCH UNIT #951W42-335-31745AMERICO ENGY RES, LLCInjection600--2,690–2,930
ActiveFHS UNIT #142-335-01056UNITEX OIL & GAS, L.L.CUIC600--1,630–1,706
ActiveWESTBROOK SOUTHEAST UNIT #851W42-335-34130BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #850W42-335-34133BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #1722W42-335-33785BCE-MACH III LLCInjection500--2,850–3,150
ActiveWESTBROOK SOUTHEAST UNIT #909W42-335-34126BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #844W42-335-34123BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #2802W42-335-34356BCE-MACH III LLCInjection500--2,850–3,250
ActiveGREGORY -A- #44W42-335-33381CROSS CUT PETROLEUM, LLCInjection500--2,400–3,300
ActiveWESTBROOK SOUTHEAST UNIT #419W42-335-33789BCE-MACH III LLCInjection500--2,850–3,150
ActiveTURNER GREGORY UNIT #2202W42-335-10079GTG OPER, LLCInjection500--2,385–2,808
ActiveWESTBROOK SOUTHEAST UNIT #743W42-335-34711BCE-MACH III LLCInjection500--2,800–3,500
ActiveWESTBROOK SOUTHEAST UNIT #1913W42-335-33790BCE-MACH III LLCInjection500--2,850–3,150
ActiveWESTBROOK SOUTHEAST UNIT #3703W42-335-34136BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #722W42-335-34234BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #725W42-335-34219BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #880W42-335-34366BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #542W42-335-34357BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #30W42-335-32337BCE-MACH III LLCInjection500--2,910–3,108
ActiveWESTBROOK SOUTHEAST UNIT #213W42-335-34275BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #112W42-335-34460BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #626W42-335-34171BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #723W42-335-34170BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #364W42-335-34471BCE-MACH III LLCInjection500--2,300–3,250
ActiveWESTBROOK SOUTHEAST UNIT #839W42-335-33965BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHWEST UNIT #31242-335-01369GRAYROCK ENERGY II, LLCInjection500--2,300–3,300
ActiveGREGORY -A- #43W42-335-33369CROSS CUT PETROLEUM, LLCInjection500--2,400–3,300
ActiveWESTBROOK SOUTHEAST UNIT #1861W42-335-34344BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #5016W42-335-30087BCE-MACH III LLCInjection500--2,893–3,083
ActiveCOLEMAN ESTATE #2W42-335-31305UNITEX OIL & GAS, L.L.CInjection500--3,150–3,250
ActiveWESTBROOK SOUTHEAST UNIT #340W42-335-31975BCE-MACH III LLCInjection500--2,900–3,200
ActiveWESTBROOK SOUTHEAST UNIT #339W42-335-31974BCE-MACH III LLCInjection500--2,900–3,200
ActiveWESTBROOK SOUTHEAST UNIT #346W42-335-34067BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #345W42-335-34068BCE-MACH III LLCInjection500--2,850–3,200
ActiveGREGORY -A- #34W42-335-33371CROSS CUT PETROLEUM, LLCInjection500--2,400–3,300
ActiveWESTBROOK SOUTHEAST UNIT #1724W42-335-34063BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHWEST UNIT #41642-335-31379GRAYROCK ENERGY II, LLCInjection500--2,300–3,300
ActiveWESTBROOK SOUTHEAST UNIT #1729W42-335-34477BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #1W42-335-31815BCE-MACH III LLCInjection500--2,945–3,108
ActivePOWELL -A- #31W42-335-33373CROSS CUT PETROLEUM, LLCInjection500--2,400–3,300
ActiveWESTBROOK SOUTHEAST UNIT #2W42-335-31816BCE-MACH III LLCInjection500--2,930–3,075
ActiveWESTBROOK SOUTHEAST UNIT #3524W42-335-34359BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHEAST UNIT #2718W42-335-34394BCE-MACH III LLCInjection500--2,850–3,250
ActiveWESTBROOK SOUTHWEST UNIT #580842-335-34281GRAYROCK ENERGY II, LLCInjection500--2,300–3,300
ActiveWESTBROOK SOUTHEAST UNIT #18W42-335-32359BCE-MACH III LLCInjection500--2,850–3,140
ActiveCOLEMAN RANCH UNIT #1401W42-335-32249AMERICO ENGY RES, LLCInjection500--2,649–3,040
ActiveWESTBROOK SOUTHEAST UNIT #631W42-335-34318BCE-MACH III LLCInjection500--2,396–3,060
ActiveWESTBROOK SOUTHEAST UNIT #717W42-335-33675BCE-MACH III LLCInjection500--2,935–3,076
ActiveWESTBROOK SOUTHWEST UNIT #152342-335-34925GRAYROCK ENERGY II, LLCInjection500--2,300–3,300
ActiveWESTBROOK SOUTHEAST UNIT #855W42-335-34316BCE-MACH III LLCInjection500--2,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #3523W42-335-34360BCE-MACH III LLCInjection500--2,850–3,250
ActiveTURNER-LASSETER #2W42-335-32914CROSS CUT PETROLEUM, LLCInjection500--2,400–3,300
page 10 of 21 · 2,068 wells

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.