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)
ActiveNORTH WESTBROOK UNIT #5210W42-335-33472BCE-MACH III LLCInjection80046,6732,951–3,091
ActiveNORTH WESTBROOK UNIT #4821W42-335-35703BCE-MACH III LLCInjection75046,4742,400–3,500
ActiveNORTH WESTBROOK UNIT #2805W42-335-34862BCE-MACH III LLCInjection75046,4012,900–3,500
ActiveNORTH WESTBROOK UNIT #919W42-335-35895BCE-MACH III LLCInjection75046,1432,850–3,500
ActiveNORTH WESTBROOK UNIT #2707W42-335-34993BCE-MACH III LLCInjection75045,8692,850–3,500
ActiveWESTBROOK SOUTHEAST UNIT #719W42-335-33964BCE-MACH III LLCInjection50045,5342,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #732W42-335-34457BCE-MACH III LLCInjection50045,4142,300–3,250
ActiveWESTBROOK SOUTHEAST UNIT #2312W42-335-34270BCE-MACH III LLCInjection50045,2742,850–3,200
ActiveNORTH WESTBROOK UNIT #4011W42-335-35368BCE-MACH III LLCInjection75044,9382,850–3,500
ActiveHARDEE, F. W. #5D42-335-01453SAMMAX OPERATING LLCInjection22544,8501,621–1,679
ActiveFOSTER, W. L. 1 #22W42-335-01400BCE-MACH III LLCInjection20044,4041,800–2,300
ActiveNORTH WESTBROOK UNIT #3024W42-335-34869BCE-MACH III LLCInjection75043,8992,850–3,500
ActiveNORTH WESTBROOK UNIT #5010W42-335-34653BCE-MACH III LLCInjection75043,8782,300–3,500
ActiveNORTH WESTBROOK UNIT #5510W42-335-35369BCE-MACH III LLCInjection75043,7462,850–3,500
ActiveFOSTER, MARY #370W42-335-33822BASA RES, INCInjection1,00043,7262,300–3,190
ActiveNORTH WESTBROOK UNIT #4909W42-335-34813BCE-MACH III LLCInjection75043,3322,700–3,500
ActiveNORTH WESTBROOK UNIT #2149W42-335-35401BCE-MACH III LLCInjection75043,2242,300–3,500
ActiveWESTBROOK SOUTHWEST UNIT #1020W42-335-31548GRAYROCK ENERGY II, LLCInjection70043,1652,300–3,300
ActiveNORTH WESTBROOK UNIT #2415W42-335-35680BCE-MACH III LLCInjection75042,9212,300–3,200
ActiveCOLEMAN RANCH UNIT #601W42-335-30292AMERICO ENGY RES, LLCInjection60042,6942,550–2,900
ActiveNORTH WESTBROOK UNIT #5006W42-335-33473BCE-MACH III LLCInjection75042,4142,850–3,500
ActiveWESTBROOK SOUTHEAST UNIT #1082W42-335-34382BCE-MACH III LLCInjection50042,2652,850–3,250
ActiveNORTH WESTBROOK UNIT #2133W42-335-34828BCE-MACH III LLCInjection75042,2472,700–3,500
ActiveNORTH WESTBROOK UNIT #2605W42-335-34994BCE-MACH III LLCInjection75042,1392,850–3,500
ActiveNORTH WESTBROOK UNIT #6225W42-335-34855BCE-MACH III LLCInjection75041,8382,700–3,500
ActiveWESTBROOK SOUTHEAST UNIT #1085W42-335-35048BCE-MACH III LLCInjection75041,6882,850–3,500
ActiveNORTH WESTBROOK UNIT #5018W42-335-35252BCE-MACH III LLCInjection75041,6592,930–3,500
ActiveNORTH WESTBROOK UNIT #632042-335-34949BCE-MACH III LLCInjection75041,4622,904–3,500
ActiveNORTH WESTBROOK UNIT #6007W42-335-31659BCE-MACH III LLCInjection80041,2272,900–3,150
ActiveNORTH WESTBROOK UNIT #3025W42-335-34870BCE-MACH III LLCInjection75041,1672,850–3,500
ActiveCOLEMAN RANCH UNIT #30142-335-01073AMERICO ENGY RES, LLCInjection1,00041,0802,541–2,880
ActiveNORTH WESTBROOK UNIT #5016W42-335-34943BCE-MACH III LLCInjection80040,8852,917–3,500
ActiveNORTH WESTBROOK UNIT #6339W42-335-35371BCE-MACH III LLCInjection75040,8002,850–3,500
ActiveNORTH WESTBROOK UNIT #821W42-335-35894BCE-MACH III LLCInjection75040,7492,700–3,500
ActiveMILLS-STRAIN UNIT #30142-335-00979SCHLACHTER OPER CORPInjection30040,5931,506–1,630
ActiveMILLS-STRAIN UNIT #21042-335-00613SCHLACHTER OPER CORPInjection30040,3511,525–1,632
ActiveWESTBROOK SOUTHEAST UNIT #869W42-335-34391BCE-MACH III LLCInjection50040,1242,850–3,250
ActiveNORTH WESTBROOK UNIT #2171W42-335-35686BCE-MACH III LLCInjection75040,1232,300–3,200
ActiveNORTH WESTBROOK UNIT #1521W42-335-35713BCE-MACH III LLCInjection75040,1142,300–3,500
ActiveMILLS-STRAIN UNIT #110542-335-01117SCHLACHTER OPER CORPInjection30040,1061,480–1,589
ActiveMILLS-STRAIN UNIT #40142-335-01221SCHLACHTER OPER CORPInjection30040,1061,510–1,600
ActiveSTRAIN, L. A. #3D42-335-00868SCHLACHTER OPER CORPInjection25040,1061,580–1,694
ActiveHARDEE, N. ET AL #5D42-335-01619SCHLACHTER OPER CORPInjection25040,1001,504–1,534
ActiveNORTH WESTBROOK UNIT #3516W42-335-34830BCE-MACH III LLCInjection75039,9122,900–3,500
ActiveNORTH WESTBROOK UNIT #3031W42-335-35348BCE-MACH III LLCInjection75039,8902,850–3,500
ActiveMILLS-STRAIN UNIT #120242-335-00709SCHLACHTER OPER CORPInjection30039,4861,496–1,652
ActiveWATSON, W. W. #23W42-335-30813BASA RES, INCInjection1,00039,4642,406–3,216
ActiveNORTH WESTBROOK UNIT #2508W42-335-34859BCE-MACH III LLCInjection75039,2732,900–3,500
ActiveCOLEMAN RANCH UNIT #60742-335-33456AMERICO ENGY RES, LLCInjection1,00038,3302,575–3,000
ActiveMILLS-STRAIN UNIT #120842-335-00715SCHLACHTER OPER CORPInjection30037,7021,500–1,635
ActiveNORTH WESTBROOK UNIT #6869W42-335-35259BCE-MACH III LLCInjection75037,5372,950–3,500
ActiveNORTH WESTBROOK UNIT #3717W42-335-34977BCE-MACH III LLCInjection75037,4452,920–3,500
ActiveCRAWFORD-STRAIN UNIT #30142-335-01353SCHLACHTER OPER CORPInjection15037,3681,624–1,765
ActiveCRAWFORD-STRAIN UNIT #60542-335-34194SCHLACHTER OPER CORPInjection15037,3531,630–1,750
ActiveNORTH WESTBROOK UNIT #6844W42-335-34789BCE-MACH III LLCInjection75037,3252,500–3,500
ActiveCRAWFORD-STRAIN UNIT #60642-335-35409SCHLACHTER OPER CORPInjection25037,2641,622–1,750
ActiveCRAWFORD-STRAIN UNIT #100342-335-32825SCHLACHTER OPER CORPInjection25037,1611,622–1,750
ActiveCRAWFORD-STRAIN UNIT #90542-335-00098SCHLACHTER OPER CORPInjection25037,1521,641–1,745
ActiveNORTH WESTBROOK UNIT #6824W42-335-33471BCE-MACH III LLCInjection80036,9283,025–3,066
ActiveCRAWFORD-STRAIN UNIT #72242-335-34197SCHLACHTER OPER CORPInjection15036,8191,610–1,750
ActiveCRAWFORD-STRAIN UNIT #72442-335-34490SCHLACHTER OPER CORPInjection25036,8141,640–1,750
ActiveCRAWFORD-STRAIN UNIT #110242-335-01247SCHLACHTER OPER CORPInjection30036,7681,608–1,696
ActiveMILLS-STRAIN UNIT #190542-335-01742SCHLACHTER OPER CORPInjection30036,7551,546–1,668
ActiveNORTH WESTBROOK UNIT #3527W42-335-34985BCE-MACH III LLCInjection75036,6902,850–3,500
ActiveNORTH WESTBROOK UNIT #5121W42-335-34948BCE-MACH III LLCInjection75036,4192,850–3,500
ActiveCRAWFORD-STRAIN UNIT #71742-335-33136SCHLACHTER OPER CORPInjection25036,3741,630–1,730
ActiveWESTBROOK SOUTHWEST UNIT #1006W42-335-32089GRAYROCK ENERGY II, LLCInjection70036,0352,300–3,300
ActiveNORTH WESTBROOK UNIT #103W42-335-00179BCE-MACH III LLCInjection80035,8342,964–3,140
ActiveNORTH WESTBROOK UNIT #7051W42-335-35523BCE-MACH III LLCInjection75035,7272,850–4,000
ActiveNORTH WESTBROOK UNIT #5221W42-335-35705BCE-MACH III LLCInjection75035,5782,850–3,500
ActiveNORTH WESTBROOK UNIT #3822W42-335-35635BCE-MACH III LLCDisposal75035,5553,100–4,000
ActiveWESTBROOK SOUTHEAST UNIT #358W42-335-34455BCE-MACH III LLCInjection50035,5322,300–3,250
ActiveNORTH WESTBROOK UNIT #2705W42-335-34863BCE-MACH III LLCInjection75035,5222,900–3,500
ActiveWESTBROOK SOUTHEAST UNIT #47W42-335-33354BCE-MACH III LLCInjection1,00035,4492,900–3,100
ActiveFOSTER, W. L. #1 #55W42-335-31389BCE-MACH III LLCInjection80035,4302,400–2,901
ActiveNORTH WESTBROOK UNIT #6847W42-335-34796BCE-MACH III LLCInjection75035,1662,700–3,500
ActiveNORTH WESTBROOK UNIT #610942-335-34651BCE-MACH III LLCInjection75035,1182,900–3,500
ActiveNORTH WESTBROOK UNIT #3718W42-335-34978BCE-MACH III LLCInjection75034,8682,930–3,500
ActiveFOSTER, MARY #500W42-335-34634BASA RES, INCInjection80034,6702,300–3,400
ActiveWESTBROOK SOUTHEAST UNIT #734W42-335-34459BCE-MACH III LLCInjection50034,6702,300–3,250
ActiveNORTH WESTBROOK UNIT #3612W42-335-34942BCE-MACH III LLCInjection75034,4522,950–3,500
ActiveNORTH WESTBROOK UNIT #6950W42-335-35522BCE-MACH III LLCInjection75033,8222,850–4,000
ActiveNORTH WESTBROOK UNIT #3513W42-335-34643BCE-MACH III LLCInjection75033,3282,900–3,500
ActiveNORTH WESTBROOK UNIT #6347W42-335-35618BCE-MACH III LLCInjection75033,0652,398–3,101
ActiveWESTBROOK SOUTHEAST UNIT #1854W42-335-34220BCE-MACH III LLCInjection50032,9512,850–3,200
ActiveWESTBROOK SOUTHEAST UNIT #1301A42-335-00332BCE-MACH III LLCInjection75032,6492,850–3,140
ActiveNORTH WESTBROOK UNIT #7044W42-335-34931BCE-MACH III LLCInjection75032,2622,850–3,500
ActiveNORTH WESTBROOK UNIT #2413W42-335-35399BCE-MACH III LLCInjection5,00032,2382,850–3,500
ActiveFOSTER, W. L. #1 #26W42-335-01403BCE-MACH III LLCInjection1,50032,0732,735–2,960
ActiveWESTBROOK SOUTHEAST UNIT #887W42-335-35053BCE-MACH III LLCInjection75031,8952,800–3,500
ActiveNORTH WESTBROOK UNIT #3408W42-335-34991BCE-MACH III LLCInjection75031,6512,850–3,500
ActiveNORTH WESTBROOK UNIT #2512W42-335-34996BCE-MACH III LLCInjection75030,8242,950–3,500
ActiveNEWBY #342-335-32112NORDSTRAND ENGINEERING, INCInjection030,8003,012
ActiveNORTH WESTBROOK UNIT #5115W42-335-34832BCE-MACH III LLCInjection75030,4962,700–3,500
ActiveFOSTER, MARY #311WI42-335-33688BASA RES, INCInjection1,00030,3032,300–3,275
ActiveFOSTER, MARY #264W42-335-33490BASA RES, INCInjection1,00030,2602,545–3,027
ActiveNORTH WESTBROOK UNIT #4604W42-335-35701BCE-MACH III LLCInjection75030,2472,400–3,500
ActiveNORTH WESTBROOK UNIT #6839W42-335-34668BCE-MACH III LLCInjection75029,9742,850–3,500
ActiveNORTH WESTBROOK UNIT #5908W42-335-34808BCE-MACH III LLCInjection75029,6732,700–3,500
ActiveNORTH WESTBROOK UNIT #820W42-335-35892BCE-MACH III LLCInjection75029,0882,700–3,500
page 4 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.