Saltwater Disposal Wells in Stonewall County

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

Active Wells

300

Permitted Capacity

890,095 bbl/d

Injected 12mo (thru 2025-06)

20.1M bbl

UIC Permits All Time

1,203

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	T-DIAMOND 11 #1D	42-433-34221	WALSH & WATTS, INC	Disposal	20,000	1.5M	3,650–3,745
Active	KATZ (STRAWN) UNIT #312	42-433-33697	ATLAS OPER LLC	Injection	10,000	704,694	4,800–5,600
Active	KATZ (STRAWN) UNIT #300A	42-433-33647	ATLAS OPER LLC	Injection	10,000	581,299	4,760–5,443
Active	KATZ (STRAWN) UNIT #362	42-433-33932	ATLAS OPER LLC	Injection	10,000	568,486	4,750–5,600
Active	KATZ (STRAWN) UNIT #270	42-433-33524	ATLAS OPER LLC	Injection	10,000	488,988	4,754–5,441
Active	KATZ (STRAWN) UNIT #162	42-433-33512	ATLAS OPER LLC	Injection	10,000	458,101	4,779–5,443
Active	KATZ (STRAWN) UNIT #430	42-433-33925	ATLAS OPER LLC	Injection	10,000	437,024	4,750–5,600
Active	BROOKRESON, D.J. #6	42-433-00393	STEPHENS & JOHNSON OPER CO	Injection	2,500	432,670	5,280–5,358
Active	KATZ (STRAWN) UNIT #192	42-433-33593	ATLAS OPER LLC	Injection	10,000	430,229	4,765–5,443
Active	KATZ (STRAWN) UNIT #342	42-433-33611	ATLAS OPER LLC	Injection	10,000	417,392	4,764–5,561
Active	BROOKRESON, D.J. #2	42-433-00389	STEPHENS & JOHNSON OPER CO	Injection	2,500	405,851	5,268–5,288
Active	KATZ (STRAWN) UNIT #410	42-433-33650	ATLAS OPER LLC	Injection	10,000	383,891	4,750–5,500
Active	KATZ (STRAWN) UNIT #282A	42-433-33617	ATLAS OPER LLC	Injection	10,000	370,704	4,785–5,455
Active	KATZ (STRAWN) UNIT #334	42-433-33719	ATLAS OPER LLC	Injection	10,000	359,209	4,800–5,600
Active	KATZ (STRAWN) UNIT #350	42-433-33926	ATLAS OPER LLC	Injection	10,000	350,972	4,750–5,600
Active	KATZ (STRAWN) UNIT #160	42-433-33511	ATLAS OPER LLC	Injection	10,000	337,111	4,773–5,450
Active	KATZ (STRAWN) UNIT #324	42-433-33736	ATLAS OPER LLC	Injection	10,000	314,981	4,800–5,600
Active	KATZ (STRAWN) UNIT #144	42-433-33514	ATLAS OPER LLC	Injection	10,000	314,951	4,700–5,456
Active	KATZ (STRAWN) UNIT #240	42-433-33523	ATLAS OPER LLC	Injection	10,000	301,140	4,793–5,460
Active	KATZ (STRAWN) UNIT #302A	42-433-33695	ATLAS OPER LLC	Injection	10,000	289,081	4,800–5,600
Active	FERGUSON #13WI	42-433-33816	SCOUT ENGY MANAGEMENT LLC	Injection	10,000	273,061	6,200–6,550
Active	KATZ (STRAWN) UNIT #316A	42-433-33770	ATLAS OPER LLC	Injection	10,000	257,036	4,792–5,467
Active	PITTCOCK #1	42-433-01312	POP OPER CO	Injection	850	256,431	5,918–5,930
Active	KATZ (STRAWN) UNIT #314A	42-433-33753	ATLAS OPER LLC	Injection	10,000	253,091	4,791–5,510
Active	KATZ (STRAWN) UNIT #332	42-433-33733	ATLAS OPER LLC	Injection	10,000	250,045	4,750–5,600
Active	KATZ (STRAWN) UNIT #284A	42-433-33722	ATLAS OPER LLC	Injection	10,000	218,574	4,803–5,480
Active	FLOWERS /CANYON SAND/ UNIT #418W	42-433-33988	CITATION OIL & GAS CORP	Injection	1,000	216,073	4,000–4,350
Active	ANDERSON, P. L. -A- #18	42-433-32078	CLEAR FORK, INC	Disposal	5,000	196,517	3,178–3,620
Active	KATZ (STRAWN) UNIT #154	42-433-33520	ATLAS OPER LLC	Injection	10,000	186,304	4,784–5,445
Active	FERGUSON #6WI	42-433-33584	SCOUT ENGY MANAGEMENT LLC	Injection	1,000	177,483	4,775–6,500
Active	FLOWERS /CANYON SAND/ UNIT #274W	42-433-33423	CITATION OIL & GAS CORP	Injection	1,500	171,090	4,000–4,500
Active	SCOGGINS, FLOSSIE E. -A- #8	42-433-34214	MIDLAND OIL AND GAS, INC	Injection	5,000	170,100	4,950–5,111
Active	SMITH, CLEO #3	42-433-01128	COMSTOCK ENGY, LLC	Injection	1,000	160,063	5,530–5,750
Active	WEST FLOWERS UNIT #37W	42-433-00249	GRAYROCK ENERGY II, LLC	Injection	1,000	156,605	4,256–4,474
Active	SMITH, CLEO WARD #7	42-433-00622	TACOR RES INC	Disposal	1,000	155,597	5,018–5,405
Active	KATZ (STRAWN) UNIT #3521A	42-433-33689	ATLAS OPER LLC	Injection	10,000	153,739	4,800–5,600
Active	FLOWERS /CANYON SAND/ UNIT #222	42-433-31428	CITATION OIL & GAS CORP	Injection	1,500	147,047	4,000–4,350
Active	SALTLICK #1	42-433-33971	SCOUT ENGY MANAGEMENT LLC	Injection	1,500	145,541	5,165–5,171
Active	CORSICA UNIT #7	42-433-33785	SCOUT ENGY MANAGEMENT LLC	Injection	1,500	142,805	5,986–6,000
Active	HUNT, C.O. #14	42-433-34093	WINN OPER, LLC	Injection	1,300	142,238	3,042–4,493
Active	SALTLICK #6	42-433-34108	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	141,608	5,186–5,196
Active	FLOWERS /CANYON SAND/ UNIT #401W	42-433-33989	CITATION OIL & GAS CORP	Injection	1,000	141,426	4,000–4,350
Active	MCMILLIN (CANYON SAND) UNIT #507	42-433-34163	MIDLAND OIL AND GAS, INC	Injection	500	134,800	4,192–5,151
Active	KATZ (STRAWN) UNIT #3541	42-433-33834	ATLAS OPER LLC	Injection	10,000	133,893	4,750–5,600
Active	SMITH, LEE, ETAL #4	42-433-10416	TACOR RES INC	Injection	1,000	133,253	4,600–4,976
Active	WEST FLOWERS UNIT #59	42-433-30542	GRAYROCK ENERGY II, LLC	Injection	1,000	133,087	4,238–4,438
Active	FLOWERS /CANYON SAND/ UNIT #403W	42-433-34004	CITATION OIL & GAS CORP	Injection	1,000	131,282	4,000–4,350
Active	FLOWERS /CANYON SAND/ UNIT #341W	42-433-34001	CITATION OIL & GAS CORP	Injection	1,000	129,627	4,000–4,350
Active	MALLARD #1D	42-433-34227	WALSH & WATTS, INC	Injection	20,000	128,229	3,500–4,000
Active	FLOWERS /CANYON SAND/ UNIT #347W	42-433-33882	CITATION OIL & GAS CORP	Injection	1,500	120,654	4,000–4,500
Active	JEFF SMITH #3	42-433-34088	TACOR RES INC	Injection	1,000	116,105	4,500–4,950
Active	KATZ (STRAWN) UNIT #290	42-433-33526	ATLAS OPER LLC	Injection	10,000	114,233	4,762–5,442
Active	CORSICA UNIT #1WI	42-433-33800	SCOUT ENGY MANAGEMENT LLC	Injection	3,000	113,677	5,950–6,500
Active	FLOWERS /CANYON SAND/ UNIT #68	42-433-01369	CITATION OIL & GAS CORP	Injection	1,500	111,865	4,000–4,323
Active	FLOWERS /CANYON SAND/ UNIT #322W	42-433-33543	CITATION OIL & GAS CORP	Injection	1,500	111,753	4,000–4,500
Active	KUNTZ, LOIS #4	42-433-33117	SOJOURNER DRLG. CORP	Injection	500	111,059	3,126–3,133
Active	WEST FLOWERS UNIT #6 W	42-433-00320	GRAYROCK ENERGY II, LLC	Injection	1,000	108,435	4,225–4,336
Active	WEST FLOWERS UNIT #100	42-433-00256	GRAYROCK ENERGY II, LLC	Injection	1,000	108,382	4,300–4,494
Active	FLOWERS /CANYON SAND/ UNIT #296W	42-433-33464	CITATION OIL & GAS CORP	Injection	1,500	106,851	4,000–4,500
Active	WEST FLOWERS UNIT #36W	42-433-00251	GRAYROCK ENERGY II, LLC	Injection	1,000	106,753	4,291–4,500
Active	GRAHAM, C.H. #5	42-433-32074	SALIDA EXPL, LLC	Injection	500	104,656	2,908–2,922
Active	FLOWERS /CANYON SAND/ UNIT #408W	42-433-34005	CITATION OIL & GAS CORP	Injection	1,000	103,763	4,000–4,350
Active	WEST FLOWERS UNIT #30W	42-433-00242	GRAYROCK ENERGY II, LLC	Injection	1,000	100,673	4,090–4,450
Active	FLOWERS /CANYON SAND/ UNIT #297W	42-433-33487	CITATION OIL & GAS CORP	Injection	1,500	100,119	4,000–4,500
Active	FLOWERS /CANYON SAND/ UNIT #280W	42-433-33596	CITATION OIL & GAS CORP	Injection	1,500	97,069	4,000–4,500
Active	JEFF SMITH #5	42-433-34111	TACOR RES INC	Injection	1,000	90,532	4,500–4,950
Active	MCMILLIN (CANYON SAND) UNIT #702	42-433-34124	MIDLAND OIL AND GAS, INC	Injection	500	87,750	4,192–5,151
Active	MCMILLIN (CANYON SAND) UNIT #406	42-433-34150	MIDLAND OIL AND GAS, INC	Injection	500	87,750	4,192–5,151
Active	FLOWERS /CANYON SAND/ UNIT #313W	42-433-33563	CITATION OIL & GAS CORP	Injection	1,500	86,144	4,000–4,500
Active	FLOWERS /CANYON SAND/ UNIT #270	42-433-33455	CITATION OIL & GAS CORP	Injection	1,500	82,708	4,000–4,500
Active	WEST FLOWERS UNIT #2	42-433-00311	GRAYROCK ENERGY II, LLC	Injection	1,000	81,502	4,310–4,495
Active	GUEST /CANYON SAND/ UNIT #54	42-433-33142	R3 OPERATING CORPORATION	Injection	700	80,726	4,388–4,480
Active	WALTER SMITH UNIT #22	42-433-33856	MIDLAND OIL AND GAS, INC	Injection	1,000	80,520	5,386–5,508
Active	FLOWERS /CANYON SAND/ UNIT #306W	42-433-33506	CITATION OIL & GAS CORP	Injection	1,500	80,253	4,000–4,500
Active	MCCOY #2	42-433-33126	BYRNE OIL CO	Injection	1,000	77,568	3,185–4,677
Active	EAST FRANKIRK (CANYON SAND) UNIT #1902	42-433-34061	MIDLAND OIL AND GAS, INC	Injection	500	72,800	4,192–5,151
Active	MCMILLIN (CANYON SAND) UNIT #44	42-433-30775	MIDLAND OIL AND GAS, INC	Injection	500	72,600	4,192–5,151
Active	BISSETT "60" #2WI	42-433-00930	IS ENERGY, LLC	Injection	5,000	70,690	5,448–6,052
Active	LACKEY #2	42-433-34086	SCOUT ENGY MANAGEMENT LLC	Injection	2,500	69,310	5,180–5,200
Active	CORSICA UNIT #39	42-433-33935	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	65,884	5,850–6,030
Active	FLOWERS /CANYON SAND/ UNIT #92	42-433-01366	CITATION OIL & GAS CORP	Injection	1,500	64,467	4,000–4,321
Active	EAST FLOWERS/CANYON/UNIT #513X	42-433-33367	R3 OPERATING CORPORATION	Injection	1,500	64,454	3,980–4,148
Active	FLOWERS /CANYON SAND/ UNIT #250A	42-433-33426	CITATION OIL & GAS CORP	Injection	1,500	63,837	4,000–4,500
Active	CORSICA UNIT #38	42-433-33952	SCOUT ENGY MANAGEMENT LLC	Injection	2,000	63,674	5,984–6,002
Active	MCMILLIN (CANYON SAND) UNIT #1210	42-433-34201	MIDLAND OIL AND GAS, INC	Injection	500	63,400	4,192–5,151
Active	CORSICA UNIT #45	42-433-34125	SCOUT ENGY MANAGEMENT LLC	Injection	15,000	62,676	5,980–5,988
Active	MCMILLIN (CANYON SAND) UNIT #601WI	42-433-34040	MIDLAND OIL AND GAS, INC	Injection	500	61,650	4,192–5,151
Active	WEST FLOWERS UNIT #19	42-433-00327	GRAYROCK ENERGY II, LLC	Injection	1,000	61,360	4,230–4,435
Active	FLOWERS /CANYON SAND/ UNIT #269W	42-433-33424	CITATION OIL & GAS CORP	Injection	1,500	59,900	4,000–4,500
Active	CORSICA UNIT #13	42-433-33838	SCOUT ENGY MANAGEMENT LLC	Injection	1,500	58,116	5,900–6,100
Active	SPITZER #1	42-433-34082	CHISHOLM OPER, INC	Injection	1,500	57,694	6,046–6,150
Active	FLOWERS /CANYON SAND/ UNIT #295W	42-433-33453	CITATION OIL & GAS CORP	Injection	1,500	56,653	4,000–4,500
Active	SMITH, CLEO #5	42-433-01130	COMSTOCK ENGY, LLC	Disposal	1,000	54,360	5,161–5,396
Active	EAST FLOWERS/CANYON/UNIT #113X	42-433-33395	R3 OPERATING CORPORATION	Injection	1,500	52,457	3,890–4,210
Active	BISSETT, NE (STRAWN LIME) #22	42-433-32534	NEW HEIGHT ENERGY, LLC	Injection	1,000	51,748	5,310–5,390
Active	SMITH, LEE, ETAL #90	42-433-33896	TACOR RES INC	Injection	1,000	49,939	4,450–4,938
Active	UPSHAW, T. A. -A- #6	42-433-01288	WILLIAMS, A. OIL	Injection	1,000	47,710	4,765–5,485
Active	FLOWERS /CANYON SAND/ UNIT #378	42-433-33673	CITATION OIL & GAS CORP	Injection	1,500	45,942	4,000–4,500
Active	FLOWERS /CANYON SAND/ UNIT #285W	42-433-33463	CITATION OIL & GAS CORP	Injection	1,500	45,726	4,000–4,500
Active	STATE OF TEXAS TANNEHILL UNIT #1	42-433-32499	BIG AL OIL AND GAS	Injection	750	44,301	2,793–2,797

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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.