Saltwater Disposal Wells in Howard County

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

Active Wells

1,180

Permitted Capacity

6.0M bbl/d

Injected 12mo (thru 2025-06)

488.6M bbl

UIC Permits All Time

3,068

Howard County produced-water market → capacity trends, top holders, permit velocity

Earthquakes in Howard County → seismicity & the disposal link, from TexNet

STATUS	LEASE / WELL	API	OPERATOR	TYPE	PERMITTED BBL/D	INJECTED 12MO	ZONE (FT)
Active	HUGHES SWD #1	42-227-37927	PILOT WATER SOLUTIONS PERMIANLLC	Disposal	35,000	944,128	3,200–4,800
Active	ZANT, H. N. #6	42-227-03055	DKL WATER GATHERING PERMIAN, LLC	Injection	10,000	930,021	7,757–7,907
Active	KLOH-RUMSEY #9D	42-227-03953	EXTEX OPER CO	Disposal	4,000	929,285	2,700–3,100
Active	REED -A- #25	42-227-34669	CITATION OIL & GAS CORP	Injection	3,000	922,882	2,800–3,260
Active	ROBERTS, DORA -BDE- #273	42-227-38457	BASA RES, INC	Injection	30,000	888,320	3,000–4,200
Active	DOUTHIT-B 1 #10D	42-227-30227	CITATION OIL & GAS CORP	Injection	10,000	849,639	3,000–3,855
Active	GLASS SWD #1	42-227-36989	SURGE OPER, LLC	Disposal	15,000	841,592	2,845–5,000
Active	8410 JV-P MAYFIELD #1	42-227-34113	HIBERNIA RES IV, LLC	Disposal	10,000	835,191	3,280–4,740
Active	MIDDLETON 38 #1	42-227-34916	SURGE OPER, LLC	Injection	25,000	803,168	8,570–8,732
Active	KRAMPF SWD #1	42-227-38364	HIGHPEAK ENGY HOLDINGS, LLC	Disposal	30,000	798,071	3,000–4,400
Active	CONNALLY #2841	42-227-37690	OXY USA INC	Injection	10,000	794,830	3,450–4,650
Active	EAST VEALMOOR UNIT #52W	42-227-00013	SURGE OPER, LLC	Injection	6,500	785,495	7,258–7,880
Active	GALVESTON #1	42-227-39337	HIGHPEAK ENGY HOLDINGS, LLC	Disposal	35,000	781,776	3,000–4,400
Active	TUBB SWD #1D	42-227-39562	CIVITAS PERMIAN OPER, LLC	Injection	10,000	758,202	2,998–3,786
Active	AXIS SWD #1	42-227-40013	SELECT WATER SOLUTIONS, LLC	Disposal	50,000	753,502	10,250–13,000
Active	EAST VEALMOOR DISPOSAL UNIT NO.2 #2D	42-227-34293	SURGE OPER, LLC	Injection	15,000	748,240	7,800–9,200
Active	MS. VEAL #6	42-227-37790	DKL WATER GATHERING PERMIAN, LLC	Injection	10,000	747,279	7,988–8,100
Active	ROBERTS, DORA -BDE- #468W	42-227-30809	BASA RES, INC	Injection	5,000	742,996	2,325–2,870
Active	FRYAR -37- #1WD	42-227-37754	SMC OIL & GAS, INC	Disposal	20,000	732,484	3,350–5,300
Active	GUITAR ESTATE -B- #2D	42-227-34375	AMERICO ENGY RES, LLC	Injection	5,000	732,389	8,700–10,800
Active	EASON, S. T. #18	42-227-34440	CITATION OIL & GAS CORP	Injection	5,000	730,133	2,050–2,375
Active	KLOH -A- #14W	42-227-35152	BASA RES, INC	Injection	5,000	723,256	2,000–2,500
Active	ROBERTS, DORA #37L	42-227-34961	BASA RES, INC	Injection	3,000	716,935	2,000–3,000
Active	REED -A- #5W	42-227-02879	CITATION OIL & GAS CORP	Injection	2,800	707,144	2,200–3,250
Active	FRYAR 3S #2XD	42-227-41332	BAYSWATER OPER CO LLC	Disposal	20,000	704,571	9,450–10,350
Active	ROBERTS, DORA #44W	42-227-35114	BASA RES, INC	Injection	4,000	698,217	2,000–3,000
Active	JOHNSON, DC DISPOSAL #202	42-227-32473	AQUA TERRA PERMIAN, LLC	Disposal	10,000	687,751	3,723–4,600
Active	BUD SWD #1	42-227-39502	VELOCITY WATER SOLUTIONS, LP	Disposal	25,000	675,936	3,350–5,472
Active	LUTHER SWD #1	42-227-41434	OVERFLOW ENGY PERMIAN, LLC	Disposal	25,000	670,702	3,000–4,500
Active	CHAMPAGNES SWD #1	42-227-39185	P4 OPER, LLC	Injection	25,000	668,663	5,350–9,600
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #194W	42-227-37061	BASA RES, INC	Injection	7,000	660,193	2,000–2,700
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #124RW	42-227-36288	BASA RES, INC	Injection	5,000	658,246	2,000–2,700
Active	ROBERTS, DORA -BDE- #425W	42-227-80586	BASA RES, INC	Injection	3,000	653,587	2,376–2,914
Active	PATTERSON #2713	42-227-36895	OXY USA INC	Injection	10,000	644,709	3,200–4,100
Active	HYMAN, SARAH #21W	42-227-30215	CITATION OIL & GAS CORP	Injection	4,000	641,698	2,000–3,100
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #156RW	42-227-36290	BASA RES, INC	Injection	5,000	632,898	2,000–2,700
Active	OVERTON, B.-A- #8	42-227-31148	CITATION OIL & GAS CORP	Injection	5,000	616,633	2,150–2,476
Active	EAST VEALMOOR UNIT #38W	42-227-00014	SURGE OPER, LLC	Injection	10,000	611,595	6,900–7,410
Active	CHALK, SLOAN #29	42-227-35726	CITATION OIL & GAS CORP	Injection	4,000	609,242	2,500–4,200
Active	CHALK, G. O.-A- #21U	42-227-37852	CITATION OIL & GAS CORP	Injection	4,000	608,684	2,087–2,937
Active	ROBERTS, DORA #35W	42-227-34981	BASA RES, INC	Injection	3,000	605,360	2,000–3,000
Active	ROBERTS, DORA #52W	42-227-37269	BASA RES, INC	Injection	5,000	602,575	2,300–2,900
Active	SETTLES, W. R. #17CW	42-227-33333	CITATION OIL & GAS CORP	Injection	3,000	588,344	1,265–1,300
Active	SETTLES, W. R. #67W	42-227-31620	CITATION OIL & GAS CORP	Injection	2,000	569,666	2,042–2,577
Active	FLETCH #1	42-227-39038	SM ENGY CO	Disposal	30,000	565,503	10,118–10,470
Active	CHALK,MARY #76W	42-227-34273	CITATION OIL & GAS CORP	Injection	2,000	559,862	2,060–3,200
Active	CAO #1R	42-227-40627	SELECT WATER SOLUTIONS, LLC	Injection	25,000	556,075	2,900–5,650
Active	SETTLES, W. R. -A- #108W	42-227-31642	CITATION OIL & GAS CORP	Injection	2,000	555,837	2,110–2,729
Active	ROBERTS, DORA -BDE- #318W	42-227-30545	BASA RES, INC	Injection	4,000	554,277	2,351–2,702
Active	REED -A- #26	42-227-34668	CITATION OIL & GAS CORP	Injection	3,000	553,713	2,800–3,260
Active	CHALK, G. O.-G- #52W	42-227-34537	CITATION OIL & GAS CORP	Injection	2,000	552,671	3,000–3,800
Active	ROBERTS, DORA -BDE- #344W	42-227-34985	BASA RES, INC	Injection	6,000	551,999	2,000–3,000
Active	SETTLES, W. R. -A- #156	42-227-34544	CITATION OIL & GAS CORP	Injection	3,000	542,123	2,250–2,600
Active	ROBERTS, DORA -BDE- #258W	42-227-30520	BASA RES, INC	Injection	5,000	540,754	2,340–2,699
Active	ROBERTS, DORA -BDE- #4104U	42-227-34764	BASA RES, INC	Injection	7,000	538,010	2,000–3,000
Active	8410 JV-P WATTERS #1W	42-227-34056	HIBERNIA RES IV, LLC	Disposal	10,000	536,748	3,200–4,800
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #171L	42-227-36298	BASA RES, INC	Injection	7,000	533,580	2,350–2,700
Active	CHALK, G. O. #19W	42-227-30132	GRAYROCK ENERGY II, LLC	Injection	2,000	528,171	2,113–2,263
Active	SETTLES, W. R. -A- #35W	42-227-00656	CITATION OIL & GAS CORP	Injection	2,000	518,609	2,128–2,571
Active	CHALK, G. O. #15W	42-227-30012	GRAYROCK ENERGY II, LLC	Injection	2,000	515,071	2,078–2,206
Active	BARNETT DEEP #1	42-227-36882	OXY USA INC	Injection	20,000	509,793	3,500–4,600
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #169W	42-227-36294	BASA RES, INC	Injection	5,000	503,478	2,000–2,700
Active	STEWART YATES SAND UNIT #303WR	42-227-04248	WASH, ROBERT C. INC	Injection	3,000	502,040	1,428–1,480
Active	CHALK, G. O. #56CF	42-227-39903	GRAYROCK ENERGY II, LLC	Injection	2,500	500,705	3,000–3,900
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #145RW	42-227-36295	BASA RES, INC	Injection	5,000	499,404	2,000–2,700
Active	CHALK ESTATE #15W	42-227-30344	CITATION OIL & GAS CORP	Injection	2,000	493,872	2,552–3,700
Active	ROBERTS, DORA -BDE- #472W	42-227-30906	BASA RES, INC	Injection	6,000	486,886	2,178–2,740
Active	KLOH #53W	42-227-35505	GRAYROCK ENERGY II, LLC	Injection	5,000	486,373	2,000–2,600
Active	CHALK, G. O.-G- #39W	42-227-33897	CITATION OIL & GAS CORP	Injection	2,000	481,932	2,550–3,200
Active	CHALK,MARY #41W	42-227-30345	CITATION OIL & GAS CORP	Injection	2,000	480,689	2,600–3,100
Active	ROBERTS, DORA -BDE- #4111U	42-227-34986	BASA RES, INC	Injection	5,000	480,120	2,000–3,000
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #146W	42-227-30477	BASA RES, INC	Injection	7,000	479,391	2,300–2,450
Active	CHALK, G. O.-G- #32	42-227-30772	CITATION OIL & GAS CORP	Injection	2,000	478,007	2,654–4,200
Active	ROBERTS, DORA #34W	42-227-34989	BASA RES, INC	Injection	3,000	477,819	2,000–3,000
Active	SETTLES, W. R. #49	42-227-30839	CITATION OIL & GAS CORP	Injection	3,500	474,726	2,111–2,507
Active	SETTLES, W. R. #2	42-227-03524	BASA RES, INC	Injection	30,000	472,973	2,920–2,982
Active	SETTLES, W. R. #38W	42-227-00661	CITATION OIL & GAS CORP	Injection	2,000	465,386	2,104–2,486
Active	KLOH #39	42-227-34592	GRAYROCK ENERGY II, LLC	Injection	3,000	465,324	2,000–2,600
Active	SETTLES, W. R. -A- #121W	42-227-32050	CITATION OIL & GAS CORP	Injection	3,000	464,577	2,270–2,700
Active	KLOH #58W	42-227-35507	GRAYROCK ENERGY II, LLC	Injection	3,000	463,546	2,000–2,600
Active	KLOH -A- #15	42-227-35235	BASA RES, INC	Injection	5,000	461,344	2,000–3,000
Active	OVERTON, B.-A- #1W	42-227-00410	CITATION OIL & GAS CORP	Injection	5,000	460,799	2,094–2,466
Active	SETTLES, W. R. -A- #7YW	42-227-00598	CITATION OIL & GAS CORP	Injection	1,500	454,216	1,175–1,289
Active	ROBERTS, DORA -BDE- #463L	42-227-30702	BASA RES, INC	Injection	3,000	450,299	1,350–2,724
Active	ROBERTS, DORA #22W	42-227-02080	CITATION OIL & GAS CORP	Injection	4,000	448,657	2,308–2,565
Active	WINANS, J. F. #1W	42-227-02571	DKL WATER GATHERING PERMIAN, LLC	Injection	8,000	446,049	3,330–8,277
Active	GILBERT, G. WRIGHT. JR. ESTATE #1	42-227-33914	SELECT WATER SOLUTIONS, LLC	Disposal	15,000	442,422	9,350–9,650
Active	SETTLES, W. R. -A- #33W	42-227-00648	CITATION OIL & GAS CORP	Injection	2,000	438,874	2,186–2,601
Active	ROBERTS, DORA #36L	42-227-34960	BASA RES, INC	Injection	3,000	435,318	2,000–3,000
Active	FRYAR 3S #1D	42-227-41302	BAYSWATER OPER CO LLC	Disposal	20,000	433,917	2,900–4,100
Active	ROBERTS, DORA -BDE- #292U	42-227-34958	BASA RES, INC	Injection	3,000	433,831	2,000–3,000
Active	SETTLES, W. R. -A- #107W	42-227-31625	CITATION OIL & GAS CORP	Injection	2,000	432,370	2,338–2,630
Active	ROBERTS, DORA #51W	42-227-37250	BASA RES, INC	Injection	5,000	430,540	2,300–3,300
Active	SETTLES, W. R. -A- #31YW	42-227-00644	CITATION OIL & GAS CORP	Injection	1,500	422,500	1,292–1,364
Active	SETTLES, W. R. #25W	42-227-00623	CITATION OIL & GAS CORP	Injection	5,000	420,242	2,112–2,506
Active	KLOH #34L	42-227-34226	GRAYROCK ENERGY II, LLC	Injection	1,500	414,271	2,275–2,600
Active	KLOH #10	42-227-01891	GRAYROCK ENERGY II, LLC	Injection	3,000	413,359	2,000–2,600
Active	ROBERTS, DORA -BDE- #455W	42-227-30581	BASA RES, INC	Injection	6,000	412,800	2,382–2,764
Active	GUITAR 7 #2	42-227-36083	WILSON SYSTEMS, INC	Injection	20,000	410,729	3,170–5,260
Active	HOOPSNAKE "23" #2	42-227-37594	SM ENGY CO	Disposal	30,000	401,583	3,400–5,450

page 2 of 31 · 3,068 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.