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	CHALK ESTATE #13W	42-227-10569	CITATION OIL & GAS CORP	Injection	4,000	399,928	2,019–2,182
Active	SETTLES, W. R. -A- #56W	42-227-10103	CITATION OIL & GAS CORP	Injection	3,000	399,667	1,533–2,685
Active	CHALK, G. O. -C- #40U	42-227-38548	CITATION OIL & GAS CORP	Injection	4,000	399,443	2,258–3,118
Active	SETTLES, W. R. #122YW	42-227-31901	CITATION OIL & GAS CORP	Injection	5,000	399,246	1,320–1,340
Active	KLOH #37L	42-227-34593	GRAYROCK ENERGY II, LLC	Injection	5,000	395,926	2,290–2,600
Active	CHALK, G. O.-G- #25W	42-227-30276	CITATION OIL & GAS CORP	Injection	2,000	395,606	2,600–3,100
Active	KLOH #47U	42-227-35511	GRAYROCK ENERGY II, LLC	Injection	1,500	394,773	2,000–2,300
Active	CHALK, G. O.-G- #48W	42-227-34138	CITATION OIL & GAS CORP	Injection	2,000	391,840	2,000–2,250
Active	CHALK, SLOAN #21W	42-227-31099	CITATION OIL & GAS CORP	Injection	2,000	391,650	1,986–2,238
Active	EASON, S. T. #8	42-227-04362	CITATION OIL & GAS CORP	Injection	5,000	390,534	2,072–2,504
Active	KLOH #37U	42-227-34593	GRAYROCK ENERGY II, LLC	Injection	5,000	390,453	2,000–2,290
Active	SETTLES, W. R. #37W	42-227-00658	CITATION OIL & GAS CORP	Injection	2,000	387,104	2,079–2,504
Active	SENZA #2	42-227-30129	SELECT WATER SOLUTIONS, LLC	Disposal	20,000	384,166	3,200–5,300
Active	ROBERTS, DORA -BDE- #320W	42-227-30579	BASA RES, INC	Injection	1,400	383,588	2,332–2,875
Active	SETTLES, W. R. -A- #49W	42-227-00680	CITATION OIL & GAS CORP	Injection	4,000	381,277	2,104–2,486
Active	ROBERTS, DORA #31W	42-227-31084	CITATION OIL & GAS CORP	Injection	4,000	377,301	2,300–2,580
Active	WARDER #46W	42-227-37516	BASA RES, INC	Injection	5,000	375,066	2,300–3,400
Active	CHALK, G. O.-A- #21L	42-227-37852	CITATION OIL & GAS CORP	Injection	4,000	374,765	3,007–3,928
Active	DOUTHIT #47	42-227-34582	CITATION OIL & GAS CORP	Injection	1,500	372,850	1,400–3,300
Active	CHALK,MARY #67W	42-227-33873	CITATION OIL & GAS CORP	Injection	4,000	364,507	2,171–3,123
Active	LLOYD SWD #2	42-227-35046	NEW HEIGHT ENERGY, LLC	Injection	8,000	361,694	2,714–3,122
Active	ROBERTS, DORA -BDE- #296U	42-227-35118	BASA RES, INC	Injection	3,000	360,526	2,000–3,000
Active	DOUTHIT #34W	42-227-30334	CITATION OIL & GAS CORP	Injection	800	359,956	1,400–3,300
Active	SETTLES, W. R. -A- #113W	42-227-31684	CITATION OIL & GAS CORP	Injection	2,000	358,367	2,311–2,668
Active	CHALK, G.O.-E- #5 W	42-227-02519	CITATION OIL & GAS CORP	Injection	6,000	356,850	1,476–1,808
Active	REED -A- #24	42-227-34670	CITATION OIL & GAS CORP	Injection	3,000	356,692	2,800–3,260
Active	KLOH #45L	42-227-35284	GRAYROCK ENERGY II, LLC	Injection	1,500	356,350	2,340–2,600
Active	CHALK, G. O. -D- #14A	42-227-34323	CITATION OIL & GAS CORP	Injection	2,000	354,420	2,100–3,062
Active	ROBERTS, DORA -BDE- #297L	42-227-35119	BASA RES, INC	Injection	1,500	352,302	2,000–3,000
Active	CHALK,MARY #83	42-227-36457	CITATION OIL & GAS CORP	Injection	2,000	348,206	2,600–4,122
Active	ROBERTS, DORA #43L	42-227-35113	BASA RES, INC	Injection	1,500	345,337	2,000–2,560
Active	HYMAN, SARAH #50W	42-227-34281	CITATION OIL & GAS CORP	Injection	2,000	338,742	1,997–3,050
Active	CHALK, G. O. -D- #17 W	42-227-30270	CITATION OIL & GAS CORP	Injection	3,000	336,932	2,806–3,830
Active	ROBERTS, DORA -BDE- #454W	42-227-30547	BASA RES, INC	Injection	5,000	335,605	2,300–2,900
Active	ROBERTS, DORA -A- #22RW	42-227-37495	BASA RES, INC	Injection	5,000	332,870	2,300–3,400
Active	CHALK #2UW	42-227-02536	EXTEX OPER CO	Injection	1,500	332,532	2,100–2,992
Active	REED -A- #18W	42-227-34455	CITATION OIL & GAS CORP	Injection	3,000	332,129	2,800–3,302
Active	OVATION GUITAR SWD #1D	42-227-38508	OXYROCK OPER, LLC	Disposal	15,000	330,594	3,280–3,960
Active	HYMAN, SARAH #46W	42-227-34277	CITATION OIL & GAS CORP	Injection	4,000	322,554	1,316–2,490
Active	CHALK, G. O.-A- #9	42-227-10054	CITATION OIL & GAS CORP	Injection	4,000	322,149	1,750–2,969
Active	CHALK, G. O. -C- #23W	42-227-32184	CITATION OIL & GAS CORP	Injection	3,000	321,892	2,208–3,190
Active	KLOH -A- #11U	42-227-34382	BASA RES, INC	Injection	5,000	319,379	2,100–2,500
Active	HYMAN, SARAH #48W	42-227-34279	CITATION OIL & GAS CORP	Injection	4,000	312,876	1,396–2,430
Active	CHALK, G. O. -D- #26 W	42-227-34441	CITATION OIL & GAS CORP	Injection	2,000	307,839	2,010–3,300
Active	CHALK, G. O. #1 W	42-227-30060	GRAYROCK ENERGY II, LLC	Injection	2,000	305,974	1,506–2,909
Active	DAVIS, EMMA F ESTATE -A- #1	42-227-32046	BASA RES, INC	Injection	10,000	300,401	4,400–7,508
Active	SETTLES, W. R. #23L	42-227-34978	BASA RES, INC	Injection	3,000	291,725	2,000–3,000
Active	ROBERTS, DORA -BDE- #4105L	42-227-34765	BASA RES, INC	Injection	2,000	290,230	2,000–3,000
Active	OVERTON, B. #32	42-227-31072	CITATION OIL & GAS CORP	Injection	5,000	288,999	2,092–2,488
Active	OWEN-CHALK #46W	42-227-34081	CITATION OIL & GAS CORP	Injection	2,000	287,161	2,048–2,400
Active	GRIFFIN SWD #1H	42-227-41788	HIGHPEAK ENGY HOLDINGS, LLC	Injection	30,000	284,701	7,763–8,390
Active	CHALK, G. O. #25W	42-227-30338	GRAYROCK ENERGY II, LLC	Injection	2,500	283,645	2,900–3,719
Active	CHALK, G.O.-B- #12	42-227-30283	CITATION OIL & GAS CORP	Injection	4,000	280,578	2,600–3,900
Active	SETTLES, W. R. #39W	42-227-00663	CITATION OIL & GAS CORP	Injection	1,000	272,198	2,341–2,515
Active	CHALK, G. O. -C- #21	42-227-30333	CITATION OIL & GAS CORP	Injection	2,000	269,063	1,950–3,250
Active	CHALK, G. O. -C- #40L	42-227-38548	CITATION OIL & GAS CORP	Injection	4,000	266,238	3,150–4,300
Active	CHALK, G. O. -C- #24	42-227-32183	CITATION OIL & GAS CORP	Injection	1,350	265,616	2,253–3,062
Active	CHALK, G. O. -D- #22W	42-227-34319	CITATION OIL & GAS CORP	Injection	2,000	264,437	2,130–3,110
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #121RW	42-227-36283	BASA RES, INC	Injection	5,000	259,973	2,000–2,700
Active	ROBERTS, DORA -BDE- #4106U	42-227-34766	BASA RES, INC	Injection	3,000	259,611	2,000–3,000
Active	SOUTHEAST LUTHER/FUSSELMAN/ UNIT #801WI	42-227-35935	TREK RES, INC	Injection	2,500	257,443	9,951–9,992
Active	ROBERTS, DORA -BDE- #290U	42-227-34982	BASA RES, INC	Injection	3,000	256,731	2,000–3,000
Active	READ 33 SWD #1	42-227-39525	PALADIN PETRO III, L.L.C	Disposal	10,000	256,643	3,000–4,320
Active	CHALK, OTIS #14W	42-227-02709	UNITEX OIL & GAS, L.L.C	Injection	1,000	255,718	2,000–2,400
Active	TINDOL 19 #1 D	42-227-36259	BAYSWATER OPER CO LLC	Injection	15,000	254,025	3,300–5,020
Active	CHALK, G. O.-G- #37	42-227-33078	CITATION OIL & GAS CORP	Injection	2,000	253,665	2,562–3,100
Active	ROBERTS, DORA -BDE- #287L	42-227-34768	BASA RES, INC	Injection	2,000	248,555	2,000–3,000
Active	SETTLES, W. R. #19C	42-227-33376	CITATION OIL & GAS CORP	Injection	600	247,606	2,200–2,600
Active	ROBERTS, DORA -A- #26L	42-227-35283	BASA RES, INC	Injection	5,000	247,504	2,000–3,000
Active	CHALK, G. O. -C- #5BW	42-227-10312	CITATION OIL & GAS CORP	Injection	1,350	244,954	1,950–3,300
Active	CHALK, G. O.-G- #51W	42-227-34272	CITATION OIL & GAS CORP	Injection	2,000	238,882	2,000–2,300
Active	ROBERTS, DORA #39 W	42-227-34484	CITATION OIL & GAS CORP	Injection	2,000	235,999	1,300–1,475
Active	CHALK, G. O. #13W	42-227-10975	GRAYROCK ENERGY II, LLC	Injection	2,000	234,820	2,084–2,198
Active	T. L. & M. -B- #16	42-227-35879	NEW HEIGHT ENERGY, LLC	Injection	2,500	234,054	2,790–2,912
Active	CHALK, G. O. -C- #25	42-227-32185	CITATION OIL & GAS CORP	Injection	1,350	233,787	1,950–3,250
Active	SETTLES, W. R. -A- #4W	42-227-00925	WASH, ROBERT C. INC	Injection	685	233,460	1,265–1,310
Active	SOUTHEAST LUTHER/FUSSELMAN/ UNIT #2103W	42-227-32633	TREK RES, INC	Injection	1,500	229,564	9,832–9,884
Active	CHALK, G. O.-G- #21W	42-227-10710	CITATION OIL & GAS CORP	Injection	2,000	228,646	1,987–2,160
Active	ROBERTS, DORA #55W	42-227-37471	BASA RES, INC	Injection	5,000	227,380	2,300–3,400
Active	KLOH #33U	42-227-34109	GRAYROCK ENERGY II, LLC	Injection	1,500	224,133	2,000–2,600
Active	DOUTHIT, E. W. DE #11W	42-227-30426	GRAYROCK ENERGY II, LLC	Injection	2,000	210,560	2,751–3,100
Active	EDWARDS, M. M. #58	42-227-31629	NEW HEIGHT ENERGY, LLC	Injection	1,000	209,036	2,515–2,667
Active	DOUTHIT #32	42-227-30203	CITATION OIL & GAS CORP	Injection	800	205,712	1,400–3,300
Active	HYMAN, SARAH #40W	42-227-34106	CITATION OIL & GAS CORP	Injection	5,000	204,255	2,050–2,450
Active	OWEN-CHALK #39W	42-227-32993	CITATION OIL & GAS CORP	Injection	2,000	203,241	2,600–3,100
Active	SETTLES, W. R. -A- #76	42-227-30836	CITATION OIL & GAS CORP	Injection	1,500	203,236	2,094–2,512
Active	ROBERTS, DORA #33L	42-227-34813	BASA RES, INC	Injection	1,500	202,162	2,600–3,000
Active	CHALK, G.O.-E- #25 W	42-227-34330	CITATION OIL & GAS CORP	Injection	4,000	200,810	1,478–1,946
Active	ROBERTS, DORA -BDE- #260W	42-227-30546	BASA RES, INC	Injection	1,400	199,016	2,345–2,680
Active	REED. L. R & W. N. #2	42-227-00171	GRAYROCK ENERGY II, LLC	Injection	800	197,351	2,167–3,300
Active	CHALK, G. O. -D- #12A	42-227-34329	CITATION OIL & GAS CORP	Injection	1,000	195,700	2,252–3,079
Active	WALDRON, S. #7W	42-227-33062	AMERICO ENGY RES, LLC	Injection	3,000	193,532	10,100–10,167
Active	ROBERTS, DORA -A- #24W	42-227-35282	BASA RES, INC	Injection	5,000	192,406	2,000–3,000
Active	ALLAR #1D	42-227-34940	DEEP BLUE OPER I LLC	Disposal	6,000	191,050	3,460–6,500
Active	OVERTON, B. #43 W	42-227-36486	CITATION OIL & GAS CORP	Injection	5,000	190,472	2,000–2,650
Active	RAY, DOIS #1	42-227-34579	P4 OPER, LLC	Injection	25,000	190,375	3,104–3,230
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #132RW	42-227-36289	BASA RES, INC	Injection	5,000	187,803	2,000–2,700
Active	SETTLES, W. R. #21U	42-227-34980	BASA RES, INC	Injection	3,000	186,158	2,000–3,000
Active	COOPER #4W	42-227-02794	SWEET CRUDE OPERATING LLC	Injection	1,000	186,109	2,640–2,960
Active	KLOH #34U	42-227-34226	GRAYROCK ENERGY II, LLC	Injection	1,500	185,849	2,000–2,275

page 3 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.