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	FOSTER, W. L. #1 #98W	42-227-34011	BCE-MACH III LLC	Injection	700	182,754	2,400–2,950
Active	ROBERTS, DORA #44W	42-227-34486	CITATION OIL & GAS CORP	Injection	3,500	182,173	1,366–1,917
Active	IDEN #1	42-227-35640	P4 OPER, LLC	Disposal	30,000	181,925	10,100–10,500
Active	DAVIS, J. W. -B- #14	42-227-35172	GRAYROCK ENERGY II, LLC	Injection	1,000	181,535	2,350–2,900
Active	ROBERTS, DORA #32W	42-227-34770	BASA RES, INC	Injection	2,000	177,242	2,000–3,000
Active	EDWARDS, M. M. #5WI	42-227-35027	NEW HEIGHT ENERGY, LLC	Injection	1,000	176,999	2,559–2,721
Active	ROBERTS, DORA #45W	42-227-35115	BASA RES, INC	Injection	3,000	176,901	2,000–3,000
Active	WOULD HAVE EAST SIDE UNIT #1602	42-227-35755	APEX RESOURCES LLC	Injection	2,000	175,913	5,606–5,620
Active	DODGE ESTATE #2W	42-227-30030	BASA RES, INC	Injection	800	175,050	2,393–2,737
Active	WOULD HAVE EAST SIDE UNIT #1611	42-227-35780	APEX RESOURCES LLC	Injection	2,000	172,030	5,504–5,610
Active	OVERTON, B. #37	42-227-34386	CITATION OIL & GAS CORP	Injection	5,000	171,687	2,000–2,525
Active	SETTLES, W. R. #58W	42-227-31026	GRAYROCK ENERGY II, LLC	Injection	1,500	170,158	2,100–2,500
Active	CHALK,MARY #71	42-227-34102	CITATION OIL & GAS CORP	Injection	2,000	167,623	1,350–2,227
Active	ROBERTS, DORA -BDE- #342W	42-227-34984	BASA RES, INC	Injection	3,000	167,068	2,000–3,000
Active	CHALK, SLOAN #22W	42-227-33894	CITATION OIL & GAS CORP	Injection	2,000	164,324	2,000–3,200
Active	CHALK, G. O.-G- #50W	42-227-34271	CITATION OIL & GAS CORP	Injection	2,000	163,686	2,000–2,300
Active	SLOAN CHALK #17W	42-227-30346	GRAYROCK ENERGY II, LLC	Injection	1,600	161,076	1,494–3,000
Active	WILKINSON RANCH SOUTH SWD #1	42-227-37718	OXYROCK OPER, LLC	Injection	5,000	158,824	3,200–4,200
Active	BELL, A. M. #66W	42-227-36177	BCE-MACH III LLC	Injection	1,500	157,371	1,900–3,500
Active	DODGE, GRANVILLE M., EST. #141W	42-227-30465	GRAYROCK ENERGY II, LLC	Injection	1,000	155,756	2,100–2,900
Active	SOUTHEAST LUTHER/FUSSELMAN/ UNIT #1001W	42-227-03675	TREK RES, INC	Injection	2,000	155,352	9,892–9,922
Active	EDWARDS, M. M. #17WI	42-227-35021	NEW HEIGHT ENERGY, LLC	Injection	1,000	154,810	2,495–2,800
Active	OVERTON, B. #2	42-227-00420	CITATION OIL & GAS CORP	Injection	5,000	153,692	2,120–2,413
Active	OVERTON, B. #36W	42-227-34221	CITATION OIL & GAS CORP	Injection	5,000	153,664	2,000–2,500
Active	CHALK, G.O.-E- #29	42-227-34439	CITATION OIL & GAS CORP	Injection	6,000	153,440	2,010–3,300
Active	EAST VEALMOOR DISPOSL UNIT NO.1 #1D	42-227-34926	SURGE OPER, LLC	Injection	15,000	151,331	7,600–9,200
Active	CHALK, G.O.-E- #13W	42-227-10077	CITATION OIL & GAS CORP	Injection	500	149,613	1,425–1,683
Active	DODGE, GRANVILLE M., EST. #224W	42-227-33735	GRAYROCK ENERGY II, LLC	Injection	400	147,026	2,418–2,770
Active	CHALK #3UW	42-227-02543	EXTEX OPER CO	Injection	1,500	146,864	2,100–3,015
Active	REED BROTHERS DE #203	42-227-34562	GRAYROCK ENERGY II, LLC	Injection	2,000	146,716	1,500–3,300
Active	CHALK, G. O. #26	42-227-33401	CITATION OIL & GAS CORP	Injection	1,600	146,636	1,800–3,050
Active	OVERTON, B. #28	42-227-30833	CITATION OIL & GAS CORP	Injection	5,000	146,230	1,146–2,490
Active	OVERTON, B. #19W	42-227-00394	CITATION OIL & GAS CORP	Injection	5,000	145,469	2,136–2,364
Active	DENMAN, L. C. #16W	42-227-35342	SHENANDOAH PETRO CORP	Injection	1,000	145,397	2,400–2,900
Active	DENMAN /CLARK/ #5W	42-227-33129	GRAYROCK ENERGY II, LLC	Injection	600	145,132	1,850–2,900
Active	CHALK, G. O. -D- #15A	42-227-34436	CITATION OIL & GAS CORP	Injection	1,500	145,080	2,010–3,300
Active	DODGE, GRANVILLE M., EST. #222W	42-227-33702	GRAYROCK ENERGY II, LLC	Injection	400	144,321	2,300–2,950
Active	HUGHES #1D	42-227-39281	DEEP BLUE OPER I LLC	Injection	30,000	142,997	10,000–12,200
Active	MCDONNELL #1D	42-227-10038	AUTUMN ENERGY OPERATING	Disposal	3,000	141,214	2,418–5,990
Active	DODGE, GRANVILLE M., EST. #223	42-227-33671	GRAYROCK ENERGY II, LLC	Injection	450	141,188	2,440–2,776
Active	SETTLES WEST #8D	42-227-81853	RCW OIL, LLC	Disposal	3,000	136,804	2,900–3,000
Active	CHALK #8	42-227-10558	GTG OPER, LLC	Injection	1,200	135,758	2,320–2,390
Active	EDWARDS, M. M. #6WI	42-227-35011	NEW HEIGHT ENERGY, LLC	Injection	1,000	135,585	2,495–2,800
Active	DODGE, G. M. #4W	42-227-00309	BCE-MACH III LLC	Injection	800	135,565	2,403–2,828
Active	DOUTHIT, E. W. DE #202	42-227-34632	GRAYROCK ENERGY II, LLC	Injection	2,000	133,820	2,750–3,150
Active	SETTLES, W. R. #57W	42-227-31002	GRAYROCK ENERGY II, LLC	Injection	1,500	133,762	2,100–2,500
Active	DODGE, GRANVILLE M., EST. #149W	42-227-30888	GRAYROCK ENERGY II, LLC	Injection	400	133,111	2,396–2,803
Active	CHALK, G.O.-E- #22W	42-227-33026	CITATION OIL & GAS CORP	Injection	3,000	132,672	2,149–3,850
Active	THE FARM SWD #3	42-227-39642	PETRO WASTE ENVIRONMENTAL LP	Disposal	20,000	131,181	3,696–5,600
Active	DODGE, GRANVILLE M., EST. #171W	42-227-31016	GRAYROCK ENERGY II, LLC	Injection	400	130,202	2,300–2,950
Active	CHALK #4W	42-227-02540	EXTEX OPER CO	Injection	1,500	129,603	2,100–3,040
Active	SETTLES, W.R. -B- TT #2	42-227-00929	WASH, ROBERT C. INC	Injection	600	129,210	1,200–1,290
Active	DODGE, GRANVILLE M., EST. #218	42-227-33685	GRAYROCK ENERGY II, LLC	Injection	450	127,195	2,439–2,772
Active	REED -B- #13	42-227-10925	CITATION OIL & GAS CORP	Injection	1,500	127,037	1,510–3,500
Active	SOUTHEAST LUTHER/FUSSELMAN/ UNIT #601	42-227-03663	TREK RES, INC	Injection	1,500	126,008	9,874–9,927
Active	DODGE, GRANVILLE M., EST. #130W	42-227-30302	GRAYROCK ENERGY II, LLC	Injection	1,000	125,936	2,100–2,900
Active	DODGE, GRANVILLE M., EST. #277	42-227-40180	GRAYROCK ENERGY II, LLC	Injection	1,000	122,705	2,300–3,000
Active	BELL, A. M. #67W	42-227-36179	BCE-MACH III LLC	Injection	1,500	122,306	2,400–3,500
Active	BELL, A. M. #69 W	42-227-36184	BCE-MACH III LLC	Injection	1,500	122,014	2,400–3,500
Active	BOA 12 #2	42-227-37001	TRILOGY OPER, INC	Disposal	10,000	121,890	4,200–5,700
Active	ROBERTS, DORA #18W	42-227-02076	CITATION OIL & GAS CORP	Injection	600	120,701	2,288–2,416
Active	DAVIS, J. W. -B- #12	42-227-35171	GRAYROCK ENERGY II, LLC	Injection	500	120,536	2,200–3,000
Active	OVERTON, B. #13W	42-227-00405	CITATION OIL & GAS CORP	Injection	5,000	120,167	2,000–2,449
Active	ALLRED SWD #1	42-227-31166	P4 OPER, LLC	Disposal	5,000	119,947	3,749–5,641
Active	CHALK #6W	42-227-10556	GTG OPER, LLC	Injection	400	119,607	2,206–3,200
Active	DODGE, G. M. #47W	42-227-31893	BCE-MACH III LLC	Injection	1,500	118,836	2,594–2,856
Active	DODGE, GRANVILLE M., EST. #203W	42-227-31454	GRAYROCK ENERGY II, LLC	Injection	400	118,820	2,300–2,950
Active	MURRAY B #9W	42-227-31113	BCE-MACH III LLC	Injection	1,500	116,603	2,300–2,900
Active	MURRAY B #8W	42-227-30998	BCE-MACH III LLC	Injection	1,000	114,788	2,300–2,900
Active	DODGE, G. M. #29W	42-227-03181	BCE-MACH III LLC	Injection	800	113,348	2,520–2,822
Active	SNYDER, D. H. #2896W	42-227-35547	GRAYROCK ENERGY II, LLC	Injection	400	113,282	2,550–3,050
Active	FOSTER, W. L. #1 #4W	42-227-04336	BCE-MACH III LLC	Injection	800	112,728	2,555–2,900
Active	DODGE, GRANVILLE M., EST. #140W	42-227-30466	GRAYROCK ENERGY II, LLC	Injection	1,000	111,141	2,100–2,900
Active	DODGE, GRANVILLE M., EST. #192W	42-227-31159	GRAYROCK ENERGY II, LLC	Injection	400	111,112	2,300–2,950
Active	BELL, A. M. #47W	42-227-32085	BCE-MACH III LLC	Injection	1,000	110,518	2,400–2,950
Active	DODGE, GRANVILLE M., EST. #208W	42-227-33681	GRAYROCK ENERGY II, LLC	Injection	400	109,292	2,455–2,734
Active	TXL, B. S. -D- #3313W	42-227-35525	GRAYROCK ENERGY II, LLC	Injection	800	107,652	2,550–3,050
Active	DODGE, GRANVILLE M., EST. #131W	42-227-30305	GRAYROCK ENERGY II, LLC	Injection	1,000	107,568	2,100–2,902
Active	SNYDER, B. S. -E- #72	42-227-36032	GRAYROCK ENERGY II, LLC	Injection	1,000	106,485	2,500–3,700
Active	MURRAY B #11W	42-227-36541	BCE-MACH III LLC	Injection	1,500	106,307	2,300–4,000
Active	DODGE, G. M. #22W	42-227-03177	BCE-MACH III LLC	Injection	1,000	105,869	2,400–2,900
Active	WOULD HAVE EAST SIDE UNIT #1708	42-227-35811	APEX RESOURCES LLC	Injection	2,000	104,486	5,480–5,590
Active	BELL, A. M. #28W	42-227-31221	BCE-MACH III LLC	Injection	800	103,240	2,400–2,900
Active	DOUTHIT, E. W. DE #104W	42-227-00958	GRAYROCK ENERGY II, LLC	Injection	1,500	101,176	1,374–2,254
Active	DODGE, GRANVILLE M., EST. #132W	42-227-30304	GRAYROCK ENERGY II, LLC	Injection	1,000	100,745	2,100–2,900
Active	BELL, A. M. #9W	42-227-03491	BCE-MACH III LLC	Injection	1,000	100,535	2,397–2,800
Active	DODGE, G. M. #96W	42-227-35949	BCE-MACH III LLC	Injection	1,500	99,243	2,400–2,895
Active	DODGE, GRANVILLE M., EST. #186W	42-227-31091	GRAYROCK ENERGY II, LLC	Injection	1,000	97,948	2,345–2,870
Active	OTIS, JOHN #4 D	42-227-33905	EXTEX OPER CO	Injection	0	97,310	1,230
Active	CHALK, OTIS #L 11WR	42-227-34778	UNITEX OIL & GAS, L.L.C	Injection	1,000	97,084	2,000–3,100
Active	CHALK ESTATE #23W	42-227-34053	CITATION OIL & GAS CORP	Injection	4,000	97,000	2,500–2,924
Active	DOUTHIT, E. W. -C- DE #14	42-227-34154	GRAYROCK ENERGY II, LLC	Injection	1,200	96,793	1,300–3,200
Active	TEX. LAND&MORTGAGE CO.-A-R/A-B- #44W	42-227-31762	BASA RES, INC	Injection	1,000	96,685	2,450–2,900
Active	SOUTHEAST LUTHER/FUSSELMAN/ UNIT #502WI	42-227-35936	TREK RES, INC	Injection	2,500	96,442	9,897–9,992
Active	DODGE, GRANVILLE M., EST. #172W	42-227-31017	GRAYROCK ENERGY II, LLC	Injection	400	96,269	2,300–2,950
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #110W	42-227-31983	BASA RES, INC	Injection	1,000	95,129	2,450–2,935
Active	ANDERSON -A- #1D	42-227-02557	SEELY OIL CO	Disposal	5,000	94,510	3,695–3,850
Active	ROBERTS, DORA -BDE- #2101W	42-227-37502	BASA RES, INC	Injection	5,000	93,573	2,300–3,300
Active	BELL, A. M. #61W	42-227-36176	BCE-MACH III LLC	Injection	1,500	92,555	2,400–3,500
Active	DODGE, GRANVILLE M., EST. #121W	42-227-10232	GRAYROCK ENERGY II, LLC	Injection	400	91,477	2,426–2,747

page 4 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.