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	JONES, PERCY #39W	42-227-32371	WINN OPER, LLC	Injection	2,000	9,120	2,273–2,802
Active	GOLDEN BEND 34 #3	42-227-00103	CROSS CUT PETROLEUM, LLC	Disposal	1,500	9,053	3,420–3,854
Active	HATCH #1BD	42-227-32669	FREE REIN OPERATING LLC	Injection	100	8,879	3,190–3,214
Active	BELLAM #11	42-227-31531	NEW HEIGHT ENERGY, LLC	UIC	600	8,842	2,300–2,800
Active	SNYDER, SUSIE B. #2052W	42-227-35400	GRAYROCK ENERGY II, LLC	Injection	800	8,624	2,500–3,000
Active	SNYDER, SUSIE B. #2019W	42-227-35415	GRAYROCK ENERGY II, LLC	Injection	800	8,226	2,500–3,000
Active	SNYDER, SUSIE B. #2069W	42-227-35619	GRAYROCK ENERGY II, LLC	Injection	800	8,122	2,500–3,000
Active	QUINN #1	42-227-32706	FREE REIN OPERATING LLC	Injection	200	7,757	3,190–3,313
Active	HOOKS, A. J. #1	42-227-10282	BOYD & MCWILLIAMS ENGY GROUP	Injection	700	7,577	1,568–2,446
Active	STEWART, G. C. -B- #11D	42-227-33941	14START LLC	Injection	800	7,492	2,200–2,600
Active	ROBERTS, DORA #135W	42-227-35353	APC OPER PARTNERSHIP	Injection	5,000	6,126	2,000–3,010
Active	DENMAN -H- #2W	42-227-32274	UNITED OIL & SHALE LLC	Injection	500	5,283	2,428–2,866
Active	CLAY, H. R.-E- #72WI	42-227-36155	LANDMARK IP, LLC	Injection	1,000	5,200	2,000–2,600
Active	ODANIEL #6	42-227-20401	SKEETER OIL L.L.C.	Injection	1,000	4,963	2,500–2,698
Active	DODGE, G. M. #40W	42-227-31517	BCE-MACH III LLC	Injection	800	4,699	2,400–2,900
Active	CLAY, H. R. #59W	42-227-34371	GRAYROCK ENERGY II, LLC	Injection	1,000	4,618	2,200–3,350
Active	CLAY, H. R.-E- #75WI	42-227-36163	LANDMARK IP, LLC	Injection	1,000	4,600	2,000–2,600
Active	CLAY, H. R. #60W	42-227-34372	GRAYROCK ENERGY II, LLC	Injection	1,000	4,414	2,200–3,350
Active	CLAY, H. R.-E- #76WI	42-227-36157	LANDMARK IP, LLC	Injection	1,000	4,400	2,000–2,600
Active	CLAY, H. R.-E- #77WI	42-227-36162	LANDMARK IP, LLC	Injection	1,000	4,000	2,000–2,600
Active	BELL, A. M. #26RW	42-227-31208	BCE-MACH III LLC	Injection	1,000	3,459	2,400–2,900
Active	DAVIS, JOHN W. #9W	42-227-31744	BASA RES, INC	Injection	1,000	3,340	1,450–2,800
Active	CLAY, H. R. #63W	42-227-34467	GRAYROCK ENERGY II, LLC	Injection	1,000	3,106	2,250–3,320
Active	GUITAR CONSOLIDATED #1405	42-227-35808	APEX RESOURCES LLC	Injection	2,000	2,587	5,680–5,702
Active	TEX. LAND&MORTGAGE CO.-A-R/A-B- #69W	42-227-31752	BASA RES, INC	Injection	1,000	2,368	2,450–2,850
Active	TEX. LAND&MORTGAGE CO.-A-R/A-B- #40W	42-227-31182	BASA RES, INC	Injection	1,000	2,368	2,500–2,900
Active	SNYDER -B- #21W	42-227-35264	UNITED OIL & SHALE LLC	Injection	800	2,365	2,428–3,214
Active	REED -A- #17W	42-227-34456	CITATION OIL & GAS CORP	Injection	1,700	2,210	2,355–3,250
Active	CLAY, H. R. #57W	42-227-34369	GRAYROCK ENERGY II, LLC	Injection	1,000	2,004	2,200–3,350
Active	SNYDER -B- #17W	42-227-35262	UNITED OIL & SHALE LLC	Injection	800	1,993	2,428–3,214
Active	ROBERTS, DORA #131W	42-227-35350	APC OPER PARTNERSHIP	Injection	5,000	1,779	2,000–3,010
Active	DAVIS, J. W. -B- #11W	42-227-30634	GRAYROCK ENERGY II, LLC	Injection	400	1,695	2,392–2,761
Active	WEST MOORE UNIT #72WI	42-227-04165	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,366	3,216–3,265
Active	W. M. IDEN #18WI	42-227-00752	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,360	3,140–3,206
Active	W. M. IDEN #1W	42-227-10803	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,354	3,125–3,150
Active	WEST MOORE UNIT #70WI	42-227-04383	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,354	3,184–3,217
Active	WEST MOORE UNIT #118WI	42-227-01643	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,342	3,146–3,198
Active	W. M. IDEN #10WI	42-227-02507	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,330	3,120–3,250
Active	W. M. IDEN #24WI	42-227-01791	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,324	3,121–3,180
Active	W. M. IDEN #13W	42-227-01793	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,306	3,117–3,185
Active	W. M. IDEN #16WI	42-227-01024	JOHNSON OPERATING COMPANY, LLC.	Injection	400	1,288	3,180–3,240
Active	ROBERTS, DORA #134W	42-227-35354	APC OPER PARTNERSHIP	Injection	5,000	1,269	2,000–3,010
Active	READ, W. R. -B- #1W	42-227-00849	SWEET CRUDE OPERATING LLC	UIC	500	620	2,607–3,000
Active	TEXAS LAND & MORTGAGE CO. #67W	42-227-31478	O'RYAN OIL AND GAS	Injection	250	546	2,548–2,718
Active	COAHOMA LPG STRG. AREA #1D	42-227-81936	ONEOK NGL PIPELINE, L.L.C	Disposal	5,000	535	2,656–3,514
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #192W	42-227-37063	BASA RES, INC	Injection	7,000	532	2,000–2,700
Active	T. X. L. -D- #28	42-227-01421	UNITED OIL & SHALE LLC	Disposal	700	528	2,650–2,900
Active	CLAY, H. R.-E- #70WI	42-227-36168	LANDMARK IP, LLC	Injection	1,000	500	2,000–2,600
Active	TEXAS LAND & MORTGAGE CO. #72W	42-227-32130	O'RYAN OIL AND GAS	Injection	250	497	2,512–2,629
Active	CLAY, H. R.-E- #78WI	42-227-36158	LANDMARK IP, LLC	Injection	1,000	445	2,000–2,600
Active	GASKIN, J. D. ET AL #2A	42-227-33016	JOHNSON OPERATING COMPANY, LLC.	Injection	20,000	386	3,450–4,650
Active	ECHOLS, CORA LEE, MRS., -A- #38W	42-227-31805	BASA RES, INC	Injection	1,000	364	2,450–2,800
Active	CLAY, H. R. #41W	42-227-33028	GRAYROCK ENERGY II, LLC	Injection	1,000	332	2,240–3,187
Active	CLAY, H. R.-E- #9W	42-227-00488	LANDMARK IP, LLC	UIC	800	300	2,112–2,570
Active	TEXAS LAND & MORTGAGE CO. #48W	42-227-20305	O'RYAN OIL AND GAS	Injection	250	300	2,504–2,646
Active	TEXAS LAND & MORTGAGE CO. #56W	42-227-30853	O'RYAN OIL AND GAS	Injection	250	280	2,518–2,648
Active	ROBERTS, DORA -BDE- #289L	42-227-34987	BASA RES, INC	Injection	3,000	244	2,000–3,000
Active	TEXAS LAND & MORTGAGE CO. #89W	42-227-32168	O'RYAN OIL AND GAS	Injection	250	244	2,587–2,715
Active	ROBERTS, DORA -BDE- #462L	42-227-30701	BASA RES, INC	Injection	1,500	242	2,582–2,904
Active	ROBERTS, DORA -BDE- #271W	42-227-30750	BASA RES, INC	Injection	5,000	239	2,376–2,718
Active	ROBERTS, DORA -BDE- #341L	42-227-34983	BASA RES, INC	Injection	3,000	239	2,000–3,000
Active	ROBERTS, DORA #46L	42-227-35116	BASA RES, INC	Injection	1,500	239	2,545–3,000
Active	ROBERTS, DORA -BDE- #4108W	42-227-34959	BASA RES, INC	Injection	6,000	238	2,000–3,000
Active	ROBERTS, DORA -BDE- #4117L	42-227-35122	BASA RES, INC	Injection	1,500	238	2,522–3,000
Active	WARDER #42W	42-227-34957	BASA RES, INC	Injection	3,000	235	2,000–3,000
Active	WARDER #40	42-227-34678	BASA RES, INC	Injection	5,000	234	2,300–2,910
Active	WARDER #43L	42-227-34993	BASA RES, INC	Injection	3,000	234	2,000–3,000
Active	WARDER #41L	42-227-34762	BASA RES, INC	Injection	2,000	234	2,000–3,000
Active	CLAY, H. R.-E- #3W	42-227-00499	LANDMARK IP, LLC	UIC	600	220	1,684–1,848
Active	TEXAS LAND & MORTGAGE CO. #53W	42-227-30666	O'RYAN OIL AND GAS	Injection	250	220	2,522–2,644
Active	CLAY #52W	42-227-35649	GRAYROCK ENERGY II, LLC	Injection	1,000	204	2,200–3,300
Active	CLAY, H. R.-E- #32W	42-227-10101	LANDMARK IP, LLC	Injection	900	190	1,478–3,052
Active	CLAY, H. R.-E- #25W	42-227-00502	LANDMARK IP, LLC	UIC	800	180	2,342–2,412
Active	CLAY, H. R.-A- #41W	42-227-30098	LANDMARK IP, LLC	UIC	800	175	2,228–2,507
Active	TEXAS LAND & MORTGAGE CO. #62W	42-227-31036	O'RYAN OIL AND GAS	Injection	250	160	2,518–2,636
Active	TEXAS LAND & MORTGAGE CO. #82W	42-227-32174	O'RYAN OIL AND GAS	Injection	250	158	2,560–2,674
Active	TEXAS LAND & MORTGAGE CO. #88W	42-227-32167	O'RYAN OIL AND GAS	Injection	250	156	2,757–2,796
Active	GLASSCOCK, HOWARD W. (G-S) UNIT #174W	42-227-36300	BASA RES, INC	Injection	5,000	152	2,000–2,700
Active	TEXAS LAND & MORTGAGE CO. #84W	42-227-32172	O'RYAN OIL AND GAS	Injection	250	146	2,550–2,684
Active	TEXAS LAND & MORTGAGE CO. #78W	42-227-32146	O'RYAN OIL AND GAS	Injection	250	134	2,528–2,658
Active	CLAY, H. R.-A- #2W	42-227-00501	LANDMARK IP, LLC	UIC	600	125	2,213–2,377
Active	TEXAS LAND & MORTGAGE CO. #85W	42-227-32171	O'RYAN OIL AND GAS	Injection	250	124	2,557–2,692
Active	TEXAS LAND & MORTGAGE CO. #91 W	42-227-32165	O'RYAN OIL AND GAS	Injection	250	114	2,638–2,762
Active	TEXAS LAND & MORTGAGE CO. #63W	42-227-31035	O'RYAN OIL AND GAS	Injection	1,100	112	2,536–2,660
Active	TEXAS LAND & MORTGAGE CO. #95W	42-227-32161	O'RYAN OIL AND GAS	Injection	250	110	2,714–2,792
Active	TEXAS LAND & MORTGAGE CO. #86W	42-227-32170	O'RYAN OIL AND GAS	Injection	250	92	2,654–2,688
Active	TEXAS LAND & MORTGAGE CO. #77W	42-227-32141	O'RYAN OIL AND GAS	Injection	250	92	2,620–2,710
Active	TEXAS LAND & MORTGAGE CO. #74W	42-227-32131	O'RYAN OIL AND GAS	Injection	250	92	2,521–2,637
Active	TEXAS LAND & MORTGAGE CO. #66W	42-227-31477	O'RYAN OIL AND GAS	Injection	250	90	2,583–2,738
Active	TEXAS LAND & MORTGAGE CO. #57W	42-227-30852	O'RYAN OIL AND GAS	Injection	250	90	2,524–2,654
Active	TEXAS LAND & MORTGAGE CO. #73W	42-227-32136	O'RYAN OIL AND GAS	Injection	250	88	2,502–2,630
Active	TEXAS LAND & MORTGAGE CO. #76W	42-227-32140	O'RYAN OIL AND GAS	Injection	250	86	2,545–2,676
Active	TEXAS LAND & MORTGAGE CO. #80W	42-227-32148	O'RYAN OIL AND GAS	Injection	250	78	2,620–2,684
Active	SNYDER, SUSIE B. #2035W	42-227-35411	GRAYROCK ENERGY II, LLC	Injection	800	33	2,500–3,000
Active	T. X. L. -E- #2	42-227-01377	UNITED OIL & SHALE LLC	Injection	700	30	2,575–2,880
Active	CHALK, G. O. -D- #13A	42-227-34322	CITATION OIL & GAS CORP	Injection	1,350	24	1,950–3,250
Active	SNYDER, SUSIE B. #2024W	42-227-35559	GRAYROCK ENERGY II, LLC	Injection	800	14	2,500–3,000
Active	CHALK, G. O. #20D	42-227-30294	CITATION OIL & GAS CORP	Disposal	50,000	--	3,940–5,700
Active	REED -B- #1D	42-227-38458	CITATION OIL & GAS CORP	Injection	50,000	--	4,241–6,540
Active	BLAGRAVE SWD 19 #1	42-227-39572	ADVANCE HYDROCARBON CORP	Injection	40,000	--	10,400–12,000

page 7 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.