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	SNYDER, B. S. -A- #2878W	42-227-35542	GRAYROCK ENERGY II, LLC	Injection	1,000	--	2,550–3,050
Active	ROBERTS, DORA #24	42-227-00063	APC OPER PARTNERSHIP	Injection	1,000	--	2,400–2,900
Active	CLAY, H. R. #58W	42-227-34370	GRAYROCK ENERGY II, LLC	Injection	1,000	--	2,200–3,350
Active	ECHOLS, CORA LEE, MRS., -B- #25W	42-227-31968	BASA RES, INC	Injection	1,000	--	2,478–3,021
Active	CLAY, H. R.-E- #27W	42-227-02160	LANDMARK IP, LLC	Injection	1,000	--	2,850–3,000
Active	CLAY, H. R. #61W	42-227-34373	GRAYROCK ENERGY II, LLC	Injection	1,000	--	2,200–3,350
Active	ROBERTS, DORA #130WU	42-227-35352	APC OPER PARTNERSHIP	Injection	1,000	--	2,000–2,496
Active	ROBERTS, DORA #130WL	42-227-35352	APC OPER PARTNERSHIP	Injection	1,000	--	2,400–3,000
Active	DODGE ESTATE #6W	42-227-31526	BASA RES, INC	Injection	1,000	--	2,400–2,800
Active	ROBERTS, DORA #133WU	42-227-35355	APC OPER PARTNERSHIP	Injection	1,000	--	2,000–2,400
Active	ROBERTS, DORA #133WL	42-227-35355	APC OPER PARTNERSHIP	Injection	1,000	--	2,400–3,000
Active	SNYDER, B. S. -E- #73	42-227-36033	GRAYROCK ENERGY II, LLC	Injection	1,000	--	2,500–3,700
Active	ECHOLS, CORA LEE, MRS., -B- #26W	42-227-31969	BASA RES, INC	Injection	1,000	--	2,517–2,910
Active	TEX. LAND&MORTGAGE CO.-A-R/A-B- #28W	42-227-10961	BASA RES, INC	Injection	1,000	--	2,500–2,800
Active	ROBERTS, DORA #42	42-227-35247	APC OPER PARTNERSHIP	Injection	1,000	--	2,300–2,600
Active	DOUTHIT A #4	42-227-30448	SOJOURNER DRLG. CORP	Injection	1,000	--	1,383–1,398
Active	ROBERTS, DORA #41	42-227-35246	APC OPER PARTNERSHIP	Injection	1,000	--	2,300–2,600
Active	DENMAN -C- #3W	42-227-10985	UNITED OIL & SHALE LLC	Injection	900	--	2,556–2,964
Active	DODGE #50W	42-227-34571	UNITED OIL & SHALE LLC	Injection	900	--	2,450–3,000
Active	DODGE #47W	42-227-34574	UNITED OIL & SHALE LLC	Injection	900	--	2,450–3,000
Active	DODGE #45W	42-227-34576	UNITED OIL & SHALE LLC	Injection	900	--	2,450–3,000
Active	READ, H. N. -F- #2D	42-227-30100	BAYSWATER OPER CO LLC	Disposal	900	--	2,300–3,766
Active	DODGE #48W	42-227-34573	UNITED OIL & SHALE LLC	Injection	900	--	2,450–3,000
Active	DODGE #49W	42-227-34572	UNITED OIL & SHALE LLC	Injection	900	--	2,450–3,000
Active	SNYDER, B. S. -C- #2848W	42-227-35710	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	TXL, B. S. -C- #3315W	42-227-35537	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -A- #126W	42-227-35552	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,700
Active	SNYDER, SUSIE B. #28W	42-227-30209	GRAYROCK ENERGY II, LLC	Injection	800	--	2,520–2,782
Active	SNYDER -E- #15W	42-227-33756	UNITED OIL & SHALE LLC	Injection	800	--	2,550–2,940
Active	SNYDER, SUSIE B. #2730W	42-227-35555	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, D. H., JR. #128W	42-227-35551	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	TXL, B. S. -D- #3330W	42-227-35527	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	TXL, B. S. -A- #3309W	42-227-35545	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	TXL, B. S. -A- #3311W	42-227-35546	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2813W	42-227-35489	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2814W	42-227-35483	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, SUSIE B. #2073W	42-227-35618	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,000
Active	TXL, B. S. -C- #3332W	42-227-35544	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2816W	42-227-35709	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2815W	42-227-35487	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -E- #2873W	42-227-35481	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -E- #2860W	42-227-35535	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -E- #2858W	42-227-35536	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2832W	42-227-35485	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2845W	42-227-35486	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2846W	42-227-35488	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -B- #2841W	42-227-35491	GRAYROCK ENERGY II, LLC	Injection	800	--	2,520–3,050
Active	SNYDER, B. S. -C- #2847W	42-227-35490	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	SNYDER, B. S. -C- #2864W	42-227-35539	GRAYROCK ENERGY II, LLC	Injection	800	--	2,550–3,050
Active	TXL, B. S. -A- #3328W	42-227-35670	GRAYROCK ENERGY II, LLC	Injection	800	--	2,600–3,000
Active	SNYDER, SUSIE B. #2051W	42-227-35403	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,000
Active	CLAY, H. R.-E- #24W	42-227-10098	LANDMARK IP, LLC	UIC	800	--	2,206–2,455
Active	SNYDER, SUSIE B. #2053W	42-227-35408	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,000
Active	SNYDER, SUSIE B. #2038W	42-227-35410	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,000
Active	SNYDER, SUSIE B. #2037W	42-227-35413	GRAYROCK ENERGY II, LLC	Injection	800	--	2,500–3,000
Active	MURRAY #8WL	42-227-31461	BCE-MACH III LLC	Injection	800	--	2,400–2,850
Active	CLAY, H. R.-A- #47W	42-227-30172	LANDMARK IP, LLC	UIC	800	--	2,217–2,479
Active	SNYDER, SUSIE B. #15	42-227-01523	GRAYROCK ENERGY II, LLC	Injection	800	--	2,570–2,915
Active	CLAY, H. R. #28W	42-227-30319	GRAYROCK ENERGY II, LLC	Injection	800	--	1,693–2,453
Active	DENMAN -D- #10W	42-227-20333	UNITED OIL & SHALE LLC	Injection	800	--	2,630–2,930
Active	DENMAN -D- #11W	42-227-20332	UNITED OIL & SHALE LLC	Injection	800	--	2,630–2,930
Active	DOUTHIT #12	42-227-02809	CITATION OIL & GAS CORP	Injection	800	--	1,400–3,300
Active	SNYDER, SUSIE B. #13	42-227-01521	GRAYROCK ENERGY II, LLC	Injection	800	--	2,564–2,920
Active	DENMAN -K- #12W	42-227-01172	UNITED OIL & SHALE LLC	UIC	800	--	2,648–2,905
Active	JONES -H- #5W	42-227-01460	UNITED OIL & SHALE LLC	Injection	800	--	2,525–2,940
Active	SNYDER, SUSIE B. #18W	42-227-01526	GRAYROCK ENERGY II, LLC	Injection	800	--	2,547–3,000
Active	JONES -H- #12W	42-227-01465	UNITED OIL & SHALE LLC	Injection	800	--	2,500–2,955
Active	READ -A- #11W	42-227-01856	UNITED OIL & SHALE LLC	UIC	800	--	2,520–2,780
Active	TXL, B. S. -A- #3327W	42-227-35669	GRAYROCK ENERGY II, LLC	Injection	800	--	2,600–3,000
Active	TXL, B. S. -D- #3344W	42-227-35673	GRAYROCK ENERGY II, LLC	Injection	800	--	2,600–3,000
Active	SNYDER -B- #24W	42-227-01340	UNITED OIL & SHALE LLC	Injection	800	--	2,600–2,960
Active	SNYDER -B- #39W	42-227-01368	UNITED OIL & SHALE LLC	Injection	800	--	2,625–2,911
Active	REED. L. R & W. N. #16 U	42-227-00138	GRAYROCK ENERGY II, LLC	Injection	800	--	2,050–2,700
Active	REED, W. N. & L. & R. #7W	42-227-02884	CITATION OIL & GAS CORP	Injection	800	--	1,400–3,300
Active	REED. L. R & W. N. #11 W	42-227-00167	GRAYROCK ENERGY II, LLC	Injection	800	--	2,050–3,300
Active	REED. L. R & W. N. #9	42-227-00165	GRAYROCK ENERGY II, LLC	Injection	800	--	2,231–3,034
Active	REED. L. R & W. N. #4 L	42-227-00181	GRAYROCK ENERGY II, LLC	Injection	800	--	2,700–3,300
Active	REED. L. R & W. N. #4 U	42-227-00181	GRAYROCK ENERGY II, LLC	Injection	800	--	2,194–2,700
Active	REED. L. R & W. N. #1RL	42-227-35139	GRAYROCK ENERGY II, LLC	Injection	800	--	2,700–3,300
Active	DENMAN -B- #1WI	42-227-34229	UNITED OIL & SHALE LLC	Injection	800	--	2,400–2,950
Active	FRYAR, CLAUD #6W	42-227-32837	JOHNSON OPERATING COMPANY, LLC.	Injection	750	--	3,150–3,200
Active	DOUTHIT, E. W. -C- DE #9	42-227-30435	GRAYROCK ENERGY II, LLC	Injection	750	--	2,000–2,650
Active	PRIOR "A" #4	42-227-30672	HIGH DESERT RESOURCES, L.L.C.	Injection	750	--	3,121–3,137
Active	DOUTHIT, E. W. -C- DE #7	42-227-30422	GRAYROCK ENERGY II, LLC	Injection	750	--	2,000–2,650
Active	SNYDER -E- #4W	42-227-20328	UNITED OIL & SHALE LLC	Injection	750	--	2,600–3,000
Active	FOSTER, W. L. #5 #18RW	42-227-34012	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	DODGE, G. M. #88W	42-227-33993	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	DOUTHIT, E. W. DE #101W	42-227-00954	GRAYROCK ENERGY II, LLC	Injection	700	--	1,390–2,610
Active	SNYDER -E- #42	42-227-34565	UNITED OIL & SHALE LLC	Injection	700	--	2,635–3,199
Active	REED BROTHERS DE #101W	42-227-00972	GRAYROCK ENERGY II, LLC	Injection	700	--	1,500–2,450
Active	BELL, A. M. #52W	42-227-33996	BCE-MACH III LLC	Injection	700	--	2,400–2,950
Active	DOUTHIT, E. W. DE #102	42-227-04221	GRAYROCK ENERGY II, LLC	Injection	700	--	1,430–2,311
Active	SNYDER -E- #2W	42-227-20330	UNITED OIL & SHALE LLC	UIC	650	--	2,595–2,942
Active	SNYDER -E- #3W	42-227-20329	UNITED OIL & SHALE LLC	UIC	650	--	2,635–3,007
Active	SETTLES, W. R. -A- #105W	42-227-31583	CITATION OIL & GAS CORP	Injection	650	--	2,057–2,558
Active	CHALK, OTIS #21WU	42-227-35715	APC OPER PARTNERSHIP	Injection	625	--	2,150–2,700
Active	CHALK, OTIS #22WU	42-227-35714	APC OPER PARTNERSHIP	Injection	625	--	2,150–2,700
Active	CHALK, OTIS #22W	42-227-35714	APC OPER PARTNERSHIP	Injection	625	--	2,700–3,400
Active	CHALK, OTIS #21W	42-227-35715	APC OPER PARTNERSHIP	Injection	625	--	2,700–3,400
Active	CHALK ESTATE #18W	42-227-31098	CITATION OIL & GAS CORP	Injection	600	--	1,998–2,240

page 10 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.