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- #2876W	42-227-35541	GRAYROCK ENERGY II, LLC	Injection	1,000	91,020	2,600–3,700
Active	DODGE, G. M. #71W	42-227-33125	BCE-MACH III LLC	Injection	700	90,962	2,591–2,833
Active	DOUTHIT, E. W. -C- DE #15	42-227-34155	GRAYROCK ENERGY II, LLC	Injection	1,200	90,402	1,372–3,120
Active	CHALK ESTATE #27W	42-227-34139	CITATION OIL & GAS CORP	Injection	2,000	89,133	2,000–2,200
Active	DODGE, GRANVILLE M., EST. #190W	42-227-31161	GRAYROCK ENERGY II, LLC	Injection	1,000	88,550	2,300–2,950
Active	DODGE, GRANVILLE M., EST. #220	42-227-33725	GRAYROCK ENERGY II, LLC	Injection	400	87,959	2,436–2,780
Active	CLAY #53W	42-227-35648	GRAYROCK ENERGY II, LLC	Injection	1,000	86,328	2,200–3,300
Active	DODGE, G. M. #89W	42-227-34008	BCE-MACH III LLC	Injection	700	86,071	2,400–2,950
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #82W	42-227-31757	BASA RES, INC	Injection	1,000	85,659	2,450–2,800
Active	TEX-HAN DOUTHIT/SAN ANDRES/ #4D	42-227-30603	P4 OPER, LLC	UIC	500	84,000	1,388–1,423
Active	DODGE, G. M. #41W	42-227-31516	BCE-MACH III LLC	Injection	800	83,013	2,400–2,900
Active	DODGE, GRANVILLE M., EST. #115W	42-227-04001	GRAYROCK ENERGY II, LLC	Injection	400	82,569	2,400–2,950
Active	DODGE, G. M. #37W	42-227-31473	BCE-MACH III LLC	Injection	700	81,931	2,600–2,900
Active	DODGE, GRANVILLE M., EST. #122W	42-227-10233	GRAYROCK ENERGY II, LLC	Injection	400	79,790	2,100–2,850
Active	HYMAN, SARAH #81D	42-227-37079	CITATION OIL & GAS CORP	Injection	50,000	78,427	4,200–6,000
Active	T. L. & M. CO. #5R	42-227-35765	SWEET CRUDE OPERATING LLC	Injection	600	77,300	2,630–2,835
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #8W	42-227-03080	BASA RES, INC	Injection	1,000	77,266	2,500–2,800
Active	BOWEN, JOHN #1	42-227-10874	EXTEX OPER CO	Injection	1,000	75,596	2,046–2,951
Active	DODGE, G. M. #90W	42-227-34009	BCE-MACH III LLC	Injection	700	74,496	2,400–2,950
Active	DODGE, G. M. #51W	42-227-31926	BCE-MACH III LLC	Injection	700	74,323	2,548–2,769
Active	CHALK, OTIS #56W	42-227-30482	SAHARA OPER CO	UIC	700	74,313	2,800–3,000
Active	BELL, A. M. #74W	42-227-37138	BCE-MACH III LLC	Injection	1,500	74,120	1,750–3,500
Active	DODGE, GRANVILLE M., EST. #191W	42-227-31160	GRAYROCK ENERGY II, LLC	Injection	400	72,622	2,300–2,950
Active	DODGE, GRANVILLE M., EST. #235W	42-227-34470	GRAYROCK ENERGY II, LLC	Injection	400	72,374	2,486–2,768
Active	DODGE, GRANVILLE M., EST. #234	42-227-34469	GRAYROCK ENERGY II, LLC	Injection	400	72,259	2,408–2,830
Active	FLUOR #1	42-227-30277	EXTEX OPER CO	Injection	1,000	72,013	3,574–3,753
Active	DODGE, GRANVILLE M., EST. #175W	42-227-30696	GRAYROCK ENERGY II, LLC	Injection	400	71,473	2,300–2,950
Active	REED BROTHERS DE #106W	42-227-10121	GRAYROCK ENERGY II, LLC	Injection	700	69,491	1,500–2,450
Active	MOURNING DOVE #1	42-227-34590	AUTUMN ENERGY OPERATING	Injection	8,000	68,851	2,480–7,508
Active	GUITAR CONSOLIDATED #1308	42-227-35770	APEX RESOURCES LLC	Injection	1,500	68,435	5,649–5,663
Active	SNYDER, B. S. -A- #11	42-227-30863	GRAYROCK ENERGY II, LLC	Injection	1,000	67,933	2,030–3,700
Active	DODGE, GRANVILLE M., EST. #212	42-227-33673	GRAYROCK ENERGY II, LLC	Injection	400	65,507	2,434–2,724
Active	DODGE, GRANVILLE M., EST. #219	42-227-33593	GRAYROCK ENERGY II, LLC	Injection	400	65,378	2,490–2,776
Active	DODGE, G. M. #84	42-227-33981	BCE-MACH III LLC	Injection	1,000	65,199	2,400–2,985
Active	DODGE, GRANVILLE M., EST. #180W	42-227-30901	GRAYROCK ENERGY II, LLC	Injection	400	64,836	2,300–2,950
Active	T. L. & M. CO. -C- #15	42-227-33730	SWEET CRUDE OPERATING LLC	Injection	600	63,325	2,650–2,900
Active	DODGE, GRANVILLE M., EST. #276W	42-227-40181	GRAYROCK ENERGY II, LLC	Injection	700	63,270	2,300–3,000
Active	CHALK, OTIS #13W	42-227-02708	UNITEX OIL & GAS, L.L.C	Injection	1,000	63,012	2,000–2,400
Active	ROBERTS, DORA -BDE- #4115L	42-227-35121	BASA RES, INC	Injection	1,500	62,682	2,522–3,000
Active	DODGE, GRANVILLE M., EST. #225W	42-227-33736	GRAYROCK ENERGY II, LLC	Injection	400	62,013	2,422–2,750
Active	DODGE, GRANVILLE M., EST. #217	42-227-33676	GRAYROCK ENERGY II, LLC	Injection	400	61,877	2,459–2,741
Active	TXL, B. S. -A- #3416W	42-227-35672	GRAYROCK ENERGY II, LLC	Injection	800	61,729	2,600–3,000
Active	LESTER #1	42-227-30884	DKL WATER GATHERING PERMIAN, LLC	Injection	7,500	60,867	4,400–9,100
Active	DODGE, GRANVILLE M., EST. #120W	42-227-10231	GRAYROCK ENERGY II, LLC	Injection	400	60,628	2,100–2,850
Active	DODGE, GRANVILLE M., EST. #179W	42-227-31019	GRAYROCK ENERGY II, LLC	Injection	400	59,725	2,300–2,950
Active	SETTLES, W. R. #40W	42-227-30933	GRAYROCK ENERGY II, LLC	Injection	1,500	59,570	2,045–2,400
Active	CHALK, OTIS #3W	42-227-30484	SAHARA OPER CO	Injection	700	59,347	2,150–2,250
Active	WINTERS, W. C. #1D	42-227-03226	WILSON SYSTEMS, INC	Disposal	3,500	58,992	2,258–5,026
Active	TXL, B. S. -D- #3346W	42-227-35526	GRAYROCK ENERGY II, LLC	Injection	400	58,951	2,550–3,050
Active	KLOH, A. #4D	42-227-30451	EXTEX OPER CO	Injection	5,000	57,966	2,300–3,201
Active	DODGE, GRANVILLE M., EST. #236W	42-227-34472	GRAYROCK ENERGY II, LLC	Injection	1,000	57,943	2,460–2,730
Active	REED BROTHERS DE #204	42-227-34558	GRAYROCK ENERGY II, LLC	Injection	2,000	57,800	2,200–3,300
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #72W	42-227-31750	BASA RES, INC	Injection	1,000	56,984	2,450–2,800
Active	ROBERTS, DORA -BDE- #4113	42-227-35120	BASA RES, INC	Injection	1,500	55,867	2,000–3,022
Active	DENMAN -C- #2W	42-227-10984	UNITED OIL & SHALE LLC	Injection	800	53,623	2,620–2,920
Active	BELL, A. M. #30W	42-227-31322	BCE-MACH III LLC	Injection	800	53,522	2,400–2,900
Active	DODGE, G. M. #56W	42-227-32084	BCE-MACH III LLC	Injection	1,000	52,997	2,400–2,878
Active	DODGE, G. M. #36W	42-227-31474	BCE-MACH III LLC	Injection	800	51,715	2,464–2,862
Active	KLOH ETAL #20W	42-227-00428	APC OPER PARTNERSHIP	Injection	5,000	51,602	2,258–3,000
Active	DODGE, GRANVILLE M., EST. #241	42-227-34615	GRAYROCK ENERGY II, LLC	Injection	400	51,110	2,250–2,900
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #92W	42-227-31761	BASA RES, INC	Injection	1,000	50,870	2,450–2,800
Active	DODGE, G. M. #24W	42-227-03179	BCE-MACH III LLC	Injection	1,000	50,669	2,400–2,900
Active	DODGE, GRANVILLE M., EST. #181W	42-227-30902	GRAYROCK ENERGY II, LLC	Injection	400	50,454	2,300–2,950
Active	DODGE, GRANVILLE M., EST. #147W	42-227-30525	GRAYROCK ENERGY II, LLC	Injection	400	50,112	2,359–2,875
Active	ROBERTS, DORA -BDE- #325L	42-227-31639	BASA RES, INC	UIC	3,200	49,858	2,312–2,684
Active	CLAY, H. R. #12W	42-227-04208	WASH, ROBERT C. INC	Injection	500	49,525	2,308–2,632
Active	CLAY #9W	42-227-33910	GRAYROCK ENERGY II, LLC	Injection	500	49,365	2,883–3,207
Active	GUITAR CONSOLIDATED #1307	42-227-35762	APEX RESOURCES LLC	Injection	2,000	49,210	5,630–5,642
Active	FOSTER, W. L. #1 #45W	42-227-31631	BCE-MACH III LLC	Injection	1,000	48,719	2,550–3,000
Active	DODGE, GRANVILLE M., EST. #209	42-227-33684	GRAYROCK ENERGY II, LLC	Injection	400	48,517	2,430–2,721
Active	DODGE, GRANVILLE M., EST. #188W	42-227-31090	GRAYROCK ENERGY II, LLC	Injection	1,000	47,726	2,412–2,775
Active	DODGE, GRANVILLE M., EST. #202W	42-227-31485	GRAYROCK ENERGY II, LLC	Injection	400	47,606	2,300–2,950
Active	DODGE, GRANVILLE M., EST. #204W	42-227-31658	GRAYROCK ENERGY II, LLC	Injection	400	47,447	2,300–2,950
Active	MURRAY #6W	42-227-10520	BCE-MACH III LLC	Injection	1,200	46,635	2,582–2,894
Active	CLAY #51W	42-227-35645	GRAYROCK ENERGY II, LLC	Injection	1,000	46,305	2,200–3,300
Active	DODGE, GRANVILLE M., EST. #174W	42-227-31018	GRAYROCK ENERGY II, LLC	Injection	400	45,327	2,300–2,950
Active	REED. L. R & W. N. #16 L	42-227-00138	GRAYROCK ENERGY II, LLC	Injection	800	45,219	2,700–3,300
Active	DODGE, GRANVILLE M., EST. #213W	42-227-33706	GRAYROCK ENERGY II, LLC	Injection	400	45,107	2,465–2,776
Active	DODGE, GRANVILLE M., EST. #216	42-227-33675	GRAYROCK ENERGY II, LLC	Injection	400	45,072	2,464–2,741
Active	WRIGHT SWD #1 A	42-227-30694	DEEP BLUE OPER I LLC	Disposal	15,000	44,854	4,085–4,255
Active	ECHOLS, CORA LEE, MRS., -B- #14W	42-227-31777	BASA RES, INC	Injection	1,000	44,845	2,450–2,800
Active	KLOH #42U	42-227-35291	GRAYROCK ENERGY II, LLC	Injection	1,500	44,750	2,000–2,300
Active	DODGE, GRANVILLE M., EST. #211	42-227-33672	GRAYROCK ENERGY II, LLC	Injection	400	44,580	2,437–2,727
Active	CHALK, SLOAN #16W	42-227-10711	CITATION OIL & GAS CORP	Injection	2,000	43,881	2,034–2,196
Active	KLOH #51L	42-227-35502	GRAYROCK ENERGY II, LLC	Injection	1,500	43,819	2,300–2,600
Active	DODGE, GRANVILLE M., EST. #214	42-227-33594	GRAYROCK ENERGY II, LLC	Injection	400	43,535	2,468–2,758
Active	GUITAR TRUST ESTATE -C- #6W	42-227-02781	AMERICO ENGY RES, LLC	Injection	1,200	43,219	3,158–3,162
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #7W	42-227-03079	BASA RES, INC	Injection	1,000	42,386	2,552–2,841
Active	BIG SPRINGS BRINE STATION #6	42-227-81983	PWS-ES, LLC	Disposal	5,000	42,235	900–1,270
Active	SNYDER, SUSIE B. #2054W	42-227-35407	GRAYROCK ENERGY II, LLC	Injection	800	42,224	2,500–3,000
Active	ECHOLS, CORA LEE, MRS., -A- #39W	42-227-31803	BASA RES, INC	Injection	1,000	42,135	2,450–2,800
Active	WOULD HAVE EAST SIDE UNIT #1709	42-227-35968	APEX RESOURCES LLC	Injection	2,000	41,417	5,400–5,600
Active	CHALK, OTIS #L 9WR	42-227-34779	UNITEX OIL & GAS, L.L.C	Injection	600	41,092	2,000–3,100
Active	TEXAS LAND&MORTGAGE CO.-A-R/A-A- #26W	42-227-30014	BASA RES, INC	Injection	1,000	40,142	2,500–2,900
Active	JONES, PERCY #33W	42-227-10698	WINN OPER, LLC	Injection	500	39,904	2,421–2,680
Active	DODGE, GRANVILLE M., EST. #228W	42-227-34199	GRAYROCK ENERGY II, LLC	Injection	400	39,770	2,300–2,950
Active	SNYDER, SUSIE B. #2747W	42-227-35553	GRAYROCK ENERGY II, LLC	Injection	800	39,559	2,550–3,050
Active	BELL, GEORGIA #7W	42-227-33726	BASA RES, INC	Injection	500	39,463	2,433–2,704
Active	REED BROTHERS DE #206	42-227-34561	GRAYROCK ENERGY II, LLC	Injection	2,000	39,395	2,800–3,300
Active	CHALK, OTIS #9W	42-227-30494	UNITEX OIL & GAS, L.L.C	Injection	600	37,920	1,850–2,700

page 5 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.