Saltwater Disposal Wells in Howard County, Texas

Howard County has 149 disposal-related permits on record  — 1 in the last 12 months — with 289 injection wells on the RRC schedule, 289 of them active. SWD capacity here is led by GRAYROCK ENERGY II LLC, DKL WATER GATHERING PERMIAN LLC, O RYAN OIL AND GASamong 51 operators with disposal filings in the county.

Active SWD wells, top disposal operators, and the latest permits are below, from RRC permit and wellbore scheduling data (most recent filing 2025-08-21).

SWD Permits

149

Last 12mo

1

Permit Operators

51

Injection Wells

289

On Schedule

289

Permitted Capacity

5.96MMbbl/d

W-14 Disposal

2.33MMbbl/d

Deep Interval (8k+ ft)

32%

Injected (12mo)

233MMbbl

vs Prior Year

-52%

Capacity from active RRC UIC permits; injected volumes from operator H-10 filings.

Earthquakes M2+ (12mo)

82

vs Prior Year

+40

M3+ (12mo)

4

Max Magnitude (12mo)

M4.3

Seismicity in the Howard County area from the TexNet catalog  · latest M3+: M3.9 23 km NW of Westbrook, Texas (2026-07-23) · sustained clusters can trigger RRC seismic response areas that curtail deep disposal. Full earthquake history →

Disposal Permit Activity

Injected Volumes (MMbbl/month, operator H-10 filings)

Disposal Operators (actual injected vs permitted, active UIC permits)

OPERATORINJECTED 12MO (BBL)PERMITTED BBL/DWELLS
DKL WATER GATHERING PERMIAN, LLC67,855,736855,00032
HIGHPEAK ENGY HOLDINGS, LLC32,543,247444,00015
CITATION OIL & GAS CORP20,178,767808,350170
OXYROCK OPER, LLC19,792,023265,00015
BASA RES, INC16,530,072574,800143
DEEP BLUE OPER I LLC11,412,897326,38013
SURGE OPER, LLC9,992,432268,00017
BAYSWATER OPER CO LLC7,547,615139,9008
SM ENGY CO7,258,101195,0005
GRAYROCK ENERGY II, LLC7,058,886256,860263

Injection Wells (most recently completed)

APILEASEOPERATORDEPTHCOMPLETEDSCHED
42-227-41344QUINN 20OXYROCK OPERATING LLC--2026-03-13Y
42-227-34011FOSTER W. L. #1BCE-MACH III LLC--2026-02-21Y
42-227-41688ENGLE SWDHIGHPEAK ENERGY HOLDINGS LLC--2026-02-05Y
42-227-42764BIG ROCKBAYSWATER OPERATING COMPANY LLC--2025-12-01Y
42-227-37122WEST KNOTT SWDDEEP BLUE OPERATING I LLC--2025-10-16Y
42-227-39689HULKSTER SWDBIRCH OPERATIONS INC.--2025-06-27Y
42-227-39442MIDDLETON 2SURGE OPERATING LLC--2025-06-12Y
42-227-36882BARNETT DEEPOXY USA INC.--2025-05-15Y
42-227-37927HUGHES SWDPILOT WATER SOLUTIONS PERMIANLLC--2025-02-01Y
42-227-38743RUSSELL SWDOXYROCK OPERATING LLC--2024-11-15Y
42-227-42503FLINT ROCKBAYSWATER OPERATING COMPANY LLC--2024-08-28Y
42-227-39441NEPTUNE SWDSM ENERGY COMPANY--2024-06-27Y
42-227-30998MURRAY BBCE-MACH III LLC--2024-05-31Y
42-227-10520MURRAYBCE-MACH III LLC--2024-05-21Y
42-227-42249THE SEVENBAYSWATER OPERATING COMPANY LLC--2024-05-15Y

Recent Disposal Permits

PERMITOPERATORLEASETYPEISSUED
909991DKL WATER GATHERING PERMIAN, LLCTOP GUN SWDDRILL2025-08-21
904948SOLARIS WATER MIDSTREAM, LLCAPOLLO SWDDRILL2025-01-03
903178SURGE OPERATING, LLCDEXTER SWDDRILL2024-10-10
896218NGL WATER SOLUTIONS PERMIAN, LLCHOWARD SNELL SWDDRILL2024-01-02
896217NGL WATER SOLUTIONS PERMIAN, LLCHOWARD SNELL SWDDRILL2024-01-02
894861HIGHPEAK ENERGY HOLDINGS, LLCGRIFFIN SWDRECOMP2023-10-31
893408CROWNQUEST OPERATING, LLCTUBB SWDRECOMP2023-09-05
893117HIGHPEAK ENERGY HOLDINGS, LLCINGRAM SWDDRILL2023-08-24
891327H2O MIDSTREAM PERMIAN LLCNEWTON 10 SWDRECOMP2023-06-15
890127HIGHPEAK ENERGY HOLDINGS, LLCWILL ED SWDDRILL2023-05-12
890048HIGHPEAK ENERGY HOLDINGS, LLCCOLE SWDDRILL2023-04-25
890003HIGHPEAK ENERGY HOLDINGS, LLCEAST 350 SWDDRILL2023-04-24

See all drilling activity in Howard County or statewide produced water & disposal activity.