Saltwater Disposal Wells in La Salle County, Texas

La Salle County has 50 disposal-related permits on record with 24 injection wells on the RRC schedule, 24 of them active. SWD capacity here is led by C&E PRODUCTION LLC, NGL WATERSOLUTIONS EAGLEFORD LLC, CARIBBEAN ENERGY LLC IIamong 28 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 2023-03-07).

SWD Permits

50

Last 12mo

0

Permit Operators

28

Injection Wells

24

On Schedule

24

Permitted Capacity

0.69MMbbl/d

W-14 Disposal

0.42MMbbl/d

Deep Interval (8k+ ft)

41%

Injected (12mo)

26MMbbl

vs Prior Year

-51%

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

Earthquakes M2+ (12mo)

34

vs Prior Year

+5

M3+ (12mo)

3

Max Magnitude (12mo)

M3.6

Seismicity in the La Salle County area from the TexNet catalog  · latest M3+: M3.6 11 km SSE of Dilley, Texas (2026-07-12) · 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
EVX OPER LLC7,115,400120,0005
C&E PROD, LLC6,234,255105,0004
NGL WATERSOLUTIONS EAGLEFORD,LLC4,402,886155,0006
RHINO OPER CO, LLC2,748,02225,0001
CROSSTEX ENVIRONMENTAL STX, LLC1,258,28332,0002
PILOT WATER SOLUTIONS SWD LLC984,77520,0001
VERDUN OIL EF II LLC788,55130,0001
AMSYS ENERGY, LLC.693,26475,0003
KASPER OIL & GAS II, L.L.C.650,61415,0001
REPUBLIC EES, LLC400,69414,0001

Injection Wells (most recently completed)

APILEASEOPERATORDEPTHCOMPLETEDSCHED
42-283-32904MELLENBRUCH SWDPILOT WATER SOLUTIONS SWD LLC--2025-02-25Y
42-283-35220ENCINAL SWDNGL WATERSOLUTIONS EAGLEFORD LLC--2024-02-24Y
42-283-32094M & M MINERALS CORP.LEWIS PETRO PROPERTIES INC.--2023-08-21Y
42-283-32448KASPER MARTINEZKASPER OIL & GAS II L.L.C.--2023-02-22Y
42-283-33513TERVITA LOS ANGELES TRDREPUBLIC EES LLC--2022-12-20Y
42-283-30259SOUTH TEXAS SYNDICATE -B-CARIBBEAN ENERGY LLC II--2021-10-20Y
42-283-35387JV SWDC&E PRODUCTION LLC--2021-06-21Y
42-283-36900EL JARDIN SWDC&E PRODUCTION LLC--2019-12-25Y
42-283-32745LOS ANGELES SWDCROSSTEX ENVIRONMENTAL STX LLC--2019-10-07Y
42-283-36711PENA SWDEVX OPERATING LLC--2019-04-23Y
42-283-34287LOS ANGELES SWDCROSSTEX ENVIRONMENTAL STX LLC--2019-03-14Y
42-283-33812KRISJENN RANCH SWDC&E PRODUCTION LLC--2018-02-07Y
42-283-35789LONESTAR OPERATING SWDFW EAGLE FORD I LLC--2016-12-16Y
42-283-34883MEYERS SWDC&E PRODUCTION LLC--2015-12-29Y
42-283-33117MOCKINGBIRDMOCKINGBIRD MDSTRM GAS SVCS LLC--2013-12-03Y

Recent Disposal Permits

PERMITOPERATORLEASETYPEISSUED
888662EP ENERGY E&P COMPANY, LLCCOTULLA MH SWDDRILL2023-03-07
878280CARIBBEAN ENERGY LLC IICATALINA SWDDRILL2022-03-25
858031C&E PRODUCTION, LLCEL JARDIN SWDDRILL2019-10-16
858031C&E PRODUCTION, LLCEL JARDIN SWDDRILL2019-10-16
850292EVX MIDSTREAM PARTNERS LLCPENA SWDDRILL2019-02-28
848369EVX MIDSTREAM PARTNERS LLCPATRIOT SWDDRILL2019-01-22
843136NGL WATERSOLUTIONS EAGLEFORD,LLCHR COTULLA SWDDRILL2018-08-03
837690EP ENERGY E&P COMPANY, L.P.COTULLA MH SWDDRILL2018-04-17
837690EP ENERGY E&P COMPANY, L.P.COTULLA MH SWDDRILL2018-04-17
837505XTO ENERGY INC.IRVIN MINERALS SOUTH SWDDRILL2018-03-16
837505XTO ENERGY INC.IRVIN MINERALS SOUTH SWDDRILL2018-03-16
817281LONESTAR OPERATING, LLCLONESTAR OPERATING SWDDRILL2016-07-26

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