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COUNTIES · TEXAS GULF COAST · DISTRICT 04 · CODE 061

Cameron County

Cameron County has had no new drilling permits in the past 90 days; the most recent permit on record was issued May 22, 2026.

WWM Operating, LLC leads with 1 permit in the past 12 months, the only operator active in the county.

One operator filed a first Cameron County permit in the past year.

Median permitted depth over the past year is 375 ft; 0% of the past year's permits are horizontal.

258 drilling permits have been issued in Cameron County since 1977.

258 permits on file since 1977 · last issued May 22, 2026

Watch Cameron County

Also: every Cameron County well in the statewide list, searchable → · a year of permits on the map →

Window30 days90 days180 days365 days
0
permits issued, 90d
-100%
vs prior 90d (1)
0
operators filing
—
horizontal
—
avg permitted depth, ft
111
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 8 MONTHS · BY ISSUE DATE

Last 12 months 9

01220182026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

OperatorPermitsWells
WWM Operating, LLC10

Full operator directory →

New entrants, last 12 months

Operators whose first permit in Cameron County came in the last year. 1 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill01173

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Cameron County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Miocene (undifferentiated)1903,8292,400–7,701

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

0
active UIC permits of 9
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Cameron County →

Permitted volume is a ceiling, not throughput. How to read it →

TexNet catalog via USGS

Seismicity, last 2 years

0
M2+ events in the area
—
largest

Monthly counts, magnitudes, and every recent event in the area →

Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →

Latest permits

NEWEST FIRST BY ISSUE DATE

PermitSeenIssuedOperatorLease / wellDepthAPI
915604May 22, 2026May 22, 2026WWM Operating, LLCWildcat #737506130542
841045Jun 26, 2018Jun 26, 2018Nustar Logistics, L.P.Harl-Rect-2.000 #135006130541
839636May 9, 2018May 9, 2018Valley Crossing Pipeline, LLCBrownsville Navigational DST CS2 #2CS20006130540
832375Mar 5, 2018Mar 5, 2018Valley Crossing Pipeline, LLCBrownsville Navigation #8ML20006130539
831498Feb 6, 2018Feb 6, 2018Valley Crossing Pipeline, LLCRegan Stone #620006130538
832053Jan 26, 2018Jan 26, 2018Valley Crossing Pipeline, LLCBrownsville Navigation MLV #820006130536
832378Jan 25, 2018Jan 25, 2018Valley Crossing Pipeline, LLCBrownsville Navigation #2CS20006130537
830312Sep 7, 2017Sep 7, 2017Texas Gas Service CompanyCathodic Protection #5035006130535
822535Feb 8, 2017Feb 8, 2017Texas Gas Service CompanyCathodic Protection #135006130534
806122May 27, 2015May 27, 2015Seadrift Pipeline CorporationPort Isabel #1CP35006130533

All Cameron County permits →

About this data

Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.

Developers: this page as JSON is GET /v1/data/counties/tx/cameron?days=90, documented in the API reference.