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COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 477

Washington County

Washington County permitting is running 8.7 permits a month over the trailing 90 days (26 total, up 160% on the prior quarter).

Magnolia Oil & Gas Operating LLC leads with 34 permits in the past 12 months, one of 3 operators active in the county.

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

Median permitted depth over the past year is 12,000 ft; 71% of the past year's permits are horizontal.

The county has 5 active disposal and injection permits, with 6.38M barrels injected in the 12 months reported through June 2025.

1,520 drilling permits have been issued in Washington County since 1977.

1,520 permits on file since 1977 · last issued Sep 2, 2026

Watch Washington County

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

Window30 days90 days180 days365 days
26
permits issued, 90d
+160%
vs prior 90d (10)
2
operators filing
38%
horizontal
5,846
avg permitted depth, ft
201
operators, all time

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

Permits issued by month

LAST 79 MONTHS · BY ISSUE DATE

Last 12 months 69 · prior 12 45(+53%)

0102030201820192020202120222023202420252026

Top operators, last 12 months

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

OperatorPermitsWells
Magnolia Oil & Gas Operating LLC34284
Aethon Energy Operating LLC170
Geosouthern Operating II, LLC544

Full operator directory →

New entrants, last 12 months

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

Permit types, 90d

TypeWindowPriorAll time
Drill27101,281

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Washington County the Wilcox is reported in 286 wells, median top 3,666 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Austin Chalk5513811,1449,718–14,276
Pecan Gap325379,6688,931–12,136
Wilcox286373,6661,850–5,598
Navarro191257,9757,493–10,240
Midway189387,1126,538–9,505
Taylor121328,7217,981–11,835
Eagle Ford68010,89010,158–12,345
Queen City5501,2241,074–1,485
Sparta5301,112948–1,311
Georgetown50012,58410,557–14,745
Caprock4902,4102,410–3,394
Weches3801,1751,022–1,282
Buda36012,39210,508–14,786
Reklaw1501,4831,224–1,614
Edwards12012,50811,605–13,031

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

5
active UIC permits of 32
66.1K
permitted bbl/day, active
6.38M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Washington 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
919748Oct 31, 2026Oct 29, 2026Aethon Energy Operating LLCClay Creek East Unit #5302,00047731372
918225Sep 4, 2026Sep 2, 2026Aethon Energy Operating LLCClay Creek East Unit #6332,00047731370
918223Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #6312,00047731369
918198Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #6302,00047731368
918197Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #6292,00047731367
918166Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #5292,00047731366
918165Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #5282,00047731365
918160Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #5262,00047731364
918157Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #5252,00047731363
918144Sep 2, 2026Aug 31, 2026Aethon Energy Operating LLCClay Creek East Unit #1282,00047731362

All Washington 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/washington?days=90, documented in the API reference.