Mermentau River @ Lake Arthur, LA

Jefferson Davis Parish, Louisiana · USGS gauge 08012400 · Mermentau River flood status · Louisiana river levels

Is Mermentau River @ Lake Arthur, LA flooding right now?

Mermentau River @ Lake Arthur, LA measured 22.51 ft on 2026-11-11 18:15:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

22.51 ft

as of 26 min ago

Streamflow

—

data refreshed 11 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Last 7 days

Past 7 days · 22.38–22.56 ft

Nearby gauges

Gauge	Distance	County
Mermentau River At Mermentau, LA	9.1 mi	Jefferson Davis Parish
Byu Queue De Tortue @ Riceville, LA	9.1 mi	Acadia Parish
Bayou Lacassine near Lake Arthur, LA	13.1 mi	Jefferson Davis Parish
Bayou Plaquemine Brule @ Esterwood, LA.	14.5 mi	Acadia Parish
Bayou Des Cannes west of Iota, LA	19.3 mi	Acadia Parish

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location