Mississippi River at Alliance water level

Name: Mississippi River at Alliance stage (U.S. Army Corps of Engineers 01390)
Creator: U.S. Army Corps of Engineers, New Orleans District
License: https://gulfcoastgauges.com/about/#using-the-data

U.S. Army Corps of Engineers gauge 01390 · NWS MRAL1 · Plaquemines Parish · New Orleans and the Northshore

1.38 ft

stage, NAVD88 · Oct 27, 2026 at 12:00 PM CDT · 3 hours ago

Usual range: 0.67 to 3.76 ft
Highest since September 30, 2025: 5.87 ft

No National Weather Service alert covering Plaquemines Parish was active when this page was generated (Oct 27, 2026 at 2:35 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

Hourly averages of the Corps' readings. The shaded band is this gauge's usual range: the middle 80% of its readings since September 30, 2025.

How to read this gauge

The number is the water surface elevation in feet on NAVD88, the current national vertical datum: a height above a fixed survey reference, not a depth. Readings on different datums can't be compared directly.

Daily highs and lows since September 30, 2025

Other Corps gauges in New Orleans and the Northshore

Corps gauge	Stage	Datum	NWS flood stage	Updated
Bayou Segnette Sector Gate – Flood Side	1.61 ft	NAVD88	—	28 hours ago
Bayou Segnette Sector Gate – Protected Side	1.51 ft	NAVD88	—	28 hours ago
GIWW near Paris Road Bridge	1.17 ft	NAVD88	—	3 hours ago
Harvey Canal at Lapalco Blvd	1.32 ft	NAVD88	—	28 hours ago
IHNC Surge Barrier East / Flood Side	1.50 ft	NAVD88	—	28 hours ago
IHNC Surge Barrier West / Protected Side	1.66 ft	NAVD88	—	28 hours ago
Inner Harbor Navigation Canal at New Orleans	1.29 ft	NAVD88	—	2 hours ago
Lake Pontchartrain at Lakefront Airport	1.83 ft	NAVD88	—	2 hours ago
Mississippi River South Pass at Port Eads	1.25 ft	NAVD88	—	2 hours ago
Mississippi River Southwest Pass Mile 7.5 BHP	1.87 ft	NAVD88	—	10 days ago
Mississippi River Southwest Pass at East Jetty	1.60 ft	NAVD88	—	2 hours ago
Mississippi River at Bonnet Carre	3.98 ft	NGVD29	—	3 hours ago
Mississippi River at Empire	1.09 ft	NAVD88	—	2 hours ago
Mississippi River at Harvey Lock	3.01 ft	NGVD29	—	2 hours ago
Mississippi River at IHNC Lock	1.80 ft	NAVD88	—	2 hours ago
Mississippi River at New Orleans (Carrollton)	3.04 ft	local	14.0 ft below minor flood stage	3 hours ago
Mississippi River at Reserve	4.29 ft	NGVD29	—	3 hours ago
Mississippi River at Venice	0.79 ft	NAVD88	—	3 hours ago
Mississippi River at West Bay	0.83 ft	NAVD88	—	2 hours ago
Mississippi River at West Pointe a la Hache	0.98 ft	NAVD88	—	2 hours ago
Seabrook Bridge – Inner Harbor Navigation Canal	1.44 ft	NAVD88	—	3 hours ago
Sellers Canal at Hwy 90	2.16 ft	local	—	3 hours ago
Walker Drainage Structure – Protected Side	-0.84 ft	local	—	28 hours ago
Western Tie-In Sector Gate – Flood Side	1.14 ft	NAVD88	—	28 hours ago
Western Tie-In Sector Gate – Protected Side	1.35 ft	NAVD88	—	28 hours ago

Download the readings

mississippi-river-at-alliance.csv (CSV): every reading from the last 90 days, 2,159 rows, with time in UTC and Central, and stage in feet on NAVD88.

mississippi-river-at-alliance-daily.csv (CSV): the low and high of every day since September 30, 2025.

Source. Stage and flood-fight phases from the U.S. Army Corps of Engineers, New Orleans District; flood stages from the National Weather Service. Recent readings are provisional and can be revised. This site is not affiliated with either.