Louisiana coast water levels
160 USGS stream gauges in 30 parishes, in 5 regions
| Region | Gauges | At or above NWS flood stage | Nearest an NWS flood stage |
|---|---|---|---|
| Lake Charles and Southwest Louisiana | 18 | 0 | Mermentau River at Mermentau (2.1 ft below minor flood stage) |
| Lafayette and Acadiana | 41 | 0 | Vermilion Bay near Cypremort Point (1.4 ft below minor flood stage) |
| Baton Rouge | 48 | 0 | Amite River at Highway 22 near Maurepas (1.5 ft below minor flood stage) |
| Houma–Thibodaux | 9 | 0 | — |
| New Orleans and the Northshore | 44 | 0 | Bogue Falaya River at Boston St. at Covington (4.3 ft below minor flood stage) |
The regions
Lake Charles and Southwest Louisiana: Allen, Beauregard, Calcasieu, Cameron and Jefferson Davis parishes.
Lafayette and Acadiana: Acadia, Iberia, Lafayette, St. Landry, St. Martin, St. Mary and Vermilion parishes.
Baton Rouge: Ascension, East Baton Rouge, Iberville, Livingston and St. Helena parishes.
Houma–Thibodaux: Assumption, Lafourche and Terrebonne parishes.
New Orleans and the Northshore: Jefferson, Orleans, Plaquemines, St. Bernard, St. Charles, St. James, St. John the Baptist, St. Tammany, Tangipahoa and Washington parishes.
The area is the coastal parishes and their neighbours. Every gauge here is a U.S. Geological Survey gauge reporting gage height. A few USGS sites report two gage heights at once (above and below a structure, or two sensors) without marking one as primary; those are left out rather than guessed. Every state