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Hydrograph River at a Glance Download
Amite River Basin at Bayou Manchac near Little Prairie Stage (ft)Flow (kcfs)Observed: 2.54 ft at 1:00AM Jul 10, 2020Observed: 2.53 ft at 1:15AM Jul 10, 2020Observed: 2.52 ft at 1:30AM Jul 10, 2020Observed: 2.51 ft at 1:45AM Jul 10, 2020Observed: 2.5 ft at 2:00AM Jul 10, 2020Observed: 2.5 ft at 2:15AM Jul 10, 2020Observed: 2.49 ft at 2:30AM Jul 10, 2020Observed: 2.48 ft at 2:45AM Jul 10, 2020Observed: 2.47 ft at 3:00AM Jul 10, 2020Observed: 2.46 ft at 3:15AM Jul 10, 2020Observed: 2.46 ft at 3:30AM Jul 10, 2020Observed: 2.45 ft at 3:45AM Jul 10, 2020Observed: 2.44 ft at 4:00AM Jul 10, 2020Observed: 2.43 ft at 4:15AM Jul 10, 2020Observed: 2.42 ft at 4:30AM Jul 10, 2020Observed: 2.42 ft at 4:45AM Jul 10, 2020Observed: 2.42 ft at 5:00AM Jul 10, 2020Observed: 2.41 ft at 5:15AM Jul 10, 2020Observed: 2.41 ft at 5:30AM Jul 10, 2020Observed: 2.4 ft at 5:45AM Jul 10, 2020Observed: 2.39 ft at 6:00AM Jul 10, 2020Observed: 2.38 ft at 6:15AM Jul 10, 2020Observed: 2.37 ft at 6:30AM Jul 10, 2020Observed: 2.36 ft at 6:45AM Jul 10, 2020Observed: 2.35 ft at 7:00AM Jul 10, 2020Observed: 2.35 ft at 7:15AM Jul 10, 2020Observed: 2.34 ft at 7:30AM Jul 10, 2020Observed: 2.33 ft at 7:45AM Jul 10, 2020Observed: 2.31 ft at 8:00AM Jul 10, 2020Observed: 2.3 ft at 8:15AM Jul 10, 2020Observed: 2.3 ft at 8:30AM Jul 10, 2020Observed: 2.29 ft at 8:45AM Jul 10, 2020Observed: 2.27 ft at 9:00AM Jul 10, 2020Observed: 2.26 ft at 9:15AM Jul 10, 2020Observed: 2.25 ft at 9:30AM Jul 10, 2020Observed: 2.23 ft at 9:45AM Jul 10, 2020Observed: 2.22 ft at 10:00AM Jul 10, 2020Observed: 2.21 ft at 10:15AM Jul 10, 2020Observed: 2.19 ft at 10:30AM Jul 10, 2020Observed: 2.18 ft at 10:45AM Jul 10, 2020Observed: 2.17 ft at 11:00AM Jul 10, 2020Observed: 2.15 ft at 11:15AM Jul 10, 2020Observed: 2.14 ft at 11:30AM Jul 10, 2020Observed: 2.12 ft at 11:45AM Jul 10, 2020Observed: 2.1 ft at 12:00PM Jul 10, 2020Observed: 2.09 ft at 12:15PM Jul 10, 2020Observed: 2.07 ft at 12:30PM Jul 10, 2020Observed: 2.06 ft at 12:45PM Jul 10, 2020Observed: 2.05 ft at 1:00PM Jul 10, 2020Observed: 2.03 ft at 1:15PM Jul 10, 2020Observed: 2.02 ft at 1:30PM Jul 10, 2020Observed: 2.01 ft at 1:45PM Jul 10, 2020Observed: 1.99 ft at 2:00PM Jul 10, 2020Observed: 1.98 ft at 2:15PM Jul 10, 2020Observed: 1.97 ft at 2:30PM Jul 10, 2020Observed: 1.95 ft at 2:45PM Jul 10, 2020Observed: 1.94 ft at 3:00PM Jul 10, 2020Observed: 1.94 ft at 3:15PM Jul 10, 2020Observed: 1.92 ft at 3:30PM Jul 10, 2020Observed: 1.91 ft at 3:45PM Jul 10, 2020Observed: 1.9 ft at 4:00PM Jul 10, 2020Observed: 1.89 ft at 4:15PM Jul 10, 2020Observed: 1.87 ft at 4:30PM Jul 10, 2020Observed: 1.86 ft at 4:45PM Jul 10, 2020Observed: 1.85 ft at 5:00PM Jul 10, 2020Observed: 1.84 ft at 5:15PM Jul 10, 2020Observed: 1.83 ft at 5:30PM Jul 10, 2020Observed: 1.82 ft at 5:45PM Jul 10, 2020Observed: 1.81 ft at 6:00PM Jul 10, 2020Observed: 1.8 ft at 6:15PM Jul 10, 2020Highest Observation: 6.94 ft at 8:30AM Jul 14, 2020Highest Observation: 6.94 ft at 8:45AM Jul 14, 2020Highest Observation: 6.94 ft at 9:00AM Jul 14, 2020Highest Observation: 6.94 ft at 9:15AM Jul 14, 2020Highest Observation: 6.94 ft at 9:30AM Jul 14, 2020Highest Observation: 6.94 ft at 9:45AM Jul 14, 2020Highest Observation: 6.94 ft at 10:00AM Jul 14, 2020Highest Observation: 6.94 ft at 10:15AM Jul 14, 2020Highest Observation: 6.94 ft at 10:30AM Jul 14, 2020Highest Observation: 6.94 ft at 10:45AM Jul 14, 2020Highest Observation: 6.94 ft at 11:00AM Jul 14, 2020Highest Observation: 6.94 ft at 11:15AM Jul 14, 2020Highest Observation: 6.94 ft at 11:30AM Jul 14, 2020Highest Observation: 6.94 ft at 11:45AM Jul 14, 2020Highest Observation: 6.94 ft at 12:00PM Jul 14, 2020Highest Observation: 6.94 ft at 12:15PM Jul 14, 2020Highest Observation: 6.94 ft at 12:30PM Jul 14, 2020Highest Observation: 6.94 ft at 12:45PM Jul 14, 2020Highest Observation: 6.94 ft at 1:00PM Jul 14, 2020Highest Observation: 6.94 ft at 1:15PM Jul 14, 2020Highest Observation: 6.94 ft at 1:30PM Jul 14, 2020Highest Observation: 6.94 ft at 1:45PM Jul 14, 2020Highest Observation: 6.94 ft at 2:00PM Jul 14, 2020Highest Observation: 6.94 ft at 2:15PM Jul 14, 2020Highest Observation: 6.94 ft at 2:30PM Jul 14, 2020Highest Observation: 6.94 ft at 2:45PM Jul 14, 2020Highest Observation: 6.94 ft at 3:00PM Jul 14, 2020Highest Observation: 6.94 ft at 3:15PM Jul 14, 2020Highest Observation: 6.94 ft at 3:30PM Jul 14, 2020Highest Observation: 6.94 ft at 3:45PM Jul 14, 2020Highest Observation: 6.94 ft at 4:00PM Jul 14, 2020Highest Observation: 6.94 ft at 4:15PM Jul 14, 2020Highest Observation: 6.94 ft at 4:30PM Jul 14, 2020Highest Observation: 6.94 ft at 4:45PM Jul 14, 2020Highest Observation: 6.94 ft at 5:00PM Jul 14, 2020Highest Observation: 6.94 ft at 5:15PM Jul 14, 2020Highest Observation: 6.94 ft at 5:30PM Jul 14, 2020Highest Observation: 6.94 ft at 5:45PM Jul 14, 2020Highest Observation: 6.94 ft at 6:00PM Jul 14, 2020Highest Observation: 6.94 ft at 6:15PM Jul 14, 2020Highest Observation: 6.94 ft at 6:30PM Jul 14, 2020Highest Observation: 6.94 ft at 6:45PM Jul 14, 2020Highest Observation: 6.94 ft at 7:00PM Jul 14, 2020Highest Observation: 6.94 ft at 7:15PM Jul 14, 2020Highest Observation: 6.94 ft at 7:30PM Jul 14, 2020Highest Observation: 6.94 ft at 7:45PM Jul 14, 2020Highest Observation: 6.94 ft at 8:00PM Jul 14, 2020Highest Observation: 6.94 ft at 8:15PM Jul 14, 2020Highest Observation: 6.94 ft at 8:30PM Jul 14, 2020Highest Observation: 6.94 ft at 8:45PM Jul 14, 2020Highest Observation: 6.94 ft at 9:00PM Jul 14, 2020Highest Observation: 6.94 ft at 9:15PM Jul 14, 2020Highest Observation: 6.94 ft at 9:30PM Jul 14, 2020Highest Observation: 6.94 ft at 9:45PM Jul 14, 2020Highest Observation: 6.94 ft at 10:00PM Jul 14, 2020Highest Observation: 6.94 ft at 10:15PM Jul 14, 2020Highest Observation: 6.94 ft at 10:30PM Jul 14, 2020Highest Observation: 6.94 ft at 10:45PM Jul 14, 2020Highest Observation: 6.94 ft at 11:00PM Jul 14, 2020Highest Observation: 6.94 ft at 11:15PM Jul 14, 2020Highest Observation: 6.94 ft at 11:30PM Jul 14, 2020Highest Observation: 6.94 ft at 11:45PM Jul 14, 2020Highest Observation: 6.94 ft at 12:00AM Jul 15, 2020Highest Observation: 6.94 ft at 12:15AM Jul 15, 2020USGS--Water Resources of the United StatesBMPL1(plotting HGIRG) Graph Created (12:53AM Jul 15, 2020)ObservedLatest observed value: 6.94 ft at 12:15 AM CDT 15-Jul-2020. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Amite River Basin at Bayou Manchac near Little Prairie are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Bayou Manchac Point Upstream Gauge Downstream Gauge Downstream Gauge - at Port Vincent
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 21.49 ft on 08/15/2016
(2) 16.92 ft on 06/10/2001
(3) 16.83 ft on 01/28/1990
(4) 16.38 ft on 01/23/1993
(5) 14.78 ft on 03/14/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.70 ft on 05/13/2019
(2) 8.91 ft on 01/30/2018
(3) 8.23 ft on 01/23/2017
(4) 21.49 ft on 08/15/2016
(5) 14.78 ft on 03/14/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.41 ft on 05/20/1993
(2) 0.95 ft on 12/18/1998
(3) 1.50 ft on 10/09/2000
(4) 1.66 ft on 03/01/2011

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
18.5 Widespread flooding will occur with hundreds of homes impacted. Evacuations will be necessary. Water will inundate most neighborhood streets and portions of LA Highway 42 will be impassable. Water will also rise on Muddy Creek and Roddy Bayou, along with other local waterways.
18.3 Flood of Record measured 18.33 feet and occurred on August 14, 2016.
17 Major flooding will occur for many homes and roads near Bayou Manch. Water will spread over neighborhoods around Muddy Creek, with some sections of LA Highway 42 impacted.
15 Muddy Creek Road will become impassible with water over the bridge at Muddy Creek. There will be major flooding of homes along both Oak Harbor and Muddy Creek Roads.
14 Oak Harbor Road will become impassible. There will be major flooding of homes along Oak Harbor Road. Muddy Creek Road will flood.
12 Water will cover Oak Harbor Road. Moderate flooding of some homes along Oak Harbor Road can be expected. Muddy Creek will back up and flood property along Muddy Creek Road.
10 Flooding will begin on property along Oak Harbor Road. Some homes will sustain minor flood damage.
About This Location Collapse

Latitude: 30.340278° N, Longitude: 90.917222° W, Horizontal Datum: Unknown

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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Page last modified: 4-Mar-2019 11:29 PM
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