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2/21/2024
WT Staff
HAPPENING NOW
Morehouse Parish BWA
Bayou Dorcheat flooding ends near Springhill
Water news for Wednesday, February 21, 2024 - updated 1257 pm CST
Drinking Water Matters
Morehouse Parish is under boil water advisory issued by Waterworks No.1 on February 20. This BWA applies to customers connecting at Alsam, Gill, Antioch, Bunk Goyne Cooper Lake, Kenny Kimball, and Peach Orchard Roads, and States, Oklahoma, United, Arkansas Streets, until further notice.
Belle Chasse advises of a water service outage Feb 20 followed by boil water advisory for Omega and Lambda Streets. A main line water valve was repaired during the outage. The BWA applies until further notice.
St. James Parish West Bank is under boil water advisory following a water line break Tuesday. BWA applies until further notice.
Flood Update from USGS real-time streamflow monitoring stations throughout Louisiana
Below normal and much below normal streamflows are registering in more locations throughout Louisiana midweek while five monitoring locations continue with flood values.
Bayou Dorcheat stopped overflowing this morning around 11 am near Springhill, ending flooding that has gone on for weeks. Bayou Bodcau is down overnight, currently less than eight feet above flood stage near Shreveport and declining.
Watershed Region 4 Calcasieu River flow has come down half a foot overnight, just six inches over flood stage near Glenmora and receding. Sabine River is down just slightly, six inches above flood stage near Ruliff, TX.
Pearl River flow is slowly receding near Bogalusa, currently running just ove4r two feet past flood stage. Floodwater is up overnight at Pearl River, currently a foot and ten inches above flood stage and still rising slightly.
Check black tags on the map for flood levels, provisional data courtesy of the USGS streamflow sensors placed into LA rivers, bogues and bayous.
Drought Map from USGS 7-day average streamflows compared to historic averages
Tangipahoa Parish is back on the drought map as of Tuesday, Feb 20 at below normal rating. The is the first area of Louisiana to be rated on the drought map since prior to Jan 28.
HAB Update from National Centers for Coastal Ocean Science
The latest sat photo from NCCOS was taken Feb 20 at wind speed 3.3 mph. This image is a mostly clear view of the southeast Louisiana water bodies.
HABs show up in Lac des Allemands and Bayou Fortier in this image, open water HABs at moderate concentration 100 thousand cells per 100 ml. Inland water bodies of Black Bay still show the same widespread high concentration HABs 800 to 900 thousand cells per 100 ml.
Lake Pontchartrain, Lake Maurepas, Lake Cataouache, Lake Salvador, Lake Lery appear HAB-free. Lake Verret and Lake Palourde are cloud obscured.
Note WaterToday reports day-to-day changes recorded by USGS streamflow monitors on rivers and tributaries located in Louisiana, along with monitors upstream in the Mississippi River basin: Ohio, Georgia and southwest New York state. USGS creates a drought map from 7-day average streamflow readings, by comparing the average with the historic weekly normal flow value for each location. The drought ratings are below normal, moderate hydrologic drought, severe drought and extreme drought.
USGS Provisional Data Statement
Data are provisional and subject to revision until they have been thoroughly reviewed and received final approval. Current condition data relayed by satellite or other telemetry are automatically screened to not display improbable values until they can be verified.
Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site. Subsequent review based on field inspections and measurements may result in significant revisions to the data.
Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Information concerning the accuracy and appropriate uses of these data or concerning other hydrologic data may be obtained from the USGS.
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