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2/15/2024
WT Staff
HAPPENING NOW
Terrebonne BWA
Bayou Dorcheat, Sabine River up overnight
Water news for Thursday, February 15, 2024 - 1023 am CST
Drinking Water Matters
Terrebonne Parish has 221 customers boiling water since yesterday. Customers of Consolidated Waterworks District No. 1 connecting along Four Point Road are affected by the BWA, in force until further notice.
Richland Parish issued a boil water advisory Feb 13 for customers at 148-260 Red Bird Road, 43-170 Weems Road, and 170 Dairy Road, effective until further notice.
Breaux Bridge Mayor's Office issued a system wide BWA following a loss of pressure Tuesday. The BWA applies until potable water testing determines the supply safe.
Flood Update from USGS real-time streamflow monitoring stations throughout Louisiana
Pearl River jumped the channel around 11 last night near Bogalusa after a four-day flood hiatus. As of this report, Pearl River is running half a foot over near Bogalusa and on a steady upward flow trend.
Regions 1 and 4 each have the same two waterways flowing above flood stage Thursday.
In Region 1, Bayou Dorcheat flow peaked overnight and is trending back down again by Thursay forenoon. The provisional data shows the level presently two and a half feet above flood stage and tapering off near Springhill. Bayou Bodcau got a hair below the nine foot above flood stage overnight, the trend is going in the right direction for the first time this week.
Watershed Region 4 Calcasieu River flow spiked sharply upward overnight, running a foot and 10 inches over flood stage near Glenmora Thursday. Also in Region 4, Sabine River increased overnight, running nine inches over flood stage near Ruliff, TX.
Streamflows range from normal to much above normal throughout the state.
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
Louisiana drought map remains blank since Sunday, Jan 28.
HAB Update from National Centers for Coastal Ocean Science
The latest sat photo from NCCOS was taken yesterday, Feb 12 at wind speed 8.6 mph. This image is completely cloud covered, as the last few images have also been obscured by clouds. An image captured Feb 9 at 5.8 mph gives a clear view of the southeast water bodies, see the results on the HABs button to the right of the map, or bluegreen tag on the map.
Lake Pontchartrain, Lake Maurepas, Lac des Allemands, Bayou Fortier, Lake Cataouache, Lake Salvador appear HAB-free. Lake Lery appears as earlier in the week with widespread HAB in the east end 800 to 900 thousand cells per 100 ml.
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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