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2/12/2024

WT Staff



HAPPENING NOW
Ville Platte planned outage and BWA Monday Feb 12
Calcasieu River flooding near Glenmora again

Water news for Mondy, February 12, 2024 - 357 pm CST

Drinking Water Matters
Ville Platte BWA today for all customers experiencing service outage as planned water tower maintenance is carried out today. The water tower will be drained and refilled today, Monday February 12. When water service is restored, boiling will be necessary for a time to ensure no microbiological contamination. The BWA will be in effect until potable water testing confirms the system good to go.

Flood Update from USGS real-time streamflow monitoring stations throughout Louisiana

Three streamflow gauges are sending extreme flow 99th percentile values Monday afternoon while five waterways register active flooding statewide.

In Region 1, Bayou Dorcheat flow is back into an upward trend since rain over the weekend. Flow level measured near Springhill is back near a foot and a half over flood stage Monday late morning. Bayou Bodcau also picked up a higher level overnight, up over nine feet past flood stage, a gain of three inches over the last twenty four hours near Shreveport.

Watershed Region 4 Calcasieu River breached flood stage near Glenmora again, overflowing around 1030 am this morning. As of the Monday afternoon update, the flow near Glenmora is two and a half inches over flood stage and rising. Sabine River continues to hold the same level, six inches over flood stage near Ruliff, TX.

Pearl River is still flooding at Pearl River monitoring site, the water level came down a few inches today, flowing nine inches over flood stage Monday afternoon.

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 11 at wind speed 3.3 mph. This image is completely cloud covered, just like the image from Feb 10. Another recent image taken Feb 9 at 5.8 mph gives a clear view, we will go with that for today's interpretation.

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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