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3/21/2024
WT Staff
HAPPENING NOW
Lake Salvador HAB
Abita Springs BWA
Water news for Thursday, March 21, 2024 1150 am CDT
Drinking Water Advisories
St. Tammany Parish No. 2 Abita Springs issued a BWA for the Abita Nursery Subdivision following a water main break Tuesday. The boil order applies to rate-payers with connections on Violet, Success, Progress, Pansy, Daisey, Jasmine, Dhalia and Carnation Streets.
St Landry Parish - The Village of Washington announced a system wide BWA this week Tuesday.
Check the yellow tags on the map for details.
Flooding in the USA provisional data from USGS streamflow monitors
Twenty-one stream gauges record flood stage in continental USA Thursday morning, the same number as yesterday at our last update.
WT is currently tracking flooding at fourteen of these locations, including six right here in Louisiana.
Louisiana marks another day of flooding in Regions 1, 4 and 7 Thursday. Rivers are roaming out of their courses on the east side and west side of the state again today, six monitoring stations supplying the provisional data for this report. After the spring equinox, Bayou Dorcheat is still flooding near Springhill and downstream Minden. Bayou Bodcau is overflowing near Shreveport. Pearl River is still out of the channel near Bogalusa and at the municipality of Pearl River.
See the black tags on the map for updated flood flow values, updated daily.
New York State has a coastal flood monitor signalling Reynolds Channel running above flood stage at Point Outlook on the east end of Long Beach Barrier Island. Provisional data to be confirmed, more to follow.
March has been a month of heavy flooding in Georgia. As of this update, three rivers are still running over in the south. Ogeechee River flooding ended this morning near Eden. Satilla River is still up two inches over flood stage at Atkinson. Altamaha River is starting to slow down at the top end near Charlotteville while Savannah River thinks about turning back into the channel at Burtons Ferry Road. Altamaha and Satilla are still rising near the outlets as the bulk of flood water moves on through to the Atlantic.
See black tags on the map for flood levels updated daily and a running timeline of the March 2024 flood event here: WaterToday Georgia
Ohio is not contributing to the flood conversation this morning, the current streamflows in Ohio are normal to much below normal.
Drought Map USGS 7-day average streamflow against seasonal average
Region 4 is showing up mostly below normal with moderate hydrologic drought holding on to the Calcasieu River channel through northeast Vernon, southwest Rapides, central and southwest Allen, northeast Calcasieu and northwest Jefferson Parishes.
Harmful Algal Bloom HABs from National Centers for Coastal Ocean Science (NCCOS) satellite monitoring program
The latest clear image supplied by NCCOS was captured March 19 at a wind speed 14 mph. This image is crystal clear, all water bodies can be observed at shorelines and open water. The only HAB activity showing in this image is widespread through Black Bay, at the high concentration 700 thousand cells per 100 ml.
In the image from March 18, we observed HABs in Lac des Allemands, Bayou Fortier and Lake Salvador, 100-200 thousand cells per 100 ml.
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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