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8/28/2024
WT Staff
 August 28, 2024 1055 am CDT
Mound, Bastrop BWA
Safe Drinking Water Advisories
Madison Parish: A BWA issued yesterday for the Village of Mound, served by the East Richland Water facility impacts customers connecting on Section Road, North of Interstate 20, until further notice.
Terrebonne Parish: A BWA was issued Monday for customers along Hwy 56 from 7719 Hwy 56 to the end of the road, including Red Fish St and Waterfront Dr and Coco Marina, until further notice.
Morehouse Parish: A BWA issued yesterday applies to the City of Bastrop. The cause is cited as a "water problem" on Old Bonita Road.
Streamflow Situation from the network of USGS streamflow gauges in the USA
Four sites in the reference network record flows above minor flood stage midweek, three in Florida and one in South Carolina. Louisiana has no active floodings, three streamflow gauges record extreme low water levels for this time of year, two in the northeast and one in Tangipahoa Parish. The west half of the State continues to flow at seasonal normal levels, the drought rated area is limited to a small area of Region 3, a small area of Region 5 watershed and a part of Region 7 watershed, rated below normal. Tangipahoa Parish is rated extreme drought based on 7 day average streamflow in the Tangipahoa River for this time of year.
WT HAB Tracker from the satellite monitoring program of the NOAA National Centers for Coastal Ocean Science(NCCOS) and State sources where available
Louisiana: The latest image of Lake Pontchartrain and southeast Louisiana water bodies captured August 27 at an estimated wind speed 11.7 mph. This image is mostly clear, showing Lakes Pontchartrain and Maurepas with no HAB activity evident. Bayou Fortier and Lac des Allemands lakewide HABs 2 to 3 million cells, Bayou des Deux Chenes 900 thousand to 1 million cells. Lake Fields lakewide HAB is 1 to 2 million cells per ml. Lakes Verret and Palourde are cloud obscured, the prior image showed lakewide HABs 900 thousand to 1 million cells per 100 ml lakewide blooms.
Georgia
Cyanobacteria cell counts are in for locations in Ocean Pond, Lake Blackshear, Walter F George Reservoir and more. Lake Burton has the highest cell count so far, over 500 thousand cells per ml in an estimate from April 20, 2024. Next is Alexanders Landing in Walter F George Reservoir, measured around 125 thousand cells per ml in early June this year. More to follow as we work through the Cyanobacterial Assessment Network (CyAN) collected data for the major water bodies in Georgia.
New York
The HAB notifications dashboard more than doubled yesterday with the addition of 132 new bluegreen reports confirmed all over the state. HABs reported prior to August 15 have been removed to the archives, 609 HABs retired during the 2024 season. The latest impacted water body list is available here, updates are in progress.
A nice clear shot of Lake Champlain provided by the NCCOS August 27 shows the northeast water with a high concentration bloom along the north shoreline, the concentration appears a match for 3 million cells per ml. Lake Carmi is full of the bluegreen algae at the 900 thousand to 1 million cells per ml concentration. Water east of Shelburne Bay, likely Shelburne Pond, lakewide HAB 3 million cells. The Lake Champlain image is cloud obscured south of Baie Missisquoi, a prior image captured Aug 26 showed hot spots in the channel near Alburg-Swanton bridge, another at the north end of North Hero Island, up to 2 million cells per ml. The majority of the bloom matches 900 thousand to 1 million cells per 100 ml. See the NCCOS color images, here.
Lake Erie west basin
A clear image from NCCOS August 26 shows the Lake Erie HAB has taken on the shape of a goose. The neck and head reach up into Canadian water the beak approximately 8 nm of shore south of Leamington. The tail touches Stony Point north of Monroe, theconcentration of the head, neck, back and tail running around the 300 thousand cells concentration. The belly is 1 million cells per ml along the Ohio shoreline from the east side of Cedar Point National Wildlife Refuge along Reno Beach to Magee Marsh Wildlife area. The orange feet of the goose are planted in Maumee May at Toledo and Maumee Bay State Park, appearing to match the color scale at concentration 2 to 4 million cells. See the bluegreen goose here.
The narrow band of HAB spotted in the August 25 capture is again seen along shore past Camp Perry to Port Clinton. Bluegreen remains in the east side marinas of Catawba Island, dispersed HABs north and east from Kelleys Island occupy an area of the Canadian water running a moderate concentration below 200 thousand cells per ml. Sandusky Bay Aphanizomenon HAB has moved out of the inner bay water and bunched up east of OH-269 bridge, the concentration matches color scale for 600 thousand cells per ml.
California
The freshwater Recent HAB Bloom Update came out Friday August 23 with one HAB DANGER-level advisory applied to Lindo Lake in San Diego County. This advisory for algal toxin states toxins in this water can harm people and kill fish. The posted signage specifies cautions including no swimming, no wading, no consuming of fish or shellfish caught in these waters. Three HAB Warning advisories have been issued for Weist Lake, Crowley Lake Marina and Guajome Lake. The HAB warning advisory carries the same caption as the danger advisory, with the exception that fish fillets cleaned with tap water or bottled water and properly cooked can be consumed. This water is still not considered safe for wading or swimming, and shellfish should not be consumed. Note that water containing HABs likely also contains toxins, the water cannot be made safe for consumption by boiling.
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