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9/27/2024
WT Staff
 Drinking water comments, questions or concerns? Give us a call at 877-52-WATER (877-529-2837), or email us at info@wtla.us
September 27, 2024 856 am CDT
Drought creeping back in to Region 7 watershed
Another clear, sunny day in New Orleans, Louisiana missing the effects of impact of the weather activity hammering the southeast USA. Helene struck the Big Bend region of Florida's Gulf Coast around 10 pm CDT last night as a Category 4 Hurricane with sustained internal wind speeds above 140 mph causing storm surge and flooding over a wide area. Helene has slowed over land, classified as a Tropical Storm, currently battering central Georgia, the Atlanta area experiencing flash flooding on all monitored creeks and rivers in the reference network. Chattahoochee River is flowing several feet above flood stage in and around Atlanta this hour. From the National Hurricane Center, Despite the downgrade, Helene remains a dangerous storm system capable of producing damaging winds and flooding rainfall. Tree and power line
damage are still expected over parts of eastern Georgia. An
additional 2 to 5 inches of rainfall are possible with the highest
totals expected over the higher terrain of northern Georgia.
Significant river flooding is ongoing in parts of Georgia and
additional river flooding is expected.
No impacts of Helene are expected for Louisiana.
Streamflow Situation from the network of USGS streamflow gauges in Louisiana
Current streamflows run mostly normal Friday with a few stations sitting with much below seasonal normal water levels. A low flow level continues from Arkansas, Bayou Macon sending low volume through Region 3 watershed supporting extreme drought along Tensas River channel. Below normal ratings expanding in watershed Region 3 into Concordia Parish. Region 7 watershed is back on the drought map, below normal through the Tangipahoa Parish. Region 5 watershed remains below normal through Evangeline and Acadia Parishes. Region 3 watershed areas still rated below normal as reported earlier this week includes East Union, a corner of west Morehouse, Ouachita, Jackson, Winn, Caldwell and north Catahoula Parishes. No flooding or high flows recorded as of this report.
WT HAB Tracker from the satellite monitoring program of National Centers for Coastal Ocean Science (NCCOS)
The latest image of Lake Pontchartrain and the southeast water bodies is dated Sep 26, taken at wind speed 18.8 mph. This image is mostly clear, Lakes Pontchartrain and Maurepas well visible with no HAB activity observed. Lake Verret widespread HAB in the south end high concentration 700 to 800 thousand cells per ml. Lake Palourde widespread HABs in the west half 700 to 800 thousand cells per ml. Bayou Fortier and Lac des Allemands again appear HAB free. Lake Salvador supports small dispersed HAB mats throughout open water, 400 thousand cells per ml. See the latest satellite image of southeast LA water bodies, here.
Safe Drinking Water Advisories
Acadia Parish: Church Point experienced a system-wide water outage followed by a Boil Water Advisory impacting the whole town on Tuesday. The BWA came about as the necessary precaution that must follow any service disruption or loss of pressure in the water lines, construction activities have been ongoing.
Lafayette Parish: Carencro water customers connected on Catholique Rd between Equipment Lane and St. Esprit Road came under a Boil Water Advisory following a waterline break on Tuesday. This BWA will remain until further notice.
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