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11/29/2023
WT Staff
HAPPENING NOW
Monterey under BWA
HABs blaze on in Lake Verret
Tuesday, November 28, 2023 - last updated 3:54 pm CST
Drought Situation from USGS 7-day average streamflows
Region 2 has come up on the drought map as an area below normal flows Tuesday. Most of Jackson and Winfield, with west Caldwell Parish are included in the new rating today, seeing the average streamflow levels over the past week are below what is normal for this area on this date. Another new below normal rating is showing up for the Lower Tensas River in Region 3, including Concordia Parish, south Catahoula and north Avoyelles Parishes. South from here, Region 5 watershed area is rated moderate drought to the Gulf Coast. Saline Bayou channel in Watershed Region 1 is rated severe drought today, as is the Tangipahoa River channel through Tangipahoa County, escalated back to severe after a short reprieve in conditions around Thanksgiving.
Watershed Region 4 remains largely in moderate drought with the west side at below normal status. Region 3 Tensas River channel is not drought rated. Land to the east of Tensas River to the Mississippi is still rated moderate drought today. The Tangipahoa River watershed in region 7 remains at severe drought rating, stepped down from extreme rating for most of the summer and fall so far.
As of Tuesday morning, three USGS streamflow gages are recording low flows. Tangipahoa River is flowing low at Robert, Tensas River is low again at Tendal, Saline Bayou is flowing low near Lucky in watershed Region 1.
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.
Boil Water Advisories:
Magnolia Water has issued a BWA following a power outage and water service disruption on the weekend. Customers connecting in Monterey are being asked to boil their water until further notice.
Leesville BWA remains in effect for customers on North 5th St. at Hwy 171 to Kimberly Dr. and Herring St. to Hwy 468 at Lula St. until further notice.
DeRidder issued a BWA following a water main break and repair Sunday. Customers connecting on MLK Drive, Young Street, Alexander Street, Lewis Avenue, Cedar Street, Ollie Street, WW Batties Drive, Elton Mango Drive, Davis Street, Rock Street, Oak Street, Elm Street, Vine Street, Louise Street, Los Angeles Street, California Street, St. Edwards Street, St. James Street, Ransom Street, King Street and Johnny Joe Lane are to boil water until further notice.
Mandeville has issued a BWA following an unplanned service outage yesterday, impacting 135 homes in one subdivision. More to follow.
Refer to yellow tags on the map for more BWAs in effect in the state of Louisiana. Also see the latest EPA Safe Drinking Water Act list of Serious Violators under the SDWA button to the right of the map.
Hazardous Spills emergency and non-emergency incidents reported to Louisiana Department of Environmental Quality
The US Coast Guard, Main Pass Oil Gathering Company, LLC and the Louisiana Oil Spill Coordinator's Office have established a Unified Command in response to a crude oil release in the Gulf of Mexico near the Main Pass Oil Gathering (MPOG) company's pipeline system close to Plaquemines Parish, southeast of New Orleans, Louisiana, Thursday November 17.
The last news from Unified Command in a press briefing Nov 21, "According to the Coast Guard, remote operated vehicles were deployed last week to continue to survey the pipeline and no sources have been found. The Coast Guard will continue to survey the pipeline and determine the source of the release. No injuries or shoreline impacts have been reported at this time."
An estimated 1.1 million gallons of crude oil have leaked from a pipeline since the pressure drop was detected November 17. More to follow.
HABs Report from National Centers for Coastal Ocean Science (NCCOS) satellite monitoring program
A new image captured Monday, November 27 is mostly clear, offering a good look at Lake Pontchartrain, Lake Verret and Lac des Allemands HABs. Lake Verret appears to glow with a high concentration HAB from shore to shore 900 thousand to 1 million cells per 100 ml. The north shoreline is the one place that appears clear of HAB in the latest image.
Lake Pontchartrain has appeared clear of HAB activity all month, now shows widespread HAB in open water in the northeast quarter at a moderate concentration around 100 thousand cells per 100 ml. Lac des Allemands is partially cloud obscured, with HAB visible in open water at the center of the water body measuring 800 to 900 thousand cells per 100 ml. Lake Salvador appears spackled with HABs of 500 thousand cells per 100 ml concentration.
Bluegreen location tags on our map give the interpretation of the last clear image available.
Note about hazardous spill incident reporting, from LDEQ: Information contained in the Field Interview form is the preliminary observation of the inspector. This should not be construed as a final determination of LDEQ, its officers or personnel as to any matter, including compliance or non-compliance with statutes, regulations and permits.
Each day of non-compliance is considered a separate violation of the Louisiana Environmental Quality Act.
See the pink tags on the map with the watershed layer turned on, showing the potential impact zone of hazardous spills in the environment. Refer to the Spills button on the right of the map for more incident reports filed this year.
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