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3/28/2024
WT Staff
HAPPENING NOW
Satilla River flooding at Atkinson
Grand Oaks Plantation BWA
Water news for Thursday, March 28, 2024 update 1241 pm EDT
Drinking Water Advisories
Glynn County: Grand Oaks Plantation remains under a boil water advisory Thursday. St Simons Island community water system serves 29249 residents from a groundwater source. The boil advisory applies for Grand Oaks Plantation following a water service disruption of 89 minutes on Monday afternoon. The advisory was to apply for minimum 18-24 hours after restoration of service, until potable water test confirms the safety of the supply. More to follow.
Flood Tracker provisional data from USGS streamflow monitors
Twenty-five streamflow gauges record flooding in the USA Thursday over the noon hour, up from twenty-three this morning. WT tracks the nation's most common natural disaster as a dynamic event in four states, New York, Ohio, Georgia and Louisiana. As of this report, ten monitors in these states indicate active flooding.
A new flood signal picked up around 230 am this morning on the Satilla River at Atkinson, making five active floodings on the network of streamflow monitors in Georgia, up from four yesterday. The Satilla River flooding kicked up briefly at GA158 near Waycross, subsiding around midnight of March 27. A little more than a day later, Satilla runs over at Atkinson. Flooding in the south is the tail end of the event beginning with heavy rains March 6. Today is Day 22 of continuous flooding in Georgia, with Savannah River running three and a half feet over flood stage near Cylo, Altamaha River running nine to ten inches over near Baxley, Altamaha tributary Ohoopee River is running higher today, nine inches over flood stage near Reidsville. Little Satilla River is also higher overnight, running almost a foot over flood stage near Offerman.
Louisiana's east border Pearl River has breached flood stage near Bogalusa after a day off yesterday. As of around 730 am, Pearl was roaming out of the channel in Washington Parish, currently running an inch over. Downstream at the Town of Pearl River, flow is measured 11 inches over flood stage, this monitor is in St. Tammany Parish. In northwest LA, Bayou Dorcheat is slightly less than a foot over near Springhill. Bayou Bodcau is up six and a half feet above flood stage near Shreveport. On the west LA border, Sabine River is running four inches over near Ruliff, TX.
For New York, Long Island posts the highest streamflows, four high flow levels in the 96 to 98 percentile range Thursday, with three creeks flowing much above normal. No active flooding reported in NYS. Update on a flood signal reported here two weeks ago: provisional data indicating flooding in Reynolds Channel at the east end of Long Beach Barrier Island turned out to be erroneous. USGS New York Water Science Center Hydrology Chief Chris Gazoorian confirmed provisional data coming from the Reynolds Channel station was incorrect, the sensors were malfunctioning. An email yesterday confirms this station is repaired and back online.
Ohio streamflows are back to normal in the east, below normal in the west. As of this report, no active flooding or high flows.
See black tags on the map for active flood, blue for high flow, 99th percentile or more.
Hazardous Spills
Heavy rain events in Dekalb County often come with an especially nasty side effect. Callers to Georgia EPD report overflowing manholes and raw sewage escaping into the creeks on both sides of the state divide. North Dekalb creeks collect runoff heading for the Chattahoochee River system in the Gulf of Mexico basin. South Dekalb creeks run to Lake Jackson, the Ocmulgee River of the Atlantic drainage basin. During the heavy rains this month, more than 750 thousand gallons of raw sewage is reported to have overflowed from manholes into the watersheds. In 2022, WTGA reported 10 million gallons of sewage impacted the creeks flowing into Lake Jackson, the head of the Ocmulgee River. Dekalb County has a strategy to reduce these stormwater overflows, WTGA investigates. More to follow.
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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