April 12, 2024
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WT Staff

WT USA network flood update - Ohio under flood watch today
Ochlockonee, Withlachoochee Rivers no longer flooding

Water news for Monday, April 1, 2024 update 329 pm EDT

Flood Tracker provisional data from USGS streamflow monitors
Twenty-six streamflow gauges record flooding in the USA Monday afternoon, down from twenty-nine this morning. WT tracks the nation's most common natural disaster dynamics through New York, Ohio, Georgia and Louisiana. As of this report, ten monitors indicate active flooding; 5 in Georgia and 4 in Louisiana, several stations are recording high flows in Ohio, one station flooding this morning is no longer flooding.

Georgia, Day 26: Gulf of Mexico basin Ochlockonee River stopped flooding near Concord, Florida yesterday just before 5 pm, currently running a couple of inches under flood stage. Suwannee River tributary Withlachoochee River tucked back into the channel at Skipper Bridge Road near Bemiss around 5 am this morning. On the Atlantic side of the drainage divide, Altamaha and tributary Ohoopee Rivers are still flooding near Baxley and Reidsville respectively. Savannah River is still flooding two feet three inches over near Cylo and the Little Satilla and Satilla Rivers are still flooding nine inches over and two feet over flood stage near Offerman and Atkinson, respectively.

New York State streamflows dip below normal Monday in Lower Hudson and Delaware River watersheds, as Chemung and Susquehanna watersheds drop further below normal, very few normal rated flows remain in the west interior, trending to much below seasonal normal values. Just two stations register flows above 90th percentile Monday, one in the Upper Hudson watershed and one on Long Island. Moderate hydrologic drought remains on Alleghany River watershed in the southwest with Oswego River - Finger Lakes, Chemung and Genesee Rivers watersheds remaining below normal on the drought map Monday.

In Louisiana, provisional data has Calcasieu River flowing half a foot above flood stage overnight near Glenmora. Could this be an April Fools Day trick? According to the flow volume plotted against time graph, flood stage was breached at midnight. We will verify this information with USGS and update here. In Region 1 northwest LA, Bayou Bodcau shows itself five and three quarter feet above flood stage near Shreveport. Pearl River on the east state border runs two feet over flood stage near Bogalusa in Washington Parish and a foot over at downstream Town of Pearl River in St. Tammany Parish.

Ohio flood watch: The streamflow map is signalling twelve extreme high flows in a band through the center of the state. A flood watch is in effect from 2 pm today until tomorrow evening. Multiple rounds of thunderstorms are forecast for afternoon and evening Monday into Tuesday. More to follow.

See black tags on the map for active flood, blue for high flow, 99th percentile or more.

Drinking Water Advisories
Wilkinson County - Gordon - a Boil Water Advisory was issued following a water main leak and repair on Kennington Rd on Friday.

Dade County Water Authority has lifted a BWA following a water leak and service disruption March 27. The outage impacted the unincorporated community of Rising Fawn, specifically those water customers from Cornerstone Market to Ruby Lane on Hwy 157.

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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