4/6/2024
WT Staff
WEEKEND WATER REPORT
Swan River high at East Patchogue
Earthquake aftershocks and water infrastructure
Water news for Saturday, April 6, 2024 1021 am EDT
Earthquake and aftershocks
US Army Corps of Engineers maintains the dams and reservoirs of NYS. WTNY.us has reached out to USACE for an update on the condition of the drinking water reservoirs and infrastructure supporting NY drinking water that may have been damaged by the 4.8 magnitude earthquake that struck near Whitehouse NJ on Friday afternoon. USGS recorded a cluster of seismological rumblings over the last three weeks through New Jersey and significant aftershocks yesterday and this morning. More to follow.
Flood Tracker provisional data from USGS streamflow monitors
Sixty-eight streamflow gauges record flooding in the USA Saturday, down from eighty-eight yesterday. WT tracks the nation's most common natural disaster dynamics through New York, Ohio, Georgia and Louisiana. As of this report we are watching 15 monitors indicating active flooding; 1 in Georgia, 3 in Louisiana and 11 in Ohio.
New York State: Hudson River is no longer flooding near Poughkeepsie. Swan River is still over the 99th percentile at East Patchogue on Long Island Saturday morning.
Current streamflow map for Ohio is down to eleven monitored floodings Saturday, down from seventeen yesterday. St Joseph River and Tiffin River continue to spill over in the northwest Lake Erie basin while Auglaize, Blanchard and Sandusky Rivers have retired back into their channels. Scioto River is no longer flooding in the upper headwaters near Prospect, getting down below flood stage around 3 am this morning. Scioto is still high at Chillicothe and Higby, still flooding a foot and four inches over at Piketon. Ohio River is no longer flooding at Pike Island Lock and Dam or Hannibal. Flooding continues on the Ohio River at Marietta, Point Pleasant and as of 940 am has breachhed flood stage running over 52 feet deep at Ashland, KY. Ohio River breached flood stage downstream at Portsmouth around 230 am this morning. In the Muskingum basin, tributaries Wills Creek, Killbuck Creek and Tuscarawas River are still flooding. Stillwater Creek floods on near Uhrichsville. USGS Water Sciences Center for Indiana, Kentucky and Ohio report crews have been out verifying the streamflow gauge readings through the worst of the flooding, staff wading in flooding creeks up to 800 cfs and even encountering hail to ensure the equipment is functioning as intended. More to follow.
In Louisiana Region 1 northwest, Bayou Bodcau has come down overnight, on a steady declining trend near Shreveport, still more than three and a half feet over flood stage. Over to the east state line, watershed Region 7, Pearl River runs a foot and four inches over near Bogalusa in Washington Parish and the same amount over flood stage downstream at Town of Pearl River in St. Tammany Parish.
Georgia, Day 31: Little Satilla retired overnight near Offerman leaving one monitoring station recording flooding in the state of Georgia on Day 31 of widespread spring flooding. Satilla River is still running a foot and three inches over flood stage at Atkinson, on a steady dropping trend with clear sunny weather in the forecast, this flooding looks to be ending over the weekend. More to follow.
See black tags on the map for active flood, blue for high flow, 99th percentile or more.
As many NYS drinking water facilities are supplied from surface water reservoirs, the streamflow situation is pertinent to both drinking water supply and quality. High flows can stir up sediment and cause turbidity in the reservoirs, requiring additional treatments to render the water potable. Low flow volume is linked to warmer temperatures in the reservoir and can be an issue for water quality where HABs are present. WTNY.us tracks streamflow trends with an eye to the impacts on drinking water supply and quality in each of the state's 17 watersheds. Check the watershed layer on the map to see the direction of flow and streamflows that may be impacting drinking water today.
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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