5/4/2024
WT Staff
WEEKEND WATER REPORT
Much below normal streamflows expand statewide
Dryden Village Water BWA
Water news for Saturday, May 4, 2024 121 pm EDT
Streamflows through New York have declined overnight with more stations recording below normal and much below normal ratings overnight. A low flow is recorded on a minor tributary to the Schoharie Reservoir in the Mohawk River watershed Saturday. Moderate drought has moved off the Black River watershed, remaining on the top of the Upper Hudson River watershed from east-central Hamilton and part of Essex and Warren Counties.
Drinking Water Matters
Tompkins County: Dryden Village water system issues a BWA following repair of a water main yesterday. This community water system serves a population of 2000 from a groundwater source and was in full compliance with federal Safe Drinking Water Act requirements as of the most recent reporting and inspections cycle, no violations identified. This drinking water facility is located in the upper basin of the Oswego River- Finger Lakes watershed.
Harmful Algal Bloom HAB Monitoring expanded in NYS
Surface based monitoring season has not yet opened in NYS as of this report. Check back here for the daily update on HABs monitoring status.
The satellite monitoring program of NCCOS has not uploaded a new image since May 2. Recent images are completely cloud obscured. The April 26 capture gives a clear view to the water at an undetermined surface wind speed. This image shows dozens of localized blooms at the moderate concentration 100 thousand cells per 100 ml in various locations along the east, west and island shorelines and open water of Lake Champlain. For a detailed report click here or click on the HABs button to the right of the map.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Eighty-four streamflow gauges record flooding in the USA Saturday, down from ninety-three Friday. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report, a new flood event has started in Louisiana, there are currently six active floodings on our radar, all recorded in Louisiana.
Region 4 watershed runs from the west Louisiana border with Texas starting at DeSoto Parish, draining surface area through Sabine, Vernon, Beauregard, Calcasieu and west Cameron, also including west Rapides, west Allen and northwest Jefferson Davis Parishes. This watershed has been on the national flood map for months with Sabine and Calcasieu Rivers flooding on an off since the end of January. Sabine River breached major flood stage for a brief period mid-April. Calcasieu River has breached minor flood stage five times near Glenmora since the end of January. As of this report, Calcasieu River runs a foot and nine inches over minor flood stage near Glenmora, now also flooding at downstream Kinder, since around 730 this morning. Sabine River is also recorded flooding at two stations, near Bon Wier, TX and also near Shreveport, TX. In the northwest LA, watershed Region 1, Bayou Dorcheat and Bayou Bodcau are still flooding near Springhill and Shreveport, respectively.
As many 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. WT tracks streamflow trends with an eye to the impacts on drinking water supply and quality in each of the state's 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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