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Lake Champlain HABs
Glens Falls City Water

Water news for Friday, May 3, 2024 851 am EDT

Drinking Water Matters
The Glens Falls City Water Department issued a boil water advisory following repair of a water main this week Monday. Customers on Clark Street, Reservoir Road, and Old Forge Road were impacted. Glens Falls City serves a population of 14 thousand from a surface water source. The last compliance inspection was a complete sanitary survey of the facility conducted by NYS Nov 21, 2022. There are no deficiencies noted, no violations recorded.

Harmful Algal Bloom HAB Monitoring expanded in NYS
National Centers for Coastal Ocean Science (NCCOS) has extended the HABs surveillance program into New York State. Lake Champlain is now included in the satellite monitoring program, giving insight into the HAB activity in NYS on a year-round basis.

The latest image supplied from NCCOS was captured May 2 at unknown surface wind speed. The image is completely cloud obscured. An previous image from April 26 offers a clear view to the water indicating dozens of small localized blooms at moderate concentration 100 thousand cells per 100 ml along the east and west shorelines and island shorelines of Lake Champlain. For a detailed report click here or click on the HABs button to the right of the map.

The monitoring season for the New York State Department of Environmental Conservation has not reopened as of this report.

WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Ninety-three streamflow gauges record flooding in the USA Friday, up from sixty-eight on Thursday. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report there are five active floodings recorded in Louisiana.

In the northwest, watershed Region 1 Bayou Dorcheat is back on the flood sheet Friday, the monitor recording provisional readings near Springhill indicating flood stage breached around 10 pm last night, currently heading up to two inches over flood stage. Bayou Bodcau continues to flood near Shreveport, still on a slowing trend and down a couple of inches in the last twenty four hours. A high flow 99th percentile is recorded on Cypress Bayou near Keithville, the flood stage is not established here.
Sabine River is back to flooding near Bon Wier, TX as of around 530 am CDT this morning, currently an inch over flood stage on a rising trend. Sabine River continues to flood in the lower end near Ruliff, TX, no change to the water level there in the last twenty four hours. Calcasieu River is up overnight near Glenmora in Region 4, running a foot and four inches over flood stage.

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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