Long Island on the drought map
Up to the minute NY water news for Friday, November 17 - last update 4:55 pm EST
Streamflows USGS WaterWatch
Drought-rated surface area expanded and increased in severity overnight and throughout the day Friday. As of Friday closing time, Long Island is caught up in the drought map with a below normal rating. Overnight we saw the south of Niagara - Lake Erie basin north Cattaraugus County escalated to severe drought.
Continuing as seen earlier in the week, the Upper Genesee River watershed area from the south NYS border to central Livingston County is still rated moderate drought. Lower Genesee watershed from central Livingston to Lake Erie is still rated below normal. All surface area west of Genesee River is rated on the drought map at moderate or below normal. The Chemung River watershed to the east of Upper Genesee is likewise rated below normal.
Streamflow readings throughout west NYS continue below normal to much below normal with Tonawanda Creek registering 97th percentile low flow at Attica again Friday morning.
Niagara-Lake Erie watershed, the Genesee and Chemung River watersheds retain the contiguous area of moderate drought rating over the height-of-land divides between drainage basins flowing in opposite directions. Niagara-Lake Erie watershed, as the name implies, runs west, depositing in Lake Erie. Genesee River and its tributaries move runoff from the south to the north, emptying into Lake Ontario. Chemung River watershed tilts to the southeast, joining the Susquehanna River, exiting NYS and emptying into the Atlantic Ocean at Chesapeake Bay. Allegheny River watershed in the southwest sheds surface run-off toward the continental interior via Ohio River to the Mississippi basin. Allegheny River watershed is rated below normal with the southwest corner of Chautauqua County rated moderate drought.
The northeast drainage basin St Lawrence River watershed continues at moderate drought level along the Raquette River channel flowing north to the St. Lawrence River, as we have seen for more than a week.
There are no USGS streamflow gages reporting flooding in NYS, nor are there streamflows in the 99th percentile high or low. Tonawanda Creek in the Niagara Lake Erie watershed is still flowing 97th percentile low at Attica.
The New York Water Science Center maintains streamflow monitors on NYS rivers and tributaries with real-time depth and flow volume information streaming to the USGS WaterWatch portal. When a 7-day running average streamflow in a given location falls below the historic average for the day of the year, a rating shows up on the drought map, ranging from below normal, moderate hydrologic drought, severe and extreme drought.
Drinking Water Matters
Ilion has issued a BWA for Ilion after a major water main break on East Street and East Clark Street. The repair has been completed, the boil water notice is in effect for residents between Cottage Street and the dead end of E. Clark Street until potable water tests indicate the safety of the supply.
Hazardous Spills the latest reports released from NY DEC as reported to the NY Emergency Spill Hotline 1-800-457-7362
A deliberate spill of unknown hazardous material reported Monday coming from a private residential property on South Main St in Horseheads, Chemung County. Another deliberate spill is reported coming from a Williston Park shopping center, raw sewage reported dumped from a commercial address on Hillside Avenue, Nassau County.
Five abandoned oil drums reported leaking between Cypress Hills St and Vermont Ave in Queens on Monday.
A tank test failure on Tuesday caused an unknown amount of home heating oil to spill at an apartment complex on Home St in the Bronx.
See the Spills button to the right of the map for more spills reported in NYS.
HABs update from NY DEC HABs Notifications Center
Eight active HABs were on left on the record as the monitoring season closed overnight. As of November 16, there were approximately 1150 HABs in the archives for 2023. WTNY.us will be back with a season wrap up report looking at the most HAB-afflicted water bodies in New York State over the last few years. More to follow. As of the close of monitoring, active HABs remained on Agawam Lake, Beaver Dam Lake, Hatch Lake, Hyde Lake, Bradley Brook Reservoir, Otisco Lake and Wainscott Pond. See the HABs button to the right of the map for details.
Have you encountered a HAB? Let WTNY know how HABs has impacted your enjoyment of state waters. Email us firstname.lastname@example.org.
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