Filters: Tags: {"scheme":"https://www.sciencebase.gov/vocab/category/NYWSCCapabilityTeam/WaterUseandAvailabilityScience"} (X) > partyWithName: Suffolk County Water Authority (X)

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State of the Aquifer, Long Island, New York Background In recent years, more and more people have become concerned about Long Island's supply of freshwater. Currently, there is no comprehensive, island-wide resource that summarizes recent U.S. Geological Survey (USGS) research related to the Island's aquifer system. A webpage will be developed by the USGS that will compile published data from the hydrologic-surveillance program, in place since the mid-1970’s, and various USGS sources, and supplement this information with more recent seasonal and annual hydrologic technical assistance will be provided to the Suffolk County Water Authority (SCWA) to help them produce an easy to understand annual report that will provide a snapshot of the state of Long Island's... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, GW or SW, GW or SW, GW or SW, Geospatial Applications, All tags... Geospatial Applications, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Investigation and Monitoring Support, Investigation and Monitoring Support, Investigation and Monitoring Support, Long Island, Mapping Application Development, Mapping Application Development, Mapping Applications Development, Nassau County, New York, New York City, Suffolk County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Trends in Nitrate Concentrations in Public Water-Supply Wells, Suffolk County, New York, 1982-2008 Introduction High nitrate concentrations are a common concern among many purveyors, including the Suffolk County Water Authority (SCWA), the largest supplier of water to residents in Suffolk County. Typically, the amount of nitrate in groundwater is related to land use, where the greatest concentrations are observed in agricultural regions. In many areas, the nitrate concentration has increased steadily in recent years, even in areas that are no longer farmed and are now sewered. A statistical analysis for trends of over 20 years in nitrate concentration data from SCWA wells is needed to determine the susceptibility of supply-wells to exceed the Maximum Contaminant Level (MCL) for nitrate. This information is essential... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Contaminants, Natural, Contaminants, Natural, Contaminants, natural, Cooperative Water Program, GW Model, All tags... GW Model, GW model, GW or SW, GW or SW, GW or SW, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater Recharge, Groundwater Recharge, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Groundwater recharge, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, New York, Suffolk County, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Water quality, public water-supply wells, nitrate, Fewer tags Technical Pump-Test Evaluation of Suffolk County Aquifers Problem - USGS regional framework characterizations have been used effectively in many studies. However, lack of framework accuracy, particularly at smaller scales, continues to cause problems that may involve: (1) sizing of pumps and other aspects of wellfield design and maintenance, (2) projection of local-scale water-level changes, and (3) projection of interactions with other hydrologic stresses. The objective of this study is to improve framework representations by implementing continuous-recording observation wells at SCWA wellfields, in concert with the SCWA record of pumping and other regional USGS data. As necessary, the implications of framework revisions on such topics as safe aquifer yield, source-area... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, All tags... Hydrogeologic Characterization, Hydrogeologic Characterization, Suffolk County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags