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Significant changes in nitrogen loads to Jamaica Bay have likely occurred with progressive improvements to Water Pollution Control Plants (WCWPs) that discharge into the Bay. Data available from the New York City Department of Environmental Protection and others will be used to determine loads from WPCPs, combined sewer overflows, and the atmosphere. Selected wells within the USGS water quality database, including those near the landfills that are immediately adjacent to Jamaica Bay, will be used to determine concentrations of nutrients in shallow ground water that enter the bay from ground water seepage. To facilitate evaluation of ground water loads, an existing USGS Finite element model that simulates sub...
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Problem The shallow groundwater of Nassau and Suffolk Counties is prone to contamination from current land-use, including agricultural, residential, and recreational. The aquifer system of Long Island is highly susceptible to human-derived contamination, in particular, because the soils and underlying sediments are generally composed of sandy, permeable materials that allow contaminants to move readily from the land surface into the groundwater below. Of increasing concern are the human-derived contaminants stemming from past and present uses of pesticides. In addition to the threat of direct runoff to adjacent waterbodies, pesticide transport through the shallow aquifer from inland sources may discharge to the...
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State and local county health departments have detected per- and polyfluoroalkyl substances (PFAS) in groundwater downgradient of airports and military and firefighting training areas in Long Island, New York. However, the occurrence and spatial distribution of PFAS throughout the surficial aquifer is not well established. Shallow groundwater samples were collected in 2018 from two observation well networks; the Sentinel network and Wastewater Treatment Plant groundwater (WTPGW) network. The Sentinel network is an island-wide group of wells screened within the shallow upper glacial (surficial, <100 feet deep) aquifer, which were sampled to assess the occurrence of PFAS in different land-use settings. The WTPGW network...
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Problem Tribal Lands of the Shinnecock Nation Tribal community were inundated during Hurricane Sandy’s storm tide, resulting in detrimental effects on the Tribal Land’s natural resources. The existing science being used to inform decisions on remediation is biased toward activities are necessarily focused on the immediate aftermath of storms An assessment of the sources of contaminants that may have been introduced from inundation is needed to provide a context with which the Tribal community can better understand how to prioritize and manage the sources and minimize risk. Objectives This project will evaluate key human- and ecological-health concerns related to transport and persistence of...
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Impacts, Climate Impacts, Climate impacts, Contaminants, Emerging, Contaminants, Emerging, All tags...
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INTRODUCTION Naturally occurring methane has been noted at some locations in the upper Devonian shale bedrock and in overlying glacial deposits in parts of Broome, Tioga, and Chemung Counties in south-central New York State (Williams, 2010). Systematic sampling of water wells for dissolved methane is needed to determine if the topographic and hydrogeologic setting of a well is related to methane occurrence. Objective and Study Area - The objective of this study is to characterize the natural occurrence of dissolved methane gas in groundwater from water wells within four different topographic and hydrogeologic settings (upland and major valley areas where bedrock is confined or unconfined by glacial deposits)....
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Broome County, Chemung County, Completed, Contaminants, Natural, Contaminants, Natural, All tags...
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Background A major focus of the NAWQA Program in its second decade (2002-2013) is on regional- and national-scale assessments of groundwater-quality status and trends in principal aquifers. The U.S. Geological Survey Office of Groundwater has identified 62 principal aquifers in the U.S. ( U.S. Geological Survey, 2003 ). About 1/3 of the Nation's principal aquifers are the focus of water-quality assessments at the regional scale by NAWQA. The NAWQA framework for principal aquifer assessments considers the physical setting of the aquifer, in addition to its susceptibility and vulnerability to contamination. More information (USGS Fact Sheet 2005-3013, PDF, Adobe reader is freely available to read a PDF) Publications...
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The Pepacton watershed is an integral part of New York City's public-water supply system. Most of the watershed is within Delaware County with headwaters of some of its eastern tributary streams originating in Greene and Ulster Counties. Land use varies from dairy farms in the northern portion of the watershed to extensive forested areas in the south with small rural communities interspersed throughout the watershed. Sound management of the water resources in the region necessitates development of hydrologic data networks that will document current water-quality conditions in relation to watershed characteristics such as land use. Ground-water discharge to streams accounts for most of the water reaching the New...
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PROBLEM As part of an effort to sustain a viable water-supply system for 8 million residents in New York City, and 1 million other residents in upstate New York that rely on City water, the New York City Department of Environmental Protection (NYCDEP) has requested a multi-disciplinary study by the U.S. Geological Survey (USGS) to determine the source(s) of water to surface-water sites (springs and expressions) in areas adjacent to the Catskill Aqueduct. In the area near the Delaware Aqueduct, which has been determined by the USGS to have a water-tunnel contribution to flooding issues during periods of high precipitation, the NYCDEP plans to repair the leaks with a grouting procedure. However, without monitoring...
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PROBLEM There are more than 60 organizations and agencies collecting water-quality data on Long Island. The types of database management that are used to store and archive regulatory and non-regulatory data vary from paper forms to spreadsheets to State and Federal databases, and there is minimal communication between these systems. As a result, those interested in analyzing data may be unaware of what data exist and how those data can be obtained without a Freedom of Information Law request. A unified data sharing system that provides multiple levels of sensitive and non-sensitive data storage and dissemination is needed. This system should link the various databases and interact through web services to provide...
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INTRODUCTION • Concerns over the viability of the fractured bedrock aquifer that provides about 1/3 of Rockland County’s water supply prompted a 5-year study by the U.S. Geological Survey (USGS) to (1) define the hydrogeologic framework of the aquifer, (2) assess conditions within it, and (3) identify other potential sources of water for the County. The study was done in cooperation with Rockland County and the New York State Department of Environmental Conservation. • Population growth in Rockland County to nearly 300,000 people has been paralleled by significant hydrologic changes over the past 50 years –water demand and impervious surface area have increased, and sanitary sewers now serve most areas and discharge...
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Problem Statement There are over 1.3 million residents in Nassau County that rely on groundwater as their sole source of potable drinking water. The mixed land uses (residential, commercial, industrial, agricultural, and recreational) of Nassau County contribute point and non-point sources of aquifer contamination. Nassau County water purveyors currently operate supply wells screened in the upper glacial, Magothy, and Lloyd aquifers. The protection and long-term sustainability of all three aquifers are vital concerns for the Nassau County Department of Public Works (NCDPW). Monitoring of groundwater for contaminants of emerging concern (CEC) associated with mixed land uses within these aquifers is necessary for...
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Problem The ground-water flow system underlying the Manhasset Neck Peninsula, which provides potable water to the local population, consists of a complex assemblage of Pleistocene- and Cretaceous-age sediments that form five aquifers and at least two confining units. Recent hydrogeologic mapping in Manhasset Neck indicates significant glacial erosion of the Magothy aquifer, Raritan Clay, and Lloyd aquifer, and several gaps in the confining units that overlie the North Shore and Lloyd aquifers. Five areas of salt-water intrusion have been delineated, two of which are considered active. Several public-supply wells on the Manhasset Neck Peninsula have been shut down in the past as a result of saltwater intrusion....
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Complete, Completed, Cooperative Water Program, GW Model, GW Model, All tags...
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Problem - The Tug Hill glacial aquifer is a 47-mile long, sand and gravel deposit that occupies 103 mi2 along the western side of the Tug Hill Plateau in northern New York. The northern part of the aquifer is designated a sole-source aquifer by the U.S. Environmental Protection Agency. The aquifer is a relatively shallow, unconfined system that readily interacts with streams that flow over it. These streams, sustained by groundwater discharge, are the premier steelhead trout-producing streams in the Lake Ontario basin in New York State. A number of villages and most private homeowners get their water from the aquifer, and recently other industries, including a proposed bottled-water plant, could add to withdrawals...
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Objective: The USGS New York Water Science Center (NYWSC) works with other Federal agencies as well as with State, municipal, and tribal agencies to provide research and data about water-related issues. Relevance and Impact: The NYWSC leads the scientific and water-resources management communities by providing high-quality, timely, and unbiased scientific data, reports, and other information that are widely accessible and understandable and that benefit science interests of all levels of government, academia, nongovernmental organizations, the private sector, and the general public. Statement of Problem: The NYWSC studies the effects of weather, climate, and manmade influences on groundwater levels, streamflow (discharge),...
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beach and Barrier Dynamics, Beach and Barrier Dynamics, Beach and Barrier dynamics, Coastal Science, Coastal Science, All tags...
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Problem The groundwater supply of Nassau and Suffolk Counties is prone to contamination from past and current land uses, including practices related to agriculture, industry, and residential development, because the soils and underlying sediments are generally composed of sandy, permeable materials that allow contaminants to move readily from the land surface into the groundwater below. Of increasing concern are the human-derived contaminants stemming from on-site disposal of residential wastewater and industrial processes. The centralized distribution of water through purveyors to most residents provides them with a reliable source of potable water that is consistently monitored at the wellhead. However, increased...
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Problem : Occurrence and persistence of emerging contaminants in groundwater flow in Suffolk County, New York Objectives: This project will monitor groundwater from selected SCWA supply wells for compounds indicative of anthropogenic sources, which are of increasing public concern. Approach: Groundwater-flow information, well-construction details, and distance from treated wastewater (including municipal and industrial) discharge areas will be used to select 12 wells that are along the paths of groundwater flow from discharge sites. Groundwater samples will be analyzed for roughly 100 common organic contaminants­­­­­—including pharmaceuticals, hormones, and wastewater indicators—that could potentially pass through...
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Problem Almost 1900 public, private, and commercial waste-water treatment plants (WWTPs), many located upstream of drinking water intakes or within tributaries to water-supply reservoirs, are permitted to release effluents into surface- or ground-waters across New York State. More than 150 facilities have New York State SPEDES permits to discharge waste waters in the New York City East of Hudson and West of Hudson Water Supply Watersheds (NYC Watersheds), which provide drinking water to more than nine million people in and around New York City. Some common waste water treatment plant (WWTP) contaminants (e.g., polycyclic musks, alkylphenols, and estradiol) can cause estrogenic or androgenic changes in the reproductive...
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Completed, Contaminants, Emerging, All tags...
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A major focus of the NAWQA Program in its second decade (2002-2013) is on regional- and national-scale assessments of groundwater-quality status and trends in principal aquifers. The U.S. Geological Survey Office of Groundwater has identified 62 principal aquifers in the U.S. (U.S. Geological Survey, 2003). About 1/3 of the Nation's principal aquifers are the focus of water-quality assessments at the regional scale by NAWQA. The NAWQA framework for principal aquifer assessments considers the physical setting of the aquifer, in addition to its susceptibility and vulnerability to contamination. More information (USGS Fact Sheet 2005-3013, PDF, Adobe reader is freely available to read a PDF) Publications Contact Information...
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Introduction Relatively little data describing the quality of groundwater in New York State exists, yet groundwater is used as a source of drinking water by approximately one quarter of the population of the state. The objective of the 305(b) groundwater quality monitoring project is to quantify and report on ambient groundwater quality from bedrock and glacial-drift aquifers in upstate New York. An ongoing cooperative project between the U.S. Geological Survey (USGS) and New York State Department of Environmental Conservation (NYSDEC) Division of Water, this study supports NYSDEC’s responsibilities under Section 305(b) of the Clean Water Act Amendments of 1977. The resulting data set will be used to establish...
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Background The U.S. Geological Survey (USGS), in cooperation with the Village of Patchogue and the New York Department of State, collected water-quality samples from 10 shallow wells within the village to document the effects of onsite wastewater disposal on groundwater discharging into the Patchogue River. The onsite disposal of wastewater within the Patchogue River basin - a riverine estuary that discharges into Great South Bay, Suffolk County, Long Island, NY - has adversely affected water quality and aquatic habitats within both the tidal and non-tidal portions of the river. Of particular concern are increased loads of nutrients (nitrate, nitrite, ammonia, and phosphorus) to the shallow groundwater system which...


map background search result map search result map Shallow groundwater quality in the Patchogue River basin, Suffolk County, New York Estrogenicity in Streams of New York State Development and Implementation of a Baseflow (groundwater) Monitoring Network for the Pepacton Watershed Assessment of Nutrient Loading to Jamaica Bay, Gateway National Recreation Area, New York National Water Quality Assessment Program -- Water-Quality Assessments of Principal Aquifers 305b Ambient Groundwater Quality Monitoring in New York Natural Methane Occurrence in Water Wells of South-Central New York State- Evaluation of Topographic Position and Hydrogeologic Setting Water-Quality Assessments of Principal Aquifers Human- and Ecological-Health Concerns Related to Transport and Persistence of Contaminants on Shinnecock Nation Tribal Lands Development of a Ground-Water Flow Model for the Manhasset Neck Peninsula, Nassau County, New York Hydrogeology, Water Quality, and Simulation of Groundwater Flow in the Tug Hill Glacial Aquifer in Jefferson, Oswego, and Oneida Counties, New York Rockland County Water-Resource Assessment Assessing Occurrence and Persistence of Emerging Contaminants in Groundwater Sentinel Monitoring for New and Legacy Pesticides in the Shallow Groundwater of Long Island New York Water Science Center Data Program Sentinel Monitoring of Groundwater for Contaminants of Emerging Concern to Provide Advanced Warning for Supply Wells on Long Island, New York Development of Long Island Water Quality Integrated Data System (LIQWIDS) - User interface and web services in support of collaboration under the Long Island Nitrogen Action Plan(LINAP) Hydrogeologic and Geochemical  Assessment of the Effects of Leakage from the Catskill and Delaware Aqueducts on the Local Bedrock and Overburden Aquifers in Southeastern New York Groundwater-Quality of Nassau County, Long Island, New York Occurrence of per- and polyfluoroalkyl substances, Long Island and New York City, New York Human- and Ecological-Health Concerns Related to Transport and Persistence of Contaminants on Shinnecock Nation Tribal Lands Shallow groundwater quality in the Patchogue River basin, Suffolk County, New York Development of a Ground-Water Flow Model for the Manhasset Neck Peninsula, Nassau County, New York Assessment of Nutrient Loading to Jamaica Bay, Gateway National Recreation Area, New York Development and Implementation of a Baseflow (groundwater) Monitoring Network for the Pepacton Watershed Hydrogeology, Water Quality, and Simulation of Groundwater Flow in the Tug Hill Glacial Aquifer in Jefferson, Oswego, and Oneida Counties, New York Natural Methane Occurrence in Water Wells of South-Central New York State- Evaluation of Topographic Position and Hydrogeologic Setting Assessing Occurrence and Persistence of Emerging Contaminants in Groundwater Sentinel Monitoring for New and Legacy Pesticides in the Shallow Groundwater of Long Island Sentinel Monitoring of Groundwater for Contaminants of Emerging Concern to Provide Advanced Warning for Supply Wells on Long Island, New York Occurrence of per- and polyfluoroalkyl substances, Long Island and New York City, New York Development of Long Island Water Quality Integrated Data System (LIQWIDS) - User interface and web services in support of collaboration under the Long Island Nitrogen Action Plan(LINAP) Hydrogeologic and Geochemical  Assessment of the Effects of Leakage from the Catskill and Delaware Aqueducts on the Local Bedrock and Overburden Aquifers in Southeastern New York Estrogenicity in Streams of New York State 305b Ambient Groundwater Quality Monitoring in New York Water-Quality Assessments of Principal Aquifers New York Water Science Center Data Program National Water Quality Assessment Program -- Water-Quality Assessments of Principal Aquifers