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Data Networks

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USGS Groundwater data for Connecticut

This web page provides the user with access to a table showing current conditions for active groundwater level sites, historical observations, and various summary statistics for both currently active and discontinued sites, for stations in Connecticut.
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USGS Groundwater data for Connecticut

This web page provides the user with access to a table showing current conditions for active groundwater level sites, historical observations, and various summary statistics for both currently active and discontinued sites, for stations in Connecticut.
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Connecticut Active Water Level Network

This site is the Connecticut portion of the USGS groundwater Watch program that tracks groundwater levels in the United States. This site provides an interactive map with symbols showing locations of groundwater level measurement sites. The symbols are color coded to indicate percentile classes and whether the sites report data in real-time-delivered to NWISWEB, continuous or periodic measurements...
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Connecticut Active Water Level Network

This site is the Connecticut portion of the USGS groundwater Watch program that tracks groundwater levels in the United States. This site provides an interactive map with symbols showing locations of groundwater level measurement sites. The symbols are color coded to indicate percentile classes and whether the sites report data in real-time-delivered to NWISWEB, continuous or periodic measurements...
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Embayment Monitoring to Support Nutrient Management Activities in Connecticut for the Long Island Sound

The USGS, in cooperation with the Connecticut Department of Energy and Environmental Protection will be collecting water-quality and hydrologic data at four embayments from April 2021 to March 2024: Mystic, Norwalk, Saugatuck, and Sasco-Southport complex.
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Embayment Monitoring to Support Nutrient Management Activities in Connecticut for the Long Island Sound

The USGS, in cooperation with the Connecticut Department of Energy and Environmental Protection will be collecting water-quality and hydrologic data at four embayments from April 2021 to March 2024: Mystic, Norwalk, Saugatuck, and Sasco-Southport complex.
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Geospatial Dataset of Wells and Attributes in the New England Groundwater Level Network, 2017

The drought of 2016 affected hydrologic conditions throughout New England. Responses of USGS groundwater observation wells to this event, however, were not uniform and were sometimes markedly different from site to site. Although USGS scientists were able to provide explanations for most of these situations, the event highlighted the need for additional well information to develop quantitative and...
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Geospatial Dataset of Wells and Attributes in the New England Groundwater Level Network, 2017

The drought of 2016 affected hydrologic conditions throughout New England. Responses of USGS groundwater observation wells to this event, however, were not uniform and were sometimes markedly different from site to site. Although USGS scientists were able to provide explanations for most of these situations, the event highlighted the need for additional well information to develop quantitative and...
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Surface Water Quality Monitoring in Rhode Island

Since 1979, the USGS has monitored water quality in the major river basins of Rhode Island contributing to Narragansett Bay.
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Surface Water Quality Monitoring in Rhode Island

Since 1979, the USGS has monitored water quality in the major river basins of Rhode Island contributing to Narragansett Bay.
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Surface Water Quality Monitoring in Connecticut

The 2,983 miles of streams in Connecticut support a range of uses, including drinking water, recreation, and fish and shellfish habitat. The State is required by the Clean Water Act to assess the health of these waters every two years.
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Surface Water Quality Monitoring in Connecticut

The 2,983 miles of streams in Connecticut support a range of uses, including drinking water, recreation, and fish and shellfish habitat. The State is required by the Clean Water Act to assess the health of these waters every two years.
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Updating a Method to Estimate Probable High Groundwater Levels in Massachusetts

Periodic high groundwater levels are a major cause of septic system-failures, wet basements, and other problems for suburban and rural residents in Massachusetts. To address this issue, a method (commonly referred to as the Frimpter method) was developed in early 1980’s to estimate probable high groundwater levels across the state. The USGS New England Water Science Center, in cooperation with the...
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Updating a Method to Estimate Probable High Groundwater Levels in Massachusetts

Periodic high groundwater levels are a major cause of septic system-failures, wet basements, and other problems for suburban and rural residents in Massachusetts. To address this issue, a method (commonly referred to as the Frimpter method) was developed in early 1980’s to estimate probable high groundwater levels across the state. The USGS New England Water Science Center, in cooperation with the...
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Development of Streamflow Record Extension Equations in New Hampshire

Currently, there are 16 designated rivers in New Hampshire in need of daily mean streamflow estimates for managing instream flows. Many of New Hampshire’s Designated Rivers have current and/or historical streamflow data that may be used to extend an existing streamgages streamflow record in time through record extension techniques. Evaluating the feasibility of record extension techniques to...
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Development of Streamflow Record Extension Equations in New Hampshire

Currently, there are 16 designated rivers in New Hampshire in need of daily mean streamflow estimates for managing instream flows. Many of New Hampshire’s Designated Rivers have current and/or historical streamflow data that may be used to extend an existing streamgages streamflow record in time through record extension techniques. Evaluating the feasibility of record extension techniques to...
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