New England Water Science Center

Data and Tools

Much of our data is publicly available through the USGS National Water Information System, but additional datasets and analytical tools are also available.

Current Conditions:

Streamflow:   CT | ME | MA | NH | RI | VT

Water Quality:   CT | ME | MANH | RI | VT

Groundwater:    CT | ME | MANH | RI | VT

Precipitation:    CT | ME | MA | NH | RI | VT

Lakes and Reservoirs:    ME | MA | NH | VT

USGS StreamStats

USGS StreamStats

Interactively identify a watershed boundary and obtain detailed streamflow statistics.

For an introduction to StreamStats click HERE

View Map

USGS WaterAlert

USGS WaterAlert

Use the interactive map to browse the network of USGS sites by data type. 

WaterAlert Map
Filter Total Items: 75
Date published: January 1, 2018

Geochemical data supporting analysis of geochemical conditions and nitrogen transport in nearshore groundwater and the subterranean estuary at a Cape Cod embayment, East Falmouth, Massachusetts, 2013

This data release provides analytical and other data in support of an analysis of nitrogen transport and transformation in groundwater and in a subterranean estuary in the Eel River and onshore locations on the Seacoast Shores peninsula, Falmouth, Massachusetts. The analysis is described in U.S. Geological Survey Scientific Investigations Report 2018-5095 by Colman and others (2018). This

Date published: January 1, 2018

Flood Inundation Grids and Shapefiles for the Pawtuxet River in West Warwick, Warwick, and Cranston, Rhode Island

A series of 15 digital flood-inundation shapefiles and grids were developed for a 10.2 mile reach of the Pawtuxet River in West Warwick, Warwick, and Cranston, Rhode Island by the U.S. Geological Survey in cooperation with Rhode Island Emergency Management Agency and U.S. Army Corps of Engineers. The coverage of the maps extends from downstream of Natick Pond Dam near State Route 33/Provi

Date published: January 1, 2018

Low-streamflow trends and basin characteristics for 2,482 U.S. Geological Survey streamgages in the conterminous U.S.

This data release contains drainage basin characteristics and low-streamflow trend results for 2,482 U.S. Geological Survey (USGS) streamgages in the conterminous U.S. Data include streamgage identification number, name, drainage area, latitude, longitude, percent developed land use, percent crop land use, dam storage, streamgage classification, record completeness status, and trend slopes and...

Date published: January 1, 2018

Water Quality data from the Providence Water Supply Board for tributary streams to the Scituate Reservoir, water year 2016

Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2015 through September 2016 (water year 2016). These data were used to calculate instantaneous loads and yields of constituents in a report by the U.S. Geological Survey. Water-quality samples were collected by the PWSB either monthly or quarter

Date published: January 1, 2018

Water Quality data from the Providence Water Supply Board for tributary streams to the Scituate Reservoir, water year 2015

Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2014 through September 2015 (water year 2015). These data were used to calculate instantaneous loads and yields of constituents in a report by the U.S. Geological Survey. Water-quality samples were collected by the PWSB either monthly or

Date published: January 1, 2018

Connecticut Streamflow and Sustainable Water Use Estimator (CTSSWUE) application software (version 1.0)

<p>This software release provides the database application that runs the Connecticut Streamflow and Sustainable Water Use Estimator (CT SSWUE) computer program (version 1.0). The CT SSWUE was developed by the U.S. Geological Survey, in cooperation with the Connecticut Department of Energy and Environmental Protection, to provide a planning-level decision-support tool designed to h

Date published: January 1, 2018

Massachusetts Sustainable-Yield Estimator (MASYE) application software (version 2.0)

This software release provides the database application that runs the Massachusetts Sustainable-Yield Estimator (MA SYE) computer program (version 2.0). The MA SYE was developed by the U.S. Geological Survey, in cooperation with the Massachusetts Department of Environmental Protection, to provide a planning-level decision-support tool designed to help decision makers estimate daily me

Date published: January 1, 2018

Low-streamflow trends and basin characteristics for 2,482 U.S. Geological Survey streamgages in the conterminous U.S. (ver. 2.0, February 2019)

This data release contains drainage basin characteristics and low-streamflow trend results for 2,482 U.S. Geological Survey (USGS) streamgages in the conterminous U.S. Data include streamgage identification number, name, drainage area, latitude, longitude, percent developed land use, percent crop land use, dam storage, streamgage classification, record completeness status%

Date published: January 1, 2018

Data on Nitrogen Concentrations and Loads for the Connecticut River at Middle Haddam, Connecticut, Computed with the Use of Auto-Sampling and Continuous Measurements of Water Quality, 2008-2014

This U.S. Geological Survey data release presents tabular daily data on nitrate plus nitrite nitrogen and total nitrogen loads for the Connecticut River at Middle Haddam, Connecticut, from December 6, 2008, to September 30, 2014. The data release contains total nitrogen concentration estimates at 15-minute intervals from December 2011 to September 2014. The data release also includes ta

Date published: January 1, 2018

Shapefiles of shoreline positions and boundary of a permeable reactive barrier as determined by GPS, Ashumet Pond, Falmouth, MA

ESRI Shapefiles of the May 30,2007, July 31, 2008, August 14,2014, and August 4, 2015 shoreline positions and the boundary of a lake-bottom permeable reactive barrier at Ashumet Pond, Falmouth, MA as determined by using a handheld GPS.

Date published: January 1, 2018

Flood-Inundation Grids and Shapefiles for the Lower Pawcatuck River in Westerly, Rhode Island, and Stonington and North Stonington, Connecticut

A series of 11 digital flood-inundation maps were developed for a 5.5 mile reach of the lower Pawcatuck River in Westerly, Rhode Island and Stonington and North Stonington, Connecticut by the U.S. Geological Survey in cooperation with the Town of Westerly, Rhode Island and the Rhode Island Office of Housing and Community Development. The coverage of the maps extends from downstream from the...

Date published: January 1, 2018

Field measurements of temperature in vertical lakebed profiles near a permeable reactive barrier, Ashumet Pond, Falmouth, MA

This dataset contains field measurements of temperature in shallow vertical profiles beneath a lake-bottom in the vicinity of a permeable reactive barrier (PRB) at Ashumet Pond, Falmouth, MA. From 08/21/2015&#8211;09/03/2015 vertical temperature profilers designed to quantify groundwater upwelling dynamics were installed at seven locations. Hollow stainless steel pipes (2.5 cm OD) were...