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: 71
Date published: January 1, 2018

Field measurements of lake-bottom groundwater temperatures from fiber-optic distributed temperature sensing (FO-DTS), Ashumet Pond, May 30-31, 2007, and related GIS vector and raster files

This dataset contains field measurements (CSV file) of temperature and light intensity recorded during a survey of lake-bottom temperatures in May 2007 using a Fiber-Optic Distributed Temperature Sensing (FO-DTS) system at Ashumet Pond, Falmouth, Massachusetts. An ESRI shapefile of point locations and attributes from the survey and an ESRI raster datasets derived from the Fiber Optic...

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 mean...

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...

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

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, and trend slopes and...

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 08/21/2015–09/03/2015 vertical temperature profilers designed to quantify groundwater upwelling dynamics were installed at seven locations. Hollow stainless steel pipes (2.5 cm OD) were...

Date published: January 1, 2018

Field measurements of lakebed groundwater temperatures, July 2008, August 2014, and August 2015, Ashumet Pond, Falmouth, MA

This dataset contains field measurements of lake-bottom groundwater temperatures collected during three surveys in July 2008, August 2014, and August 2015, by using a handheld thermocouple probe and GPS at a permeable reactive barrier at Ashumet Pond, Falmouth, MA. Included in the comma-separated file are unique site identifiers and location of measurement points, temperatures, dates, and...

Date published: October 26, 2017

Field Measurements of Lake-Bottom Seepage Near a Permeable Reactive Barrier, Ashumet Pond, Falmouth, MA

This dataset contains field measurements of direct groundwater seepage using half-barrel style seepage meters permanently installed in a lake-bottom permeable reactive barrier (PRB) at Ashumet Pond, Falmouth, MA. The meters are a modified version of the design by Lee (1977) and measurements followed practical considerations by Rosenberry and LaBaugh (2008). Each meter consists of a 208-L...

Date published: August 31, 2017

Rainfall and streamflow data for computing lag to peak at streamgages representing small drainage areas in Maine (2008-2015)

These are rainfall and stream stage data collected at gaging sites in Maine. Data were collected from March to October from 2008 to 2015 and include stage data at crest stage gages, ratings to convert stage data to streamflow data, previously unpublished rainfall data, rainfall binned into specified time intervals, and storm files combining rainfall and streamflow data. Data were collected,...

Date published: March 16, 2017

Poly- and perfluoroalkyl substances in contaminated groundwater, Cape Cod, Massachusetts, 2014-2015

The U.S. Geological Survey Toxic Substances Hydrology Program Cape Cod Research site has been the subject of intensive hydrological and geochemical investigations. The site has multiple sources of poly- and perfluoroalkyl substances (PFASs), including perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA), for which the U.S. Environmental Protection Agency has issued health advisories...