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, 2019

InterpretSELDM version 1.0 The Stochastic Empirical Loading and Dilution Model (SELDM) output interpreter

The InterpretSELDM program is a graphical post processor designed to facilitate analysis and presentation of stormwater modeling results from the Stochastic Empirical Loading and Dilution Model (SELDM), which is a stormwater model developed by the U.S. Geological Survey in cooperation with the Federal Highway Administration. SELDM simulates flows, concentrations, and loads in stormflows

Date published: January 1, 2019

Polycyclic Aromatic Hydrocarbons (PAHs) in Parking Lot Dust and Pavement Runoff Receptor Sites in Augusta, Maine

The dataset includes results from the analysis of sediments and solids collected from receptor sites receiving runoff from adjacent parking lots and other paved surfaces. Receptor sites include parking lot catch basins, retention ponds, drainage ditches, and storm-water discharge zones in streams and rivers. Samples were analyzed for percent moisture content and concentrations of 17 U.S. En...

Date published: January 1, 2019

Snow Depth and Snow Water Equivalents at Sleepers River Research Watershed, Danville, Vermont

Snow depth and snow water equivalent (SWE) measurements have been made at Sleepers River Research Watershed starting in 1960. Initial snowpack measurements were made by the Agricultural Research Service joined by the National Weather Service in 1966. Cold Regions Research and Engineering Laboratory started measuring the snowpack in 1979, followed by the U.S. Geological Survey from 1993 to t...

Date published: January 1, 2019

Water Quality data from the Providence Water Supply Board for tributary streams to the Scituate Reservoir, water year 2017

Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2016 through September 2017 (water year 2017). Water-quality samples were collected by the PWSB either monthly or quarterly at fixed stations on 36 tributaries in the Scituate Reservoir drainage area. These data were used to calculate instantane

Date published: January 1, 2019

Trends in 7-day-low streamflows at 174 USGS streamflow gages in the Chesapeake Bay watershed, Mid-Atlantic U.S.

This data set contains U.S. Geological Survey (USGS) streamgage identification numbers, begin and end years of the periods of streamflow record tested, Sen slope trends in the annual minimum 7-day streamflow for the period of record tested, the p-values (significance) of the trends, and the trend Sen slopes standardized by the standard deviations of the residual errors defined as

Date published: October 1, 2018

Highway-Runoff Database Version 1.0.0b

The Highway-Runoff Database (HRDB) was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration (FHWA) to provide planning-level information for decision makers, planners, and highway engineers to assess and mitigate possible adverse effects of highway runoff on the Nation’s receiving waters. The HRDB was assembled by using a Microsoft

Date published: April 9, 2018

Water Use Data for Connecticut

Use the link to access water use data for Connecticut on the National Water Information System (NWIS) web interface.

The water use data presented there were compiled and published by the USGS's National Water Use Information Program (NWUIP).

These are the current best estimates and may have been revised from previous publications.

Date published: March 7, 2018

St. Croix River at outlet to East Grand Lake bathymetric data and Forest City Dam Survey, Enited States-Canadian border in Maine and New Brunswick

These are survey data for the Forest City Dam at the Outlet to East Grand Lake on the St. Croix River between Maine and Canada. And they are bathymetric data surrounding the outlet dam collected with an Acoustic Doppler Current Profiler (ADCP)

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

Temperature and Seepage Data from a Lake-Bottom Permeable Reactive Barrier, Ashumet Pond, Falmouth, MA, 2004-2015

This data release includes geospatial datasets, comma separated values (.csv) files, and associated FGDC-compliant metadata representing data collected between 2004 and 2015 as part of a study of groundwater/surface-water interaction in the area of a lake-bottom permeable reactive barrier at Ashumet Pond, Falmouth, Massachusetts. The data sets are organized by type: (1) Fiber

Date published: January 1, 2018

High-water mark data from Hurricane Sandy for the coastal areas of Connecticut, Rhode Island, and Massachusetts, October 29-30, 2012

High-water marks were collected following Hurricane Sandy, October 29-30, 2012, along the coastal areas of Connecticut, Rhode Island, and Massachusetts. Information on 371 high-water marks that were flagged following Hurricane Sandy is presented in this data release. The general information on the high-water marks presented includes site identification number, location, elevation,

Date published: January 1, 2018

Peak-streamflow trends and change-points and basin characteristics for 2,683 U.S. Geological Survey streamgages in the conterminous U.S.

This data release contains drainage basin characteristics and peak-streamflow trend and change-point results for 2,683 U.S. Geological Survey (USGS) streamgages in the conterminous U.S. Data include streamgage identification number, name, drainage area, latitude, longitude, percent urban land use, dam storage, streamgage classification, record completeness status, lag-1 au