Web Tools

The U.S. Geological Survey collects long-term hydrologic data and conducts scientific research within Long Island Sound and its watershed. This geonarrative summarizes the history, features and the ecological and societal importance of the Long Island Sound and its watershed. It also discusses the ongoing challenges that threaten the Sound’s environmental health. 

This interactive geonarrative presents information on how feasible it is to develop a GIS-based hydraulic modeling tool for preliminary culvert designs for stream crossings in Massachusetts.

A method (commonly referred to as the Frimpter method) was developed in early 1980’s to estimate probable high groundwater levels across Massachusetts. The map and table on the web page linked above provide information on wells in the Massachusetts Observation-Well Network which have been used as index wells.

View recent monthly and daily groundwater levels in New England relative to long-term monthly statistics.

This interactive map displays the location of water-quality data-collection sites, the drainage area for the Merrimack River, and selected streams in the Merrimack River Basin.

This dashboard application displays nitrogen concentrations and loads in selected Long Island Sound tributaries. 

View recent and historical chloride and specific conductance data for active water-quality monitoring stations on streams in Connecticut, Massachusetts, and Rhode Island.

Dashboard presenting nor’easter storm events in coastal New England in January and March 2018.

Geonarrative about flood documentation and mapping of two large storm events in coastal Massachusetts.

The National Water Dashboard (NWD) is a mobile, interactive tool that provides real-time information on water levels, weather, and flood forecasts - all in one place on a computer, smartphone, or other mobile device. The NWD presents real-time stream, lake and reservoir, precipitation, and groundwater data from more than 13,500 USGS observation stations across the country.

The New England Water Science Center has collected, reviewed, and aggregated water-withdrawal data in each of the six States every 5 years since 1950. The summary of the water-use compilation completed in 2015 is presented in this geonarrative.

Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater.