This site enables Vital Signs participants and the public to view and compare data collected with handheld Vital Signs tools.

Data can be displayed on the topographical map of the Gulf of Maine watershed and viewed in a pop-up table. Select data to view using tools on the View Data and Compare Data pages. Select different backgrounds on the Map Layers page. For more information, see About GIS or Data and Mapping Help.

To begin, please choose Interactive Map, here, or from the menu above.