|Pawcatuck River and Little Narragansett Bay, CT and RI|
|Hammonassett River, CT||Mumford Cove, CT||Niantic River, CT|
|Ninigret Pond, RI||Quonochontaug Pond, RI|
DEP Long Island Sound Data Access Portal - Access to the data from DEP Long Island Sound Cruises, from 1988 to present day at 22 stations. Parameters monitored include temperature, salinity, oxygen, chlorophyll, total suspended solids, and nutrients.
DEP Long Island Sound Water Quality Monitoring Maps - Maps depict the extent of low dissolved oxygen in Long Island Sound for bi-weekly surveys conducted between June and September by the CT DEP.
Long Island Sound Resource Center - Geological data for Long Island Sound. Including cores, multiple types of acoustic surveys, and photos.
Long Island Sound Integrated Coastal Observatory System - Includes tidal currents, surface currents, water quality data, and meteorological data.
MySound Project - Real-time monitoring of Long Island Sound, including water quality, wave data, and meteorological parameters. The web site also includes many links to data sources for LIS and New England.
NOAA's National Data Buoy Center - Northeast USA recent marine data.
USGS Connecticut Water Science Center - Daily stream flow, ground water levels, stream gaging information, real-time and historical data, plus publications available for download.
USGS Massachusetts-Rhode Island Water Science Center - Daily stream flow, ground water levels, stream gaging information, real-time and historical data, plus publications available for download.
USDA Coastal Zone Soil Survey of Little Narragansett Bay - Maps and inventory of the subaqueous soils, conducted by the Natural Resources Conservation Service of the United States Department of Agriculture.
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