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State
MD iMAP: Maryland Wetlands - Wetlands (National Wetlands Inventory)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data set represents the extent - approximate location and type of... -
State
Connecticut NWI Wetlands 2024
State of Connecticut —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
State
Impaired Estuary 2018
State of Connecticut —
Connecticut 303(d) Impaired Waters 2018 is a subset of Connecticut 305(b) Assessed Waters 2018. If any one of the assigned designated uses is categorized as NOT... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListRiverStreamSegments_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
Tide Gauge Locations
State of Maryland —
This data layer shows the locations of NOAA tide gauges in Maryland. Knowledge of the timing and strength of tidal currents is extremely important for safe navigation... -
State
MD iMAP: Maryland Gauges - Tide Gauge Locations
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer shows the locations of NOAA tide gauges in Maryland.... -
State
Peconic Bay Small Mesh Trawl Survey Annual Catch per Unit Effort: Beginning 1987
State of New York —
In the early 1980s, the New York State Department of Environmental Conservation (NYSDEC) began the development of a fishery-independent trawl survey program to... -
State
305b Assessed 2014 Estuary
State of Connecticut —
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
Impaired Lake 2014
State of Connecticut —
Connecticut 303(d) Impaired Waters 2014 is a subset of Connecticut 305(b) Assessed Waters 2014. If any one of the assigned designated uses is categorized as NOT... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListLakeReservoirSegment_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
305b Assessed 2006 River
State of Connecticut —
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
MD iMAP: Maryland Soils - Chesapeake Bay Sand
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This is a data table - in comma-delimited - ASCII format - which contains... -
State
Spot Weakfish Croaker Juvenile Habitat
State of Maryland —
These datasets exist in raster and vector formats. The vector format was created from the SHA Shoreline file and graphic representations in the Lippson book (See... -
State
Spot Weakfish Croaker Juvenile Habitat
State of Maryland —
These datasets exist in raster and vector formats. The vector format was created from the SHA Shoreline file and graphic representations in the Lippson book (See... -
State
305b Assessed 2014 Lake
State of Connecticut —
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
Impaired River 2006
State of Connecticut —
Connecticut 303(d) Impaired Waters 2006 is a subset of Connecticut 305(b) Assessed Waters 2006. If any one of the assigned designated uses is categorized as NOT... -
State
305b Assessed 2014 River
State of Connecticut —
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
305b Assessed 2012 Estuary
State of Connecticut —
305b Assessed 2012 River, Lake, Estuary set: Connecticut 305b Assessed River 2012 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
County
Resource Protection Areas
Fairfax County, Virginia —
The Chesapeake Bay Preservation Ordinance was adopted to protect our local streams and one of the world's most productive estuaries, the Chesapeake Bay, from... -
State
MD iMAP: Maryland Bathymetry - Chesapeake Bay Contours
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bathymetry for Chesapeake Bay was derived from two hundred ninety-seven...