Commercial Navigable River: Delaware Valley
2020. DVRPC-GIS. The DVRPC navigable river layer is a polygon layer representing the extents of the Delaware and Schulykill rivers that are designated for commercia...
Community Rating System Special Flood Hazard Areas: Washington D.C.
2015. Federal Emergency Management Agency. The dataset contains locations and attributes of the Community Rating System - Special Flood Hazard Areas created as part of the DC Geographic Info...
FEMA 100 Year Flood Zone: Harford County, Maryland
2018. Harford County Government. FEMA 100 Year Flood Zone, Harford County Maryland.
FEMA 500 Year Flood Zone: Harford County, Maryland
2018. Harford County Government. FEMA 500 Year Flood Zone, Harford County Maryland.
Floodplain - Effective Fema Floodplain: Maryland
2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.The Effective Floodplain layer represents the official regulato...
Floodplain - Preliminary Fema Floodplain: Maryland
2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.This layer offers the anticipated floodplain boundaries however...
Floodplain: Harford County, Maryland
Harford County Government. The regulatory 100-year floodplain is an area mapped by the Federal Emergency Management Agency based upon the probability of that area flooding fr...
Gauges - Stream Gauge Locations: Maryland
2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.AHPS Shapefile - Observations - a shapefile of river and ...
Gauges - Tide Gauge Locations: Maryland
2016. ArcGIS Online for 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 i...
Hydrography Lines: Washington, District of Columbia, 2017
2017. D.C. Office of the Chief Technology Officer. Hydrography lines. The dataset contains polylines representing planimetric hydrography, created as part of the DC Geographic Information System (DC...
