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34 datasets found for "Hydrology"
  • State

    Groundwater Capture Zones

    State of Iowa —

    Groundwater capture zones are area projected to the land surface determined to provide water to the wells. Capture zones are determined for each groundwater-based...
  • County

    King County Ambient Streams Monitoring - Gaging Details

    King County, Washington —

    This dataset contains information on gaging locations associated with King County ambient stream monitoring program sites, including their status, location, and...
  • City

    Drainage Pipe

    City of Austin —

    The data being collected is to be used for several purposes: - Hydraulic/hydrologic modeling input - Work Order Management System integration - Map book production -...
  • State

    Rivers and Streams - Generalized

    State of Maryland —

    The digital segmented network based on watershed boundaries, ERF1-2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1)...
  • State

    Phosphorus Sediment Buffer Priority

    State of Maryland —

    The Natural Filter Buffer Priorities for Water Quality (Phosphorus / Sediment) layers identify priority forest/grass buffer opportunities by subwatershed (MD HUC 8)....
  • State

    SWGIHubCorShp

    State of Maryland —

    Maryland's green infrastructure is a network of undeveloped lands that provide the bulk of the state's natural support system. These data map hub and corridor...
  • State

    Western Washington Hydrology Model (WWHM)

    State of Washington —

    This dataset includes versions of the WWHM as they are released, including installation files and descriptions of changes along with dates and version numbers.
  • State

    Footprint

    State of Maryland —

    This is a map service of the 1972 Wetland Maps. These are guidance maps for regulatory purposes and not (and never were) a wetland delineation. Feature Link:...
  • State

    Federal Watersheds - HUC 11

    State of Maryland —

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have...
  • City

    Watershed

    City of Baton Rouge —

    Polygon geometry with attributes displaying digital elevation model (DEM) delineated watershed boundaries ranging from hydrologic unit code (HUC) 8 digit to 16...
  • State

    Priority Shoreline Areas

    State of Maryland —

    Each point in Coastal Resiliency Assessment Shoreline Points represents a 250 meter segment of the Maryland coast, including Atlantic, Chesapeake Bay and Coastal Bay...
  • State

    Nutrient Wetland Priority

    State of Maryland —

    The Natural Filter Wetland Priorities for Water Quality layers identify priority wetland restoration opportunities by subwatershed (MD HUC 8). The Natural Filter...
  • City

    Watershed Water Quality - Hydrology Qualifiers

    City of New York —

    Qualifiers, notes, and additional information regarding the sample data provided or omitted.
  • State

    Rivers Streams and Ditches

    State of Maryland —

    This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated set of geospatial data layers, including the...
  • City

    Watershed Water Quality - Hydrology

    City of New York —

    Routine stream monitoring results from 1987-Present.
  • City

    Watershed Water Quality - Sites

    City of New York —

    Site descriptions for all hydrological, keypoint, limnological, and wastewater treatment plant samples collected from 1984-present
  • City

    100-Year Storm Flood Risk Zone (July 2022)

    City of San Francisco —

    This shapefile (polygon feature) contains the boundary of the July 1, 2022 100-Year Storm Flood Risk Zone, one of the layers of the July 1, 2022 100-Year Storm Flood...
  • State

    Natural Heritage Areas

    State of Maryland —

    The multiple vector file denotes the 32 areas designated in the state's Threatened and Endangered Species regulations (COMAR 08.03.08) under section .10 Natural (1)...
  • State

    Federal Watersheds - HUC 11

    State of Maryland —

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have...
  • State

    Rivers and Streams - Generalized

    State of Maryland —

    The digital segmented network based on watershed boundaries, ERF1-2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1)...
34 datasets found for "Hydrology"

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