Search datasets
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This map data layer represents the linear hydrology features for the City of Bloomington, Indiana. This includes creeks, streams, lake shorelines, open channels, and detention pond boundary line features.
Search relevance: 101.39 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 05:59 PM -
This tabular data set represents the presence of six National Hydrography Dataset (NHD) high resolution waterbody types compiled for two spatial components of the NHDPlus version 2 data suite...
Search relevance: 94.13 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:03 PM -
Water bodies captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the surrounding states of MD and VA....
Search relevance: 93.64 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer...
Search relevance: 92.84 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer...
Search relevance: 90.72 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer...
Search relevance: 90.49 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Waterbodies - Small Scale.
Search relevance: 89.79 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
The polygons are intended for use by the City of Seattle as planning-level tool for a preliminary understanding of the drainage patterns in particular areas of the City. The layer is not complete...
Search relevance: 87.60 | Views last month: 2 | Catalog Last Checked: November 04, 2026 at 07:20 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Waterbodies - Large Scale.
Search relevance: 87.08 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
Waterbodies that exhibit persistent water and lack trees within the majority of its area are defined as open waterbodies by the National Hydrography Dataset (NHD, USGS, 2011). The data presented...
Search relevance: 84.92 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:49 PM -
Backwaters and other floodplain waterbodies are rare within the Middle Mississippi River. The lack of these habitats likely influences water quality, nutrient processing, and communities of...
Search relevance: 82.19 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:56 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon boundaries of lakes (generalized shape) in Maryland. Last Updated: Feature Service Layer Link:...
Search relevance: 80.63 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:48 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 - includes enhancements to the...
Search relevance: 79.34 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last Updated: Feature Service Layer...
Search relevance: 79.34 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Although the State of Maryland has no natural lakes - it has an abundance of created lakes and ponds...
Search relevance: 79.33 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:51 PM -
The resistance surface that formed the basis of our coastal marten connectivity model is comprised of several data layers that represent forested and non-forested land cover, waterbodies, rivers,...
Search relevance: 79.04 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:04 PM -
Water is a polygon feature class consisting of the following features and capture rules: Lakes, Reservoirs: Delineates the shoreline of all standing bodies of water designated as a lake or...
Search relevance: 78.81 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Under an Interagency Agreement, the USGS created a risk mapping web application for dreissenid mussels in the Columbia River Basin. Additional analysis was conducted investigating the usefulness...
Search relevance: 78.22 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:20 PM -
This EnviroAtlas web service contains layers depicting NHD Version 2.1 Plus flowlines and waterbodies for the conterminous United States. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the...
Search relevance: 77.11 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:25 AM -
This dataset contains raster layers for environmental characteristics for freshwater habitats including waterbodies (standing water including lakes and wetlands) and streams (moving water) for the...
Search relevance: 76.97 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:24 PM
