Search datasets
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This polyline feature class depicts the classification of each wild and scenic river segment designated by Congress and the Secretary of the Interior for the United States and Puerto Rico. This...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 01, 2026 at 04:00 AM -
This map service represents modeled streamflow metrics from the end-of-century time period (2070-2099) in the United States. In addition to standard NHD attributes, the streamflow datasets include...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 05:31 PM -
This map service represents the absolute change in modeled streamflow metrics between the historical (1977-2006) and mid-century (2030-2059) time periods in the United States. In addition to...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
This map service represents modeled streamflow metrics from the historical time period (1977-2006) in the United States. In addition to standard NHD attributes, the streamflow datasets include...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready geospatial data sets that...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
The Beaches Environmental Assessment and Coastal Health (BEACH) Program focuses on the following five areas to meet the goals of improving public health and environmental protection for beach...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
This map service represents the percent change in modeled streamflow metrics between the historical (1977-2006) and mid-century (2030-2059) time periods in the United States. In addition to...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 04:06 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
HYD_AREA_POLY: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are linear depictions of streams and...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 06, 2026 at 10:28 PM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:06 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:55 AM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 05:30 PM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:55 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
This map service represents the absolute change in modeled streamflow metrics between the historical (1977-2006) and end-of-century (2070-2099) time periods in the United States. In addition to...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:00 AM
