-
County
Stormwater Management Concept Information
Montgomery County of Maryland —
A stormwater management concept is a statement or drawing, or both, describing the manner in which stormwater runoff from a proposed development will be controlled to... -
State
Regional Drainage Basin Lines
State of Connecticut —
See full Data Guide here. Regional Drainage Basin Set: Connecticut Regional Drainage Basins is 1:24,000-scale, polygon and line feature data that define Regional... -
County
Drainage Districts
Lake County, Illinois —
Download In State Plane Projection Here. Drainage districts are local bodies formed for the purpose of draining, ditching, and improving land for agricultural and... -
Federal
Ohio-drainage stream centerline coverage for use with Water Resources Investigations Report 03-4164
Department of the Interior —
This vector coverage of hydrography centerlines was derived from the National Hydrography Dataset (NHD), and encompasses all of Ohio and portions of Indiana,... -
Federal
Flood Frequency Data and 2020 Observed Flood Probability for Selected Streamgages in the Fortymile River Basin, Alaska, 1911–2020
Department of the Interior —
This data release provides the source data and results of a flood frequency analysis and annual exceedance probability estimation for a flood that occurred on June... -
Federal
Effects of Hillslope Gully Stabilization on Erosion and Sediment Production in the Torreon Wash Watershed, New Mexico, 2009–2012 - Associated Data
Department of the Interior —
Sediment erosion and deposition in two sets of paired (treated and untreated) upland drainages in the Torreon Wash watershed, upper Rio Puerco Basin, New Mexico, were... -
State
Regional Drainage Basin Polygon
State of Connecticut —
See full Data Guide here. Regional Drainage Basin Set: Connecticut Regional Drainage Basins is 1:24,000-scale, polygon and line feature data that define Regional... -
State
Local Basin Lines
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
State
Subregional Basin Polygon
State of Connecticut —
See full Data Guide here.Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define... -
State
Local Drainage Basin Direction
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
State
6-digit HU (Basin) NGDA
State of Oregon —
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... -
State
Drainage Basin Lines
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
Federal
San Pedro River Aquifer Data Release - Transboundary Aquifer Assessment Program (TAAP)
Department of the Interior —
This is a release of data presented in the report "Binational Study of the Transboundary San Pedro Aquifer", Callegary and others, 2016: Callegary, J.B., Minjárez... -
City
PA Drain Pipes
City of Philadelphia —
Locations and attributes of drainage pipe structures that intersect with a state route -
State
Drainage Basin Polygon
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
Federal
Selected streamgage sites and periods of record for consideration of flood-generating mechanisms in Hawai‘i and Southeast Alaska, 1913-2022
Department of the Interior —
This data release consists of a comma-delimited ascii file with attributes for 21 U.S. Geological Survey streamgage sites in Hawai‘i and Southeast Alaska selected to... -
City
UTILITIESCOMMUNICATION_OpenChannel
City of Austin —
This data has been collected as part of a larger project by the City of Austin's Watershed Protection and Development Review Department to inventory its drainage... -
Federal
Reynolds Creek Experimental Watershed, Idaho (Discharge)
Department of Agriculture —
Reynolds Creek Experimental Watershed discharge records are available for 13 stations with varying lengths of record ranging from 8 to 34 years. The U.S. Department... -
Federal
Flood Frequency Data for a Streamgage in the Hulahula River Basin, Alaska, 2011–2021
Department of the Interior —
This data release provides the source data and results of a flood frequency analysis for a streamgage in the Hulahula River Basin, Alaska. Data are provided for one...