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State
WBDLine 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... -
City
Watershed Boundaries
City of Austin —
This watershed boundary consists of modeled lines and edited lines based on site plans and field investigations. -
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
Local Drainage Basin Set
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... -
City
UTILITIESCOMMUNICATION.DrainagePipeREFDOC
City of Austin —
The Drainage Pipe REFDOC table should be used in conjunction with the Drainage Pipe feature class https://data.austintexas.gov/dataset/Drainage-Pipe/ybys-rwgs with a... -
City
UTILITIESCOMMUNICATION.JunctionREFDOC
City of Austin —
The Junction REFDOC table should be used in conjunction with the Junction feature class https://data.austintexas.gov/dataset/Junction/bebd-359f with a join on the... -
City
Combo Inlet
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... -
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
2-digit HU (Region) 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... -
City
Watershed Sink
City of Baton Rouge —
Polygon geometry with attributes displaying sink areas of watersheds in East Baton Rouge Parish. Sinks are the areas at or below the 100 year flood plain elevation... -
State
8-digit HU (Subbasin) 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... -
City
UTILITIESCOMMUNICATION.stormwater_control_REFDOC
City of Austin —
The Stormwater Control REFDOC table should be used in conjunction with the Stormwater Control feature class https://data.austintexas.gov/Utilities-and-City-... -
City
UTILITIESCOMMUNICATION_stormwater_control_drain_area
City of Austin —
Storm water control drainage areas were delineated using site plans, elevation contours, aerial photos, and drainage infrastructure GIS. These areas are used in land... -
City
Discharge Pump
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... -
State
Major Basin Polygon
State of Connecticut —
See full Data Guide here.Major Drainage Basin Set: Connecticut Major Drainage Basins is 1:24,000-scale, polygon and line feature data that define Major drainage basin... -
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... -
City
Watershed Water Quality Data
City of New York —
Data collected to fulfill the requirements of the SWTR (Surface Water Treatment Rule) and FAD (Filtration Avoidance Determination). Data is collected via grab...