Perennial and Intermittent Streams

USGS National Hydrography Dataset (NHD): Flowline is the fundamental flow network consisting predominantly of stream/river and artificial path vector features. It represents the spatial geometry and carries the attributes. Data selected from NHD Flowline feature class to contain only FType code 460, StreamRiver (Perennial, intermittent) for the state of California.

Data and Resources

[WMS] Perennial and Intermittent StreamsWMS
Web Map Service (WMS) endpoint providing visualization capabilities for...
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[WFS] Perennial and Intermittent StreamsWFS
Web Feature Service (WFS) endpoint for Perennial and Intermittent Streams
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[DATA] Perennial and Intermittent StreamsSHP
Zipped file containing the shapefile file and associated metadata for...
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Additional Info

Field	Value
Last Updated	July 6, 2025, 00:40 (UTC)
Created	July 6, 2025, 00:40 (UTC)
category	/Operational Data Layers/Aquatic
collection_name	California Landscape Metrics
creation_method	Data selected from NHD Flowline feature class to contain only FType code 460, StreamRiver (Perennial, intermittent) for the state of California.
data_units	Tabular attributes
data_vintage	12/2022
element	Aquatic
file_name	NHD_Stream_2022.shp
format	shapefile
metric_definition_and_relevance	USGS National Hydrography Dataset (NHD): Flowline is the fundamental flow network consisting predominantly of stream/river and artificial path vector features. It represents the spatial geometry and carries the attributes.
source	USGS National Hydrography Dataset (NHD)
spatial	{"type": "Polygon", "coordinates": [[[-0.0011177641705941823, 0.00028427082545459675], [-0.0010229147904729549, 0.00028427082545459675], [-0.0010229147904729549, 0.00038612050954064286], [-0.0011177641705941823, 0.00038612050954064286], [-0.0011177641705941823, 0.00028427082545459675]]]}
sub_collection_name	Operational Data Layers