The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Septic System Density

Published by U.S. Environmental Protection Agency, Office of Research and Development (ORD), Center for Public Health and Environmental Assessment (CPHEA), Pacific Ecological Systems Division (PESD), | U.S. Environmental Protection Agency | Metadata Last Checked: July 13, 2025 | Last Modified: 2023-11-13

This dataset represents density of septic systems within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. The data is based on the 1990 U.S. Census.

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Complete Metadata

bureauCode	[ "020:00" ]
dataQuality	true
describedBy	https://www.epa.gov/national-aquatic-resource-surveys/streamcat-metrics-and-definitions
describedByType	text/html
identifier	decccf96-783c-4e0e-962c-27da23c0289b
issued	2015-04-23
landingPage	https://www.epa.gov/national-aquatic-resource-surveys/streamcat-dataset
language	[ "en-US" ]
programCode	[ "020:072" ]
references	[ "https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=decccf96-783c-4e0e-962c-27da23c0289b", "https://www.epa.gov/national-aquatic-resource-surveys/streamcat-dataset#access-streamcat-data" ]
rights	public (Data asset is or could be made publicly available to all without restrictions)
spatial	-125.0,24.5,-66.5,49.5
temporal	2015/2030
theme	[ "environment" ]

Location