National Assessment Database

The National Assessment Database stores and tracks state water quality assessment decisions, Total Maximum Daily Loads (TMDLs) and other watershed plans designed to restore impaired waters.

Data and Resources

This dataset has no data

Field Value
accessLevel public
accrualPeriodicity irregular
bureauCode {020:00}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://edg.epa.gov/metadata/RestQueryServlet?f=dcat&searchText=metadataFormat:(iso)&owner=13&max=350
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier {250F8E5D-ADC2-4984-82EF-27A23EFA0F08}
issued 2014-01-01
landingPage https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B250F8E5D-ADC2-4984-82EF-27A23EFA0F08%7D
license https://edg.epa.gov/EPA_Data_License.html
modified 2014-01-01
old-spatial -180.0,18.0,-66.0,72.0
programCode {020:072}
publisher U.S. EPA Office of Water (OW)
references {https://edg.epa.gov/metadata/rest/document?id=%7B250F8E5D-ADC2-4984-82EF-27A23EFA0F08%7D,https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B250F8E5D-ADC2-4984-82EF-27A23EFA0F08%7D}
resource-type Dataset
source_datajson_identifier true
source_hash 7687788c8d31cd6235f95757a7887e1653a75f09
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-180.0, 18.0], [-180.0, 72.0], [-66.0, 72.0], [-66.0, 18.0], [-180.0, 18.0]]]}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • ckan
  • datafinder
  • environment
  • environmental-media-topics
  • geo
  • geoss
  • national
  • north-america
  • united-states
  • water
  • watersheds
isopen False
license_id other-license-specified
license_title other-license-specified
maintainer Water Support, U.S. EPA Office of Water (OW)
maintainer_email waters_support@epa.gov
metadata_created 2025-11-21T08:39:11.252178
metadata_modified 2025-11-21T08:39:11.252182
notes The National Assessment Database stores and tracks state water quality assessment decisions, Total Maximum Daily Loads (TMDLs) and other watershed plans designed to restore impaired waters.
num_resources 0
num_tags 13
title National Assessment Database