Data and Tools
-
Metadata State Boundaries
State Boundaries in the United States for BASINS
-
Metadata Water Quality
EPA's STORET Water Quality Monitoring and Data Summaries for CONUS
-
E3 Sample Invitation Letter - from the City of Columbus
Sample letter to send to potential companies to participate in an E3 program.
-
Metadata County Boundaries
Counties and County Equivalents Boundaries in the United States for BASINS
-
Metadata Water Quality Observation
EPA's STORET Water Quality Observation Data for CONUS
-
Metadata Weather Data Management
NOAA's National Climatic Data Centers (NCDC) Weather Data Management (WDM) Stations Point Locations in the United States, Puerto Rico, and the U.S. Virgin Islands
-
Metadata Bacteria Monitoring
EPA's STORET Bacteria Monitoring Stations and Data Summaries for CONUS
-
Metadata Gaging Stations
USEPA STORET Stream Flow Data from Gaging Stations in CONUS
-
Metadata Hydrologic Unit Boundaries
USGS Hydrologic Unit Boundaries of the Conterminous United States in BASINS (accounting unit, cataloging unit).
-
Section 14: Surface Water - Environmental Threat
Learn about environmental threats associated with surface water and how they are identified. Three factors that are considered when selecting the most hazardous substance for a threat are ecotoxicity, persistence, and bioaccumulation potential.
-
Section 17: Air - Waste Characteristics & Targets
The air migration pathway for evaluating HRS scores evaluates the likelihood of release of hazardous substances into the atmosphere and how many people and sensitive environments could be exposed to hazardous substances carried in the air.
-
Section 15: Surface Water - Ground Water to Surface Water Component
Learn about surface water targets, which can be threatened by the release of contaminated ground water.
-
Pollutant Load Estimation Tool (PLET)
Describes functionality of the Pollutant Loat Estimation Tool (PLET), which calculates nutrient and sediment loads from different land uses and load reductions from BMP scenarios
-
StreamCat Web Tool (Table View)
The table view version of the StreamCat Web App
-
LakeCat Web Tool (Table View)
The table view version of the LakeCat Web App
-
LakeCat Web Tool (Map View)
A page for testing StreamCat on Drupal
-
StreamCat Web Tool (Map View)
A page for testing StreamCat on Drupal
-
BASINS User Information and Guidance
This page provides links to guidance on how to use BASINS, including the User’s Manual, tutorials and training, technical notes, case studies, and publications that highlight the use of BASINS in various watershed analyses.
-
Decision Tool for Downstream Water Quality Protection
This tool is designed to help states, tribes, and territories identify resources and methodologies when developing criteria that provide for attainment and maintenance of downstream water quality.
-
CSAPR Compliance Year 2024 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2023 compliance year.