Data and Tools
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WhAEM2000 BBM Files - Price, Utah
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Price Quadrangle, Utah. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Ogden, Utah
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Ogden Quadrangle, Utah. Files serve as geographic basis for groundwater modeling.
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Virtual Beach 2.2 Download Page
Download Page for Virtual Beach 2.2 software package for developing models for prediction of pathogen indicator levels at recreational beaches. Provides Download Files. Released March 2012
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WhAEM2000 BBM Files - Salem, South Dakota
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Salem Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Rapid City, South Dakota
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Rapid City Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.
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Design Flow Analysis Project Phase One Low-Flow Analysis Case Study
This presentation explains the project background and purpose, presents the status of DFLOW 3.0 as a tool for states, presents case study, and lays out a plan for the nest steps of the project.
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AQUATOX 3.2 Supporting Documents
Contains the user's manual, technical documentation, sensitivity analysis, and technical notes for AQUATOX.
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Watershed Health Assessment Tools Investigating Fisheries WHAT IF Version 2: A Manager’s Guide to New Features
The CVI Watershed Health Assessment Tool Investigating Fisheries, WHAT IF version 2, currently contains five components: Regional Prioritization Tool, Hydrologic Tool, Clustering Tool, Habitat Suitability Tool, BASS model
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ADWR Compliance Reports
Aircraft Drinking Water Rule (ADWR) Compliance Interface for the Public
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Criminal Provisions of the Clean Air Act
Describes the criminal provisions of the Clean Air Act
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Envirofacts Data Service API (V1)
Envirofacts is developing web services to facilitate the sharing of its functionality and information. Version 1 of the Envirofacts REST Service is detailed on this page.
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Total Deposition Maps
Annual average total deposition estimated with the TDep Measurement Model Fusion method that combine the dry deposition and wet deposition grids.
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Dry Deposition Maps
Annual average dry deposition estimated with the TDep Measurement Model Fusion method using the measured air concentrations from CASTNET and modeled CMAQ deposition velocities and fluxes.
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Maps & Charts
Available maps from the Clean Air Status and Trends Network (CASTNET)
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WhAEM2000 BBM Files - Marshfield, Wisconsin
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Marshfield Quadrangle, Wisconsin. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Redfield, South Dakota
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Redfield Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - New Underwood, South Dakota
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for New Underwood Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.
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The National Nutrient Inventory Webinar Archive
This EPA Tools & Resources webinar, recorded May 17th, offers an overview of the nutrient inventory research portfolio – specifically highlighting datasets and research available to date.
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Enhancing Nutrient Reduction Efforts with the National Nutrient Inventory Training Webinar Archive
This EPA Tools & Resources Training webinar showcased EPA’s National Nutrient Inventory Research Portfolio.
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The Community Multiscale Air Quality Modeling System (CMAQ) Version 5.4 Webinar Archive
This Webinar, recorded January 18th, provides an overview on the Community Multiscale Air Quality (CMAQ) Modeling System, EPA ’s premier modeling system for studying air pollution from global to local scales.