Science & Technology

WhAEM2000 BBM Files - Missoula East, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Missoula East Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Lima, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Lima Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - New Hampshire and Vermont

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for quadrangles in New Hampshire and Vermont. Files serve as geographic basis for groundwater modeling.

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.

Combining Measurements and Modeling to Better Understand Ammonia Air-Surface Exchange Processes

Maps & Charts

Available maps from the Clean Air Status and Trends Network (CASTNET)

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.

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.

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.

WhAEM2000 BBM Files - Steele, North Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Steele Quadrangle, North Dakota. Files serve as geographic basis for groundwater modeling.

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.

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.

WhAEM2000 BBM Files - New Rockford, North Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for New Rockford Quadrangle, North Dakota. Files serve as geographic basis for groundwater modeling.

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.

The Final Ecosystem Goods and Services Scoping Tool Training Webinar Archive

Archive page for ecosystem good and services tool webinar

Opportunity for Prize Competitions at EPA Webinar Archive

Webinar archive for the tools and resources webinar on EPA prize competitions

WhAEM2000 BBM Files - McIntosh, North Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for McIntosh Quadrangle, North Dakota. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Minot, North Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Minot Quadrangle, North Dakota. Files serve as geographic basis for groundwater modeling.

POTW Nutrient Survey

National Study of Nutrient Removal & Secondary Technologies - online survey questionnaire for POTWs

2007 Community Scale Air Toxics Ambient Monitoring (CSATAM) Awarded Project Plans

Copies of the 2015 project plans awarded as part of the 2017 CSATAM grants.