Science & Technology

RSIG3D Video Demonstrations

A set of video tutorials on the RSIG3D user interface and examples of its use.

EPA Interim Evaluation of 2016-2017 Milestone Progress in the Chesapeake Bay Watershed

This page provides the EPA interim evaluations of the 2016-2017 milestones for the Chesapeake Bay TMDL. These interim assessments provide a mid-point check on the progress made on the 2016-2017 milestones, recognizing the achievements made in 2016.

Technical Data and Reports on Ozone Measurements and SIP Status

EPA collects data from the states and regions on their air quality and state implementation plan (SIP) progress; and uses these to create reports, charts, and maps.

Coal Mine Methane – What EPA is Doing

What EPA is Doing

2015 U.S. Coal Mine Methane Conference

CMOP Event Presentations.

Part 75 Petition Responses

Find responses to petitions submitted by affected units subject to 40 CFR Part 75.

2018 Natural Gas STAR and Methane Challenge Renewable Natural Gas Workshop

Event page for the 2nd annual RNG workshop with AGA

National Lakes Assessment - Sediment Contaminants

key findings of the national lakes assessment report 2017

WhAEM2000 BBM Files - Youngstown, Ohio

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

WhAEM2000 BBM Files - Wellston, Ohio

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

WhAEM2000 BBM Files - Toledo, Ohio

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

WhAEM2000 BBM Files - Springfield, Ohio

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

WhAEM2000 BBM Files - Senecaville, Ohio

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

WhAEM2000 BBM Files - Ripley, Ohio

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

WhAEM2000 BBM Files - Put In Bay, Ohio

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Put-in-Bay Quadrangle, Ohio. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Pittsburgh West, Ohio

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

WhAEM2000 BBM Files - Piqua, Ohio

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

WhAEM2000 BBM Files - Parkersburg, Ohio

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

WhAEM2000 BBM Files - Newark, Ohio

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

WhAEM2000 BBM Files - Moundsville, Ohio

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