Cross-Media Electronic Reporting Rule

Introduction: Background on CROMERR


Note: This training is primarily intended for applicants pursuing largely or entirely custom-built systems; review timeframes are reflective of custom systems.

Welcome to Cross-Media Electronic Reporting Rule (CROMERR) 101: Fundamentals for States, Tribes, and Local Governments.

This course is designed for states, tribes, and local governments that:

The course consists of eight lessons, which are listed to the left in the menu bar. You may select any lesson from this menu at any time or use the Back and Next links to access the training in sequence.

Throughout the course, you will encounter certain words and phrases that appear as hyperlinked text. These are key terms that have specific meaning. By selecting the hyperlinked words, the CROMERR definition of that term will appear in a pop up box.

Back and next links are provided to the right above and below all page content to allow quick navigation through the course pages. On pages where course content is particularly substantive, these back and next links will instead move you through important sub-points.



For purposes of CROMERR, the term “States” includes the District of Columbia and the United States Territories, as specified in the applicable statutes.

EPA-Authorized Programs

States, tribes, and local governments that have been delegated, authorized, or approved, or which seek delegation, authorization, or approval to administer a federal environmental program under Title 40 of the Code of Federal Regulations (CFR).

Title 40

The Code of Federal Regulations (CFR) is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the federal government. The CFR is divided into 50 sections, called “titles.” Title 40 is the section of the CFR that deals with EPA’s mission of protecting human health and environment.