EPA Web Application Access Login

Welcome to the EPA Web Application Access


This is a gateway for authorized users to find, request access, and manage EPA tools, applications, and communities. If you have an EPA LAN account, login with your LAN User ID and Password. If you do not have an EPA LAN account, you must self-register for a Login.gov account and request access to EPA WAA Community by following these steps.

Warning Notice

  1. This is a United States Environmental Protection Agency (EPA) computer system, which may be accessed and used only for official Government business.
  2. Unauthorized access or use of this system may subject violators to criminal, civil, and/or administrative action.
  3. All information on this computer system may be monitored, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including law enforcement.
  4. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms.

Clicking the Login button constitutes consent to these terms.