Headquarters Library

The mission of the Headquarters Library is to improve access to information for decision making and environmental awareness. The library supports EPA Headquarters staff and makes information resources accessible to the public.

Contact Information

We are located at:
Room 3340, William Jefferson Clinton West Building
1301 Constitution Avenue NW
Washington, DC 20004

Visitors must enter EPA William Jefferson Clinton West at the Constitution Avenue entrance and check in at the security desk in the main lobby. Learn more about visiting EPA Headquarters.

All EPA visitors are required to show photo identification, pass through a metal detector, and sign the EPA visitor log. Visitors will receive a visitor pass, which must be visible at all times and must be returned at the conclusion of the visit. Visitor materials, including purses, backpacks, briefcases, etc. will be processed through an X-ray machine. Visitors will be escorted to the library by a security representative or library staff.

We can be contacted at:
Email: hqchemlibraries@epa.gov
Phone: (202) 566-0556

Mailing Address:
EPA Headquarters Library
MC3404T
1200 Pennsylvania Avenue NW
Washington, DC 20460

Hours of Operation
9:30 AM – 3:30 PM, Monday through Friday. Appointments strongly recommended.
Closed on federal holidays.

Services include reference/research assistance and interlibrary loan/document delivery.

Borrowing Policy and Interlibrary Loans

Borrowing privileges are limited to EPA staff and onsite contractors.

To locate EPA library and repository materials, you can search the EPA National Library Catalog. If you have any questions, please call or email.

Information For Other Libraries: We freely share materials with other libraries via the OCLC Interlibrary Loan system and other cooperatives as described below. The Headquarters Library's OCLC symbol is EJB. We are members of FEDL (Federal Libraries and Information Centers) and LVIS (Libraries Very Interested in Sharing). For libraries that do not have OCLC access, please contact the Headquarters Library at hqchemlibraries@epa.gov or (202) 566-0556 to discuss alternate methods for requesting materials.