An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Scientific Diving

Contact Us About Scientific Diving

Report an environmental violation

Report possible violations of environmental laws and regulations.

For general questions about EPA's scientific diving program, contact Sean Sheldrake (sheldrake.sean@epa.gov), 206-553-1220.

For questions about safety procedures and protocol, contact Alan Humphrey (humphrey.alan@epa.gov), 609-865-4546.

For questions about diver training, contact Mel Parsons (parsons.mel@epa.gov), 706-355-8714.

For information about diving careers at EPA, see What it takes to be an EPA diver.

Mailing Address:

EPA Region 10
Attn: Sean Sheldrake/EPA Diving Program
1200 6th Avenue, Suite 155 - Dive Operations-01
Seattle, WA 98101


Or use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.