Clean Water Action News
202.895.0420; cleanwater.gov

Environmental Working Group
202.667.6982; ewg.org

EPA safe water hotline
800.426.4791; epa.gov/safewater

National Resources Defense Council
212.727.2700; nrdc.org

NSF International
800.NSF.MARK; nsf.org

The Pure Water Network
800.869.6691; pwn.com

Sierra Club
415.977.5500; sierraclub.com