Public Service Commission:
1-800-772-4636 | 1-502-564-3940 
http://www.psc.state.ky.us

Northern Kentucky Water District:
http://www.nkywater.org

Cincinnati Water Works:
http://www.cincinnati-oh.gov/gcww

American Water Works Association:
http://www.awwa.org
(Water quality/consumer confidence reports for many water systems, at water utility sites)

U.S. Environmental Protection Agency:
Office of Groundwater and Drinking Water
http://www.epa.gov/ogwdw

U.S. Food & Drug Administration:
http://www.fda.gov
(Good source of bottled water information. Search on bottled water)

U.S. Center for Disease Control & Prevention:
http://www.cdc.gov
(Good source for drinking water information. Search on drinking water)

U.S. Dept of Health & Human Services:
http://www.healthfinder.gov

NSF:
http://www.nsf.org
(Information about bottled water and home filters)