Here are some other water polo websites of interest. Many of these pages have links to other teams and organizations.

United States Water Polo
Official Website of USWP, with lots of general information about water polo at all levels.
http://www.uswp.org/

H2OPolo.com
H2O Polo is an interactive site for water polo players with daily reports and submissions from the water polo community.
http://www.h2opolo.com/

Water Polo Players
This site is maintained by US National Player Chris Humbert. It focuses on the National team but has information of general interest, too.
http://www.waterpoloplayers.com/

Collegiate Water Polo Association
This is the site for the league in which Cornell competes.
http://www.collegiatewaterpolo.org/

Eastern Water Polo Referee's Association
Site for water polo referees which has several items of general interest, including the rules of water polo.
http://EWPRA.org/ewpra/

Water Polo Glossary Of Terms:
http://www.washingtonpost.com/wp-srv/sports/olympics/longterm/waterlo/terms.htm#TOP

History Of Water Polo:
http://www.geocities.com/Colosseum/Loge/4149/history.html

Awesome Apparel Site:
http://www.waterpolo-world.com/