Tualatin Hills Swim Club (THSC) has served Washington County within the Tualatin Hills Park and Recreation District since 1957. Athletes ages 4 and up compete at the local, regional, national and international level. THSC alumni include multiple national, NCAA, and international competitors, as well as National Team members and Olympic medalists.

THSC is a non-profit, 501(c)(3), tax-exempt member of USA Swimming and Oregon Swimming, Inc., and is administered by a voluntary board of directors elected by our members.