Back to Search Waterloo Water Works Categories UTILITIES MEMBER TIER Member Tier 325 Sycamore St. , Waterloo , IA , 50703 P.O. Box 27 , Waterloo , IA , 50704 Send Email http://www.cityofwaterlooIA.com/departments/water_works/index.php Membership Type Member Tier Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone