The City of Oconomowoc tests the water quality at Bender Beach and City Beach weekly. At this time City Beach is closed due to a one-time sampling over 1,000 colonies per 100mL of water. City Beach will remain closed until two consecutive samples taken on two consecutive days meet the established water quality standards. Bender Beach samples meet the standards and will remain open. Attached you will find a handout with answers to frequently asked questions on water quality testing.