2022 Bass Lake E. coli Test Results Most recent first. Scroll down for previous results. September 6th, 2022 Report CA13159-SEP22 August 15th, 2022 Report CA12571-AUG22 July 25th, 2022 Report CA16923-JUL22 July 18th, 2022 Report CA12579-JUL22 July 5th, 2022 Report CA13171-JUL22