2021 Bass Lake E. coli Test Results Most recent results first. Scroll down for earlier test results. Aug 16th, 2021 Report CA12654-AUG21 Aug 5th, 2021 Report CA13155-AUG21 July 26th, 2021 Report CA15620-JUL21 July 19th, 2021 Report CA12793-JUL21 July 5th, 2021 Report CA12080-JUL21