Produce Safety Technicians can do all the testing for you! For post-harvest water (hand washing, produce washing, cleaning,etc.), you must use water that tests as no detection of generic E. coli! As per the FSMA Produce Safety Rule’s new Water Rule, testing your irrigation water is not required in order to complete your Agricultural Water Assessment (if you are GAP audited and your audit requires water testing, keep testing at that frequency. The change in water testing being