Did you get this postcard in the mail? I sent this to you because you are listed as a water right holder with a Permit or License from the State Water Resources Control Board, or you report your diversion amounts. The Water Board‘s notification did not reach a large percentage of diverters, Permittees, and Licensees. I have heard from many of you that you do not know about the new requirements to have an accurate flow measurement device. The table below the postcard summarizes the requirements for measurement devices, with calendar dates.