Hydromax USA continued its multi-year contract for flow monitoring and rain gauge services with the Metropolitan Sewer District of Greater Cincinnati (OH). Since the beginning of the contract, the weekly or bi-weekly field maintenance component has increased to over 100 sites. The sites include sanitary, combined and combined structure overflows with varying pipe shapes and sizes that range from 8-inch to 12-foot in size. Data from the meters is checked weekly and polished data is provided monthly for all meters. The data is used by MSDGC and its consultants for various reasons to include calibrating the hydraulic model, evaluating existing system conditions, and I/I control. During 2012, Hydromax USA also converted five open channel flow meter sites to permanent flumes for the purpose of increasing the accuracy of the billing to wholesale customers.