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The Grand Island Sanitary Sewer Collection System currently has ten (10) flow monitoring sites installed to date. The flow monitoring sites measure important parameters of the sanitary sewer flow including velocity and flow height. Once collected, this information is stored in a database, allowing it to be accessed by city staff and consultants to analyze diurnal flow patterns within the collection system, predicting future capacity, calculate peaking factors, and other factors vital to the design of the city’s wastewater collection and treatment infrastructure.

Wastewater Division staff added two (2) flow meter sites in the southwest Grand Island area, near the intersection of Highway 281 and Husker Highway (Hwy 34). This site was selected because it lays at the convergence of two tributary sewer mains just upstream of Lift Station No. 28, allowing collection of flow data from westerly residential sewer sheds from the southerly interstate growth areas.

On February 22, 2022, via Resolution No. 2022-42, City Council approved the purchase of two (2) flow meters in the total amount of $52,989.67 from GPM Environmental Solutions, LLC of Blair, Nebraska.

On April 12, 2022 City Council approved payment of $9,975.00 to The Diamond Engineering Company of Grand Island, Nebraska for installation of the two (2) flow meters.