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24 <br />The department’s goal is to protect property and the natural environment from the effects of flooding and <br />pollution through proactive maintenance of the stormwater drainage system. The city maintains and extensive <br />stormwater system consisting of 598 culverts & Storm Pipes, 11 outfalls, 433 catch basins and 16 storm ponds. <br /> <br />7.05.01 By the Numbers (Metrics). <br /> <br /> <br />7.05.02 Key Activities. <br />The storm culvert on Tamarack Drive was replaced in November of this year. Various ditching projects also <br />occurred though the summer and fall to improve drainage in areas of the city. <br />7.06 Sanitary Sewer Maintenance. <br />The department’s goal is to provide a safe and efficient sanitary sewer collection system. The sanitary sewer <br />system consists of 329,728 feet of sewer main, 1238 Manholes, 46 Lift Stations, 19 Stationary Backup Generators <br />and 4 Portables serving 2253 customers. <br />7.06.01 By the Numbers (Metrics). <br />Strategy Measure Target 2022 2023 <br />Clean and inspect all city sewers at <br />least every five years to identify <br />area requiring maintenance or <br />possible I&I locations to drive <br />sanitary rehabilitation projects. <br />Feet of sewer main <br />cleaned/televised/ inspected <br />100% of <br />maintenance <br />Area <br />45,345 35,021 <br />Number of sewer Backups 0 0 0 <br />Number of I&I Exceedances 0 0 0 <br />Lift Stations inspected 46 46 46 <br />Strategy Measure Target 2021 2022 2023 <br />Decrease the risk of flooding for <br />facilities <br /># of structures flooded 0 0 0 0 <br />Reduce pollutants from entering the <br />stormwater system and surface <br />water bodies through street <br />sweeping. <br />Cubic Yards of <br />sweepings removed <br />from city streets <br />Increasing trend ↗ 23 38.9 25 <br />Pounds of phosphorus <br />removed <br />Increasing trend ↗ ~11.5 ~19.4 22.7 <br />Proactively maintain the system by <br />inspecting 1/5 of the system each <br />year and using those inspections to <br />inform maintenance activities. <br />Number of Structures <br />inspected <br />100% of Maintenance <br />Area <br />91 71 469 <br />Number of structures <br />replaced or repaired <br />As needed 1 3 3 <br /># Of ponds Inspected 100% of Maintenance <br />Area <br />4 4 4 <br />186