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Page 10 of 20 <br /> Storm Water Management System Assessment <br /> Orono Truck Station <br /> Table 3-Surve Measurements East Pond <br /> Rod Readin A roximate Elevation <br /> To of Stand i e 2.66 937.58 <br /> Invert of Stand i e" 5.21 935.03 <br /> Location:OR-1, Between Inlet and Outlet Structures <br /> Coordinates: 152682.197,438536.391,850.432 <br /> To of Ice 6.02 934.22 <br /> To of Sediment from Ice 1.0 933.22 <br /> Bottom of Sediment from Ice 1.7 932.52 <br /> De th of Sediment 0.7 ft <br /> Location:OR-2, East Section of Pond <br /> Coordinates: 152708.701,438593.500,848.914 <br /> To of Ice 5.97 934.27 <br /> To of Sediment from Ice 0.7 933.6 <br /> Bottom of Sediment from Ice 0.5 932.8 <br /> De th of Sediment 0.8 ft <br /> *Known elevation from 2005 report used as benchmark <br /> It appears that an average of 0.75 feet of sediment has accumulated on the bottom of the basin. <br />