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2025 Stormwater Update <br />Past Projects <br />� .�, NL,.I'efl11�F'rR�3hT1& lr J I <br />a I ' REMOVE AND RERACEI a.�t.� I+It1�r� <br />.ED'6;NCH RCP , il�}F <br />APRON. REPAP DNNTAGEI I r I' __ µ, . SEEDAND ERObIdI <br />TO GDMIECTINGI �' 7 Ip' I, r 4 Ill�t,� 13.. .CONTROL SLAM�F <br />SECTgN OFfiCP 1:,( ✓ 1 `N -�ll'4 `� t �.•., REQUIRED IN MEN <br />TE,00T,4 _ t Mi _ iIU(N t 1 DISW2 FM C <br />-+-•.1�; }� I- f j p COMSTRL'CTIMACCEbb �- <br />pjpjpjj <br />g'T. Ill �I 1 <br />a t <br />It I,II <br />i9((( ®Ir; Mr'RowMATELr ' 1 {'iTT <br />a000a rD I t I r ' iII�TTG}'�Fi I <br />, <br />N A ! I I <br />IIU II LI t <br />I % r ritt�ll I. <br />3 a I I hil I ( I <br />I i y'�Qi,1�k ' l t• I I fit�,� <br />r <br />Table 5: Fairview Pond Summary <br />Drainage Area <br />514.5 acres <br />Pond Area <br />2.15 acres (per 2D16 pond inspection) <br />Impervious Surface <br />79% <br />Current Average Depth <br />3.7 feet <br />Current Wet Volume <br />8.0 ac-ft <br />Outlet Diameter <br />78-inch (NW) <br />Inlet Diameters <br />Two 36-inch (NE, SE), 48-inch (NW), 84-inch <br />equivalent arch (SE) <br />unenwr�ru�"rrvmr.rIte I <br />Ill. V a . <br />Table 6: Fairview Pond Water Quality AnalvsisfP8 Results <br />Volume to <br />TP <br />Annual TP <br />TSS <br />Annual <br />Option <br />Description <br />Excavate <br />Removal <br />Reduction <br />Removal <br />TSS <br />(cy) <br />Efficiency <br />(Ibs!yr) <br />Efficiency <br />Reduction <br />N <br />N <br />(tonslyr) <br />Existing <br />3.7' average <br />NIA <br />25.9 <br />214.4 <br />56.6 <br />72.4 <br />depth <br />1 <br />Excavate to 4.0' <br />1040 <br />26.4 <br />218.6 <br />57.6 <br />72.9 <br />average depth <br />2 <br />Excavate to 5.0' <br />4510 <br />28.0 <br />232.2 <br />58.3 <br />74.6 <br />average depth <br />3 <br />Excavate to 6.0' <br />7980 <br />29.3 <br />243.3 <br />59.4 <br />76.0 <br />average depth <br />4 <br />Excavate to 7.0' <br />11,450 <br />30.6 <br />253.4 <br />60A <br />77.3 <br />averse depth <br />5 <br />Excavate to 8.0' <br />14,920 <br />31.6 <br />262.0 <br />61.3 <br />78.4 <br />averse depth <br />SECTION �1 U Average Removal Percentages <br />TSS 84% <br />TP 50% <br />MIIMM � . I V t ... <br />