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� r <br /> IJ <br /> Groundwater Nitrogen Treatment- NitrexTM PRB <br /> June 1, 2010 <br /> Page 2 of 2 <br /> Table 1. Town of Mashpee TMDL Nitrogen Mass Balance <br /> Popponesset Bay Watershed East Waquoit Bay Watershed Ocean <br /> Watershed <br /> Popponesset Shoestring Ockway Pinquickset Mashpee Sub- Little River i Great River/ Quashnet ISub- <br /> Ba Be Bay Cove River Totals Hamblin Pond' Jehu Pond giver Totals <br /> Baseline Conditions Baseline;Conditions <br /> Total Bu„Iou ` <br /> (kg/da)with 7 68 44 79 4 80 111 � 52 49 1'(4 97 1�45 9 51 45,i� �7��5 <br /> Total 1,ting <br /> Cont'1 t Loyd 6 95 r 3 ?5 3 31 0 86 33 21 <br /> {kJlO"A with 12 7 79 oa � os 7� 25 97 45 so. <br /> Target Loads 2.77 19.72 0.76 0.76 16.17 40.18 3.83 1.88 15.92 21.63 <br /> N RomoVai <br /> Required fpr 4.91 26,07 4.14 0,36 36z$2 70,79 19.62 7,63' 28 27. 59.52 <br /> Bulidout <br /> k /da <br /> 900/ 4.42 22,56 3.73 2,-,, :32 69 63.71 " 13:15 6.6 <br /> 80°la 3 92 20.66 3.32 0 28` 2fl.06 56,64 11.69 6.91' ,ZMT 41.21 <br /> N oYai <br /> Required for 4,18 15.0$ 2,55 0,09 17.04 38,90 i 5,23 5.6$' 10,05= 24117 <br /> Existing,ftlday) <br /> as%of,Total. 85% 60°% 62% 26% 47% 550/0 56% 77% 34°la 47% <br /> Land Use Load 1.19 10.54 0.76 0.19 11.13 23.81 2.23 1.88 16.11 20.22 <br /> Land Use Load <br /> as%of Removal 24% 42% 18% 541/6 31% 34% 15% 26% 65% 39% <br /> Re 'D <br /> Scenario Plan Scenario Plan _ <br /> N Loads <br /> Removed by <br /> Wastewater 4.99 27.66 4.05 0.90 36.33 73.83 16.86 7.49 31.60 64.94 <br /> Treatment <br /> k Ida <br /> Return Loads 0.60 3.93 0.41 0.09 ' 3.04 7.96 1.69 0.75 0.79 3.12 9.24 <br /> k /da <br /> Discharge Shoestring New New Mashpee Quashnet New <br /> New Seabury New Seabury New Seabury <br /> Locations Bay Seabu Seabu River* River* Seabury <br /> Actual- <br /> Required Removal w/ 0.09 2.49 -0.09 0.55 0.01 3.04 1.24 -0.16 2.34 3.42 <br /> Database Loads <br /> *Portions these subwatersheds are part of clusters that currently discharge to New Seabury <br /> Return as%of <br /> Land Use 42% 37% 63% 47% 27% 33% 71% 40% 5% <br />