EXH0268019498

PCHBPollution Control Hearings Board of the State of Washington

Table 4-1. Summary of Miller, Walker, and Des Moines Creek drainage frets at STL4 and change in imperviom ares between 1994 baseline and 2006 future conditions (ucres). a 1994 Bsselbte 2006 Future Ce_llltkm la_ in :Miller Creek SDNI 6.2 9.9 16.1 3.5 12.7 16.1 2.8 SDN1LWR 5.0 0.4 5.4 4.9 0.6 5.4 0.2 SDNIOFF 25.8 10.5 36.3 28.3 8.0 36.3 -2.$ SDN2Xn 4.3 0.0 4.3 3.9 0.3 4.3 0.3 SDN3 33.4 14.5 47.9 23.6 24.3 47.9 9.8 SDN3A 28.6 1.9 30.5 22.2 8,2 30.5 6.3 SDN3X 25.4 0.0 25.4 25.4 0.0 2.5.4 0.0 SDN4 27.7 2.6 30.3 i8.1 12.3 30.3 9.7 SDN4X 14.1 El 15.2 i 1.0 42. 15.2 3.1 SDWIA 52.0 0.9 52.8 37.4 15.4 52.8 14.5 SDW! B 92.5 4.3 96.9 69.9 27.0 96.9 22.7 NEPL 41.4 0.9 42.3 i0.0 32.3 42-3 3!.4 CARGO 7.0 1.1 8.1 0.0 8,1 8.1 7.0 Offta"STIA¢ 246.5 15.I 261.8 247.8 13.8 26 i.8 - !.3 Total 103.7 Walker Creek SDW2 41.3 3.3 44.6 35.1 9.5 44.6 6.2 M8 22.2 6.6 28.8 22.2 6.6 28.8 0.0 M9 76.1 22.5 98.6 76.1 22.5 98.6 0.0 TeUd 6,2 Des Melau Creek " SDE.4 50.7 115.5 166.2 40.1 126.1 166.2 10.6 SDSI 0.9 16.8 17.7 1.4 16.3 17.7 -0.5 SDS2 7.7 15 9.2 8.1 1.0 9.2 -0.5 SDS3 165.5 178.0 343.5 144.3 !99.2 343.5 21.2 SDS3A 62.7 7.1 69.8 34.6 35. I 69.8 28.0 SDS4 45.4 19.2 64.6 32.1 32.5 64.6 13.3 SDS5 32.1 0.4 32.5 28.3 4.2 32.,5 3.8 - SDS6 i2.5 4.3 16.7 !3.5…
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