West Virginia University Water Research Institute 32 Net Present Value of Alternatives (2007 dollars, discounted at 3%) Alternative1 Year5 Year10 Year20 Year 1(804,389)(28,466)1,244,5033,296,170 2(555,719)167,9371,379,8023,333,234 3(876,926)(222,094)918,3192,757,009 4(2,642,806)(1,500,992)225,4563,006,527 5(2,645,138)*(2,329,712)(1,831,562)(1,028,878) 6(907,524)(230,247)987,6862,951,723 7(2,325,786)(1,739,902)(558,897)1,346,761