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gbam, is right, it's HMS. I fixed the problem, the curve number used was not the right one and it was too low so no runoff resulted. Thanks

Im having some trouble running HEC-HMS, im new at this and am playing around with it, but I seem to be getting the following errors, WARNING 40802: Total inflow to reach "Reach-2" is zero. and i dont know where to look to solve this problem, I have 2 subbasins with the data entered the same...

Thanks cadsync, I will look into these models, however, i`m already familiar with using the steady flow analysis in HEC-RAS so if I could stick with HEC-RAS it would be great. therefor, my question becomes: does the water quality feature in HEC-RAS deal only with nutrients or can external...

Hello, Is there a computer program/model that can model chemical dilution and flow of a site? I have a site with an industry that treats and stores wood in piles on their lot. In the past there has been monitoring on chemicals (chromated copper arsenate, creosote, PCP, and Alkaline copper...