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  • PC-HYDRO Version 7.1 now available for use

    Apr 01, 2019 | Read More News
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    Hydrologic calculations for submittal to Pima County in accordance with Technical Policy 015, Acceptable Methods for Determining Peak Discharges, must now be performed with PC-HYDRO 7.1. PC-HYDRO 7.1 is the result of a District sponsored comprehensive study of PC-HYDRO and the Pima County Hydrology Procedures. The Adjusted Curve Number Correction has been removed to more accurately match the recorded gage data analyzed in the comprehensive study. Please read the Chief Engineer's memo about the version 7.1 release or go to the PC-HYDRO web page for more details.