HEC-ResSim Tutorials and Guides Current: How-to articles PDF Download PDF Download page How-to articles. Current page Include child pages All pages How-to articles Add how-to articleTitleCreatorModifiedHow to Remove a Hidden ReachSara O'ConnellSep 14, 2026How To Extract a ResSim Watershed from a CWMS WatershedAnna CovalSep 14, 2026How to Repair Stream Reach ConnectivitySara O'ConnellSep 14, 2026How To Copy the OSI Setup from One Alternative to AnotherAnna CovalSep 14, 2026How To Convert a ResSim Watershed to a New ProjectionAnna CovalSep 14, 2026How To Add Reservoirs to the Configuration AFTER you've already added them to a NetworkAnna CovalSep 14, 2026How To Breakup a Large Watershed into Smaller, Tributary WatershedsAnna CovalSep 14, 2026How To Backup a Watershed with 7-ZipAnna CovalSep 14, 2026How To Analyze and Adjust Downstream Control OperationAnna CovalSep 14, 2026How to Remove Variants from ResSim 3.5Sara O'ConnellJan 07, 2026How to use global variables in a scripted ruleAlex FlaniganOct 07, 2025How to make a stream alignment from NHD shapefilesSara O'ConnellMay 13, 2025 ×