CE-QUAL-W2
Free
The standard 2D reservoir and stratified-river water-quality model — temperature, DO and eutrophication.
Water Quality & EnvironmentalActiveWater Quality ModellingReservoir Operations
3 tools · Topic
Reservoir Operations & Water Resources Tools
Reservoir simulation and system operations modelling — storage, releases, rule curves, allocation — sits between hydrology and policy. This page indexes the public-domain system models and modern Python frameworks used for reservoir and water-allocation studies.
HEC-ResSim
Free
Reservoir system simulation from HEC — operating rules, flood control and multi-reservoir networks, free.
Hydrology & Catchment AnalysisActiveReservoir OperationsFlood Routing
Pywr
Open Source
Python water-resource network simulator — fast LP-based allocation for reservoir systems and supply networks.
Hydrology & Catchment AnalysisActiveReservoir OperationsPython Hydrology