Welcome to the Community Streamflow Evaluation System!

This app supports an interactive interface to explore hydrological model performance. Select a model evaluation methodology.


The REACH evaluation class allows the user to investigate model performance for specific USGS/NWIS locations.

Go to REACH class evaluations

The STATE evaluation class locates all USGS monitoring locations within a state to investigate model performance

Go to STATE class evaluations

The HUC evaluation class locates all USGS monitoring locations within a HUCid to investigate model performance.

Go to HUC class evaluations: