This web interface allows the user to use pre-formatted inputs of streamflow and water quality measurements to reconstruct WQ loads and other relevant risk measures.

Development Team: Ganeshchandra Mallya, Abhinav Gupta, and Rao S. Govindaraju from Purdue University and Mohamed M. Hantush from USEPA Center for Environmental Solutions & Emergency Response.

User Inputs

Provide streamflow and water quality measurements as separate CSV files.

Streamflow data

(Sample streamflow file)
*

Units of measurement for streamflow

Watershed area ratio

*

Water quality data

(Sample water quality file)
*

Water quality input or standard units

LOADEST regression equation number

Water quality standard

(in units selected above)
*

Target concentration for TMDL

(in units selected above)
*

TMDL Results Summary

TMDL Compliance Summaries

CASE - constant load reduction

TMDL Compliance Summaries

CASE - constant concentration reduction

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RRV Summary

Goodness of fit metric for all models