TMDL model comparison matrix
TMDL model comparison matrix
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| Comparison categories | Water quality model | |||
|---|---|---|---|---|
| P8 | MIDS calculator | MPCA Simple Estimator | WinSLAMM | |
| Relative input complexity | High | Medium | Low | High |
| Public domain | Yes | Yes | Yes | No |
| TSS modeled | Yes | Yes | Yes | Yes |
| TP modeled | Yes | Yes | Yes | Yes |
| Volume reduction modeled | Yes | Yes | Yes | Yes |
| Model time step | Event/continuous | Annual | Annual | Event |
| Pollutant Loading Methodology | EMC & Buildup/ Wash-off | Simple method | Simple method | EMC & Buildup/ Wash-off |
| Pollutant removal methodology | Physically based | Empirical | Empirical | Physically-based / Empirical |
| Pollutant Removal Mechanisms | Filtration, Sedimentation, Infiltration | Empirically based | Empirically based | Filtration, Sedimentation, Infiltration |
| Capable of evaluating bypass from undersized BMPs? | Yes | Only for volume-reduction BMPs | No | Yes |
| Capable of modeling removal from BMPs in series? | Yes | Only for volume-reduction BMPs | No | Yes |
| GIS compatibility | Low | Low | Low | Medium |
| Model used for TMDL Development and Modeling | Yes | No | No | Yes |
| Costs - software | None | None | None | medium |
| Costs - model development | Medium | Low | Low | High |