| Parameter Name | Definition | File Extension | Method | Minimum | Maximum |
| CN2 | Initial SCS runoff curve number for moisture condition II | .mgt | Relative | −0.7 | −0.3 |
| ALPHA_BF | Baseflow alpha factor | .gw | Replace | 0.02 | 0.1 |
| GW_DELAY | Groundwater delay times (days) | .gw | Replace | 0 | 100 |
| GWQMN | Threshold depth of wáter in the shallow aquifer required to return flow to occur (mmH2O) | .gw | Replace | 50 | 2000 |
| SOL_AWC | Available wáter capacity of the soil layer (mmH2O/mmsoil) | .sol | Relative | −0.5 | 0.5 |
| SOL_K | Saturated hydraulic conductivity (mm/hr) | .sol | Relative | −0.7 | 0.7 |
| SOL_BD | Moist bulk density (*Mg/m3) | .sol | Relative | −0.7 | 0.7 |
| ESCO | Soil evaporation compensation factor | .hru | Replace | 0.7 | 1 |
| EPCO | Plant uptake compensation factor | .hru | Replace | 0.7 | 1 |
| REVAPMN | Threshold depth of water in the shallow aquifer for “revap” or percolation to the deep aquifer to occur (mmH2O) | .gw | Replace | 50 | 2000 |
| OV_N | Manning’s “n” value for overland flow | .hru | Replace | 0.01 | 0.5 |
| GW_REVAP | Groundwater “revap” coefficient | .gw | Replace | 0.02 | 0.1 |