| Parameter | Definition | Default | Adjusted Value | |
| Anthropogenic nitrogen | RAMMO_SUB | Atmospheric deposition of ammonium (mg/L) values for the entire watershed | 0 | 3 |
| RCN_SUB | Concentration of nitrate in the precipitation (mg/L) | 0 | 4.5 | |
| DRYDEP_NH4 | Nitrate dry deposition rate (kg/ha/yr) | 0 | 4.3 | |
| DRYDEP_NO3 | Ammonia dry deposition rate (kg/ha/yr) | 0 | 4 | |
| FIXCO | Nitrogen fixation coefficient | 0 | 1 | |
| NFIXMX | Maximum daily N fixation (kg/ha) | 0 | 3.3 | |
| FRT_KG | Amount of fertilizer applied to the HRU (kg/ha) | 0 | 257.4 |