| Menu | Sub-Menu | Description |
| File | ||
| Open | retrieve input file for case | |
| Save | save input case file without changing name | |
| Save As | save input case file with new name | |
| Open Default | read default case file | |
| New Case | clear current input values and start new case | |
| Watersheds | import or export watershed data | |
| Import | import from ascii or excel File | |
| Export | export to excel file | |
| Translate | translate DOS version input files | |
| Vers 2.X Case | case input files | |
| Precip | hourly precipitation (3 formats ) | |
| Temperature | daily temperatures from excel file | |
| Edit | ||
| General | edit title, file specifications, dates, other general inputs | |
| Devices | edit device data | |
| Watersheds | edit watershed data | |
| Particles | edit particle parameters | |
| WQ Components | edit water quality component parameters | |
| ET & Snowmelt | edit evapotranspiration & snowmelt parameters | |
| Run | ||
| Model | run simulation without providing hourly output | |
| Model Traced | runs simulation while providing hourly output for a specified device | |
| Daily | generate daily time series | |
| Hourly | generate hourly time series | |
| Design Lookup | lookup device designs from catalogue | |
| Design Tune | rescale device to achieve target removal efficiency | |
| Sensitivity | run sensitivity analysis of model input parameters | |
| List | ||
| Inputs | ||
| Summary | summary of input and output values | |
| Case | all case input values | |
| Watersheds | watershed data | |
| Network | linkage of devices and watersheds, in downstream order | |
| Particles | particle & water quality component parameters | |
| Stage/Discharge | stage/discharge tables for each device | |
| Precipitation | hourly precipitation & daily air temperature data | |
| Explore | explore program output interactively (several tabular formats) | |
| Hydraulics | Flows, elevations, velocities, sedimentation etc, by device | |
| Tributary Areas | Watershed areas draining into each device vs. device dimensions | |
| Mass Balances | water & mass balances by device & component | |
| by Device & Variable | separate table for each device & variable | |
| by Device | separate table for each device | |
| by Variable | separate table for each variable | |
| Cross-Tabs | summary output by device & variable | |
| Outflow Concentrations | ||
| Outflow Loads | ||
| Removal Efficiencies | ||
| All | ||
| Conc Statistics | event-mean concentration statistics & excursion frequencies | |
| Time Series | ||
| Daily Precip | air temp, daily & hourly precipitation | |
| Daily Climate | total precip, air temp, snowfall, snowpack, snowmelt, etc | |
| Event Concs | event-mean concs for each device & component | |
| Event Loads | event-mean loads for each device & component | |
| Traced Precip | hourly precip, snowfall, snowmelt, evapotransp, air temp. for traced run | |
| Traced Inflows | hourly inflow volumes, loads, concs, etc. for traced device | |
| Traced Outflows | hourly outflow volumes, loads, concs, etc. for traced device | |
| Charts | plot results from traced simulations (daily or hourly time step) | |
| Options | ||
| Restrict Output | restrict program output to specified devices, variables, mass-balance terms | |
| Output Format | direct tabular output to excel worksheet, text box, or windows notepad | |
| Help | ||
| Contents | local help file - table of contents | |
| Search | local help file - search | |
| Version Notes | specific information on current version | |
| Web Site | access P8 main web site | |
| Online Help | access online version of P8 help | |
| About | program information | |
| Quit | end program | |