Input is in English or metric units. The user documentation does not provide complete, easy to follow guidance on the UTIL program, UTIL commands, software loading, and model execution. Organic waste applications are not modeled. As nutrients and pesticides flow from each subbasin to the basin outlet, no degradation occurs. Hydraulic residence time is not considered by the lake water quality module.
Output is in metric units.
Certain technology may not be consistent with NRCS methods. The ability to model animal waste applications will be added to the model. The phosphorus component will be improved in the lake water quality module. Additional graphic capabilities are being developed. Revisions are proposed in certain technology.