Maintenance and upgrades have occurred over the years, but the dam and buildings remain much as originally built.
The buildings are in a rustic style, with rough board and batten exteriors, and fieldstone stonework.

The NRHP nomination paper explains Mondeaux's significance:  "...to the people of Taylor County this site evokes a very special feeling which recalls an era of accomplishment in the face of adversity—a local expression of national determinism.
 ...   Soil conservation, water quality protection, improved wildlife habitat, road development and certainly the developed recreational resource are all part of the CCC's impact on Taylor County.
However, with the passage of time, many of these accomplishments are not easily discerned, and as such, Mondeaux Dam serves as a dramatic reminder of area history...."
Maintenance and upgrades have occurred over the years, but the dam and buildings remain much as originally built. The buildings are in a rustic style, with rough board and batten exteriors, and fieldstone stonework.
The NRHP nomination paper explains Mondeaux's significance:  "...to the people of Taylor County this site evokes a very special feeling which recalls an era of accomplishment in the face of adversity—a local expression of national determinism.  ...   Soil conservation, water quality protection, improved wildlife habitat, road development and certainly the developed recreational resource are all part of the CCC's impact on Taylor County. However, with the passage of time, many of these accomplishments are not easily discerned, and as such, Mondeaux Dam serves as a dramatic reminder of area history...."
Mondeaux Dam Recreation Area