Butterflies of Tuscarawas County
- Presents photos and species accounts of butterflies found within the county.
- http://www.butterfliesandmoths.org/map?dc=176&_dcc=1&si=36

Tuscarawas County Environmental Data
- Index to program areas, educational information, newsletters and events available through Ohio State University Extension.
- http://tuscarawas.osu.edu/

Tuscarawas Soil and Water Conservation District
- Provides assistance for the wise use of natural resources in the county for present and future generations.
- http://www.tuscsoil.com/

Water Resources of Tuscarawas County
- Factsheet providing information on water resources and drinking-water quality in the county.
- http://ohioline.osu.edu/aex-fact/0480_79.html

Tuscarawas County Ground-Water Resources
- Factsheet providing information on ground-water resources in the county.
- http://ohioline.osu.edu/aex-fact/0490_79.html