Butler County Environmental Data
- Environmental information for developers. Linked from Ohio State Univ. Extension.
- http://butler.osu.edu/

Butler County Recycling and Litter Prevention
- Serves the in the areas of solid waste and litter prevention, providing public outreach, educational programs and recycling events.
- http://des.butlercountyohio.org/

Butler Soil and Water Conservation District
- Agency responsible for protecting the natural resources within the county that assists landowners in planning and applying conservation practices on their land.
- http://www.butlercountyohio.org/conservation/

Butler County Ground-Water Resources
- Factsheet providing information on ground-water resources in the county. Linked from Ohio State Univ. Extension.
- http://ohioline.osu.edu/aex-fact/0490_09.html

Water Resources of Butler County
- Factsheet providing information on water resources and drinking-water quality in the county. Lnked from Ohio State Univ. Extension.
- http://ohioline.osu.edu/aex-fact/0480_09.html