Calaveras County Environmental Health
- Programs and services include waste management, water quality protection, food safety monitoring, land use planning and vector control.
- http://www.co.calaveras.ca.us/departments/env.html

CERES - Calaveras County
- An index to environmental information for the county. Extensive reference includes road, weather, and flood conditions, demographics, historical resources, maps.
- http://ceres.ca.gov/geo_area/counties/Calaveras/

Calaveras County Cooperative Extension
- Information on local agriculture, home economics, natural resources, 4-H, and the like from the University of California Cooperative Extension.
- http://cecalaveras.ucdavis.edu/