Butte County Toxic Sites

Chico Area Toxic Sites

Toxic sites - Chico

Click on the map to view:

  • Chico Groundwater Plumes
  • Butte County Superfund Sites

Chico Contaminated Groundwater Plumes

Toxic sites - Chico groundwater plumes

The Department of Toxic Substance Control has identified several contaminated groundwater plumes in the Chico Area. The groundwater can become contaminated due to chemicals used by various businesses, including dry cleaners.

The different colors on this map represent contamination with different chemical compounds.

  • Blue = PCE
  • Green = 1,1DCE
  • Purple = TCE
  • Yellow = PCP
  • Red Outline = Diamond Match

Holly Sugar in Hamilton City

Toxic sites - Hamilton City

Oroville Area Toxic Sites

Toxic sites - Oroville

Most of these sites are in various stages of cleanup.

Kopper's Industries is a Federal Superfund Site. It is listed as Certified/Operation & Maintenance with Land Use Restrictions.

Paradise Toxic Site

Toxic sites - Paradise