Hazardous Materials

What Are Hazardous Materials?

Hazardous waste is a waste with properties which make it dangerous and/or capable of having a harmful effect on human health or the environment. 

Household Hazardous Materials (HHM)

The Regional Collection Center at the DMASWA Landfill has a program which accepts Household Hazardous Materials from Iowa residents of Dubuque County and Delaware County at no cost. This program is partially funded by the Iowa Department of Natural Resources. For more information click here


Illinois and Wisconsin residents are encouraged to contact their local waste management districts regarding their Household Hazardous Materials.  The Regional Collection Center at the DMASWA Landfill will accept Household Hazardous Materials from out-of-state residents for at fee. For more information click here.