Hazardous Materials Program.

DMASWA Regional Collection Center is Open for the Season

Residential Customer Information:
The Household Hazardous Materials Regional Collection Center (RCC) is a permanent drop-off facility co-located with the DMASWA Landfill.  It is designed as a seasonal drop-off location, open April through October, for household hazardous materials (HHM).  Household hazardous materials consist of oil-based paints, wood stains and finishes, lawn and garden chemicals, household cleaning chemicals, and other items that are potentially harmful to Iowa’s ground and surface waters.  Visit our Reuse and Recycling Guide for more information on specific items.

Residents are encouraged to utilize the materials as they are intended to be used and store them as directed on their containers. Any latex items can be dried out and placed with other trash. If materials need to be disposed of, they should be placed in plastic containers for transport to avoid spills, and brought to the RCC located at the Landfill facility.  

This program is supported through landfill tonnage fees and is a service provided to the residents of Dubuque and Delaware counties at no charge. Collection hours for the facility are 7:30 am – 3:30 pm, Monday through Saturdaythe end of October.


Beginning in November, materials can be dropped off anytime between 10:30 a.m. and 2:30 p.m. Mondays, Fridays, or Saturdays.

Please stop at the scale house when you arrive to recieve directions.



For additional information regarding household hazardous material management, call 563-557-8220 or go to http://www.iowadnr.gov/Environmental-Protection/Household-Hazardous-Materials.


Commercial Customer Information:

Local Agencies to Host Hazardous Waste Generator Compliance Workshop

The Dubuque Metropolitan Area Solid Waste Agency (DMASWA), an intergovernmental entity charged with managing solid waste materials, will host a Hazardous Waste Generator Compliance workshop from 9:00 a.m. to 3:00 p.m. On Wednesday, March 7, at the Hotel Julien in Dubuque. 

This informational event is open to all area businesses that generate and manage hazardous wastes at any time including industrial, commercial, and construction businesses.  The registration fee is $20.00 and lunch will be provided.  A workshop flyer, agenda and details for registering can be found at www,DMASWA.org.

The bulk of the workshop will consist of U.S. Environmental Protection Agency (EPA) representatives reviewing the changes to EPA’s Resource Conservation and Recovery Act (RCRA) Hazardous Waste Improvement Rule. Participants will learn about hazardous waste minimization case studies from the Iowa Department of Natural Resources Pollution Prevention Program and local disposal options from DMASWA representatives.  Additional solid waste minimization resources, such as the Iowa Waste Exchange and the Petal Project will be discussed.     

This workshop is possible through partnerships with the City of Dubuque, East Central Intergovernmental Association, U.S. Environmental Protection Agency, Iowa Department of Natural Resources and the Iowa Waste Exchange. 

To register go to http://bit.ly/2DJLCEW.        Downloads:   Agenda        Flyer


General Information for Commercial Customers:

The RCC provides a convenient, local site for hazardous waste disposal. Businesses and organizations are required to document its determiniation if a waste generated in their operations is hazardous or non-hazardous.The RCC accepts hazardous waste from businesses and organizations that generate no more than 220 pound of hazardous waste per month and store no more than 2200 pounds on site at one time.

"Very Small Quantity Generator" registration paperwork is required for disposal and can be found at the link below. The registration form is used to document that the business is qualified to participate in the program. The shipping form must be submitted prior to delivery to allow staff to review for hazards and special consdierations. The chemical and/or trade name is needed along with the amount and container type to help determine management.

After registration has been approved, an appointment will be scheduled for you to drop off items such as oil based paint, propane cylinders, lab chemicals, pesticides, motor oil, rechargeable batteries, flourescent light bulbs , sharps, and other hazardous items.

For more information on how to prepare your materials for proper disposal, check out the videos below:



Looking for more information regarding proper use on disposing hazardous waste?

Please check out these documents below that will give you additional information on proper disposal of hazardous materials.


The Regional Collection Center will reopen for the 2017 season on April 1stl. Items can be dropped off Monday through Saturday, between 7:30 a.m. and 3:30 p.m. For more information, contact the Agency at (563) 557-8220, ext. 2 or email.

Questions about hazardous materials disposal