dor Mahtomedi Collection Day Washington County Saturday, April 27 8:00 am-2:00 pm Bring unwanted household hazardous materials and electronics to the collection day event. Accepted materials include: automotive, household, yard & garden, and home improvement. Location 8100 75th Street North Mahtomedi, MN 55115 Shredding Tennis HHw Courtslonics High School 75th StN Enter High School Middle School driveway 75th St N then follow signs to green parking lot. All items listed will be accepted from residents of Washington, Anoka, Carver, Chisago, Dakota, Hennepin, and Ramsey counties only. Proof of residency, such as a driver's license, is required. More info: www.co.washington.mn.us (Click on Environmental Center) 651-275-7475