pond and park landscape

2021 Program Event Dates

Click & Haul - bulky or large item collections

Event Dates: Click & Haul collections are scheduled during the work week, depending on your address. Thornton residents can use this service to:  Get rid of clutter in the garage or basement, plan a do-it-yourself room remodel, clean up the yard or storage shed, get rid of recently replaced furniture or appliances, or for a rental property cleanup! 

Location: Items must be placed in an orderly fashion (stacked/bundled) at the curb by 7 a.m. the day of the scheduled collection.

Guidelines:  The cost is just $65 per collection for 6 cubic yards of stuff, that would fill two normal sized pickup truck loads. More than two full pickup loads = $109 or more. Restrictions and limitations apply.  The cost of service is placed on the next utility bill for payment. Furniture, appliances, mattresses/box springs, hot water heaters, fence panels, branches, remodeling debris, and evaporative coolers are eligible for pickup.

Restrictions:  NO hazardous materials (i.e., flammable liquids, oil, paint, fertilizer, chemical cleaners, etc.).  NO tires.  NO concrete or masonry demolition (driveway concrete, wall blocks or gravel).  NO televisions, computer monitors, DVD players, and other certain electronics.

Click here to schedule an appointment. 

Electronic Recycling Drop-off - SOLD OUT

Event Dates:  Saturday April 24

Event Time:  9 a.m. - 1 p.m.

Location:  Thornton's Infrastructure Maintenance Center (IMC), 12450 Washington Street  Use the north entrance with access from 126th Avenue east of Washington Street

Guidelines:  Adams County residents may bring items such as laptops, DVD players, phones, printers, televisions, computer monitors, and other electronics in for recycling. There will be a fee of $15 per vehicle for all electronics up to one TV or computer monitor. A $25 fee will be assessed for each vehicle carrying up to three TV’s and/or computer monitors.

Not accepted at the event: TV's and monitors with exposed tubes, anything that contains mercury, freon or other chemicals, smoke detectors, carbon monoxide detectors, thermostats, radioactive equipment, neon signs, alkaline batteries, light bulbs, trash, etc.

Online registration for this event is now sold out.

Fall Leaf Composting Drop-off

Event Date:  Saturday, November 6

Event Time:  8 a.m. - noon

Location:  Thornton's Infrastructure Maintenance Center (IMC), 12450 Washington Street  Use the north entrance with access from 126th Avenue east of Washington Street

Guidelines:  Thornton residents may bring in bagged leaves for composting! Proof of residency required. Leaves may be placed in fully compostable BPI certified bags or paper bags. Be prepared to open any other bags on site. Restrictions apply.

Landfill Days

Event Dates Saturday, September 18

Event Time:  7 a.m. - 2 p.m.

Location:  Republic Services Tower Landfill  19260 E. 88th Ave., Commerce City, CO

Guidelines:  On specified dates, Thornton residents may take non-hazardous debris to a designated landfill and the gate fee is waived.  No trailer loads.  All loads must be covered.  Trailer and commercial loads are subject to applicable fees.  Proof of residency is required and limitations apply.  Freon charged units (refrigerators, A/C units, and freezers) and electronics such as televisions and computer monitors will not be accepted.  Mattresses are subject to an additional fee.  

Paint Recycle Drop-off

Event Date:  Saturday, May 15

Event Time:  9 a.m. - 1 p.m.

Location:  Riverdale Regional Park, 9755 Henderson Road, Brighton, CO  80601

Guidelines:  Adams County residents may bring leftover paints and stains in for recycling. This is a FREE event! Residents may bring house paint and primers, stains, deck sealers and clear finishes. NO leaking or unlabeled containers. NO aerosols. NO drums or containers larger than 5 gallons. This event is for paint and stains only. Chemicals or hazardous waste will NOT be accepted.

Please do not attend if anyone in your household is exhibiting symptoms of COVID-19.  During the event you must remain in your vehicle and unlock your vehicle's trunk to allow event staff to remove the paint materials.  Participants are requested to wear masks and limit occupants in the vehicle to only members of the same household or living unit. 

Please click here to register for the event. Space is limited. If you are unable to register online, call (855) PAINT09.

Tree Branch/Compost Material Drop-off

Event Dates: May 8, June 12, July 10, August 14, September 11

Event Time:  8 a.m. - noon

Location:  Thornton's Infrastructure Maintenance Center, 12450 Washington Street  Use the north entrance with access from 126th Ave. east of Washington Street.

Guidelines:  On specified dates, Thornton residents may bring tree branches, limbs, and compostable material to the IMC at no charge. Proof of residency is required. Residents will be responsible for unloading their branches and all compost material. Compost material must be placed in BPI certified fully compostable bags, paper sacks, or be prepared to open other types of bags and empty on site. Residents must follow social distancing guidelines, staying at least six feet away from City employees and others at all times.

Veolia Household Hazardous Waste Recycling Days

Event Dates:  May 19 & May 22

Event Time:  9 a.m. - 2 p.m.

Location:  Veolia Colorado Household Hazardous Waste Recycling Center  9131 E. 96th Ave., Henderson, CO

Guidelines:  Adams County residents may bring their unwanted household chemicals to the Veolia Colorado Household Hazardous Waste Recycling Center. Most items will be recycled safely, keeping them out of our natural environment. Adams County residents will need to pay a discounted fee of $.92 per pound to drop off their items and the normal $20 vehicle fee will be waived on event dates only. Proof of residency is required. Cash and credit card will be accepted.

No charge to drop off architectural paints and stains only.

Acceptable Items include: insecticide, bathroom cleaners, rust remover, photo chemicals, degreasers, weed killer, latex paint, stains, furniture polish, fire extinguishers, laundry products, fuel, solvents, rodent poison, oil filters, floor cleaners, oven cleaners, moth balls, lacquers, rechargeable batteries.

Unacceptable items include: radioactive material (smoke detectors), used needles, prescription pain killers, explosives (fireworks, ammunition), tires, trash.

To register for the Wednesday, May 19 event, click here.

To register for the Saturday, May 22 event, click here.