Colorado
Household hazardous waste drop-off
Boulder household hazardous waste drop-off
Hours, sticker price, who can use it, item fees, hazardous waste options, and holiday notes for Boulder County Hazardous Materials Management Facility (HMMF).
Not a household-trash drop-off. This page covers only the specifically listed recycling, compost, hazardous or specialty materials. Check the accepted materials before loading your vehicle.
Last verified from official sources: 2026-11-09
Who can use it
All residents of Boulder County (including Boulder, Jamestown, Lafayette, Longmont, Louisville, Lyons, Nederland, Superior, Ward and unincorporated areas), the City and County of Broomfield, and all of the Town of Erie. Bring proof of residency such as a driver's license, vehicle registration, voter ID, tax certificate, lease or utility bill. No appointment is needed for residents. Business waste is taken by appointment only, on Tuesdays, for a fee.
Hours
- Wednesday-Saturday 8:30 a.m.-4:00 p.m.
- Tuesday: business waste by appointment only
- Sunday and Monday: closed
Sticker or permit
Required: No (see notes)
Price: No separate sticker price was established on the linked page; the eligibility and item fees below still apply.
Where to buy: Contact the facility about access requirements before loading.
Per-item fees
| Item | Fee |
|---|---|
| Boulder County, Broomfield and Erie residents | No charge (voluntary donations accepted) |
| Residents from other counties | $50 per visit |
| Daily limit | 400 pounds per day; anything over 400 pounds is charged disposal fees |
| Containers | 5 gallons or smaller; leave 1 inch of headspace in a 5-gallon bucket |
| Businesses | Fee based on waste type and weight, by appointment |
Hazardous waste
Accepted: automotive products (car waxes, carburetor cleaner, diesel, degreaser, gasoline in containers of 5 gallons or less, used or unused oil, oil filters, power steering and transmission fluid, radiator flushes); all alkaline, rechargeable, button, lead-acid and lithium batteries (tape the terminals of rechargeable, lithium and over-9-volt batteries with clear packing tape); cleaners; e-cigarettes, vapes and e-liquid; hobby products (caulks, glues, chemistry sets, helium tanks, mineral spirits, strippers, thinners, photo chemicals, 1-pound propane canisters, resins, wood preservatives); household products (aerosols, CFLs, fluorescent tubes and ballasts, LED bulbs, kerosene, moth balls, mercury thermometers and switches, thermostats, pool chemicals); lawn and garden chemicals; latex and oil-based paints, lacquers, stains and varnishes; flea products; sharps in a proper sharps or #2 screw-top container; food-grade nitrous oxide cylinders of 4.5 liters or less. Not accepted: asbestos, appliances, electronics, cooking oil, dried latex paint and empty containers (trash), explosives such as fireworks, flares and ammunition (call your sheriff), fire extinguishers, propane tanks larger than 1 pound and other compressed gas, radioactive materials, smoke detectors (household trash), incandescent and halogen bulbs, and white block Styrofoam.
Holiday closures
Remaining posted holiday closures: Thanksgiving (Thursday, Nov 26) and the day after (Friday, Nov 27), Christmas Eve (Thursday, Dec 24), Christmas Day (Friday, Dec 25), New Year's Eve (Thursday, Dec 31) and New Year's Day (Friday, Jan 1).
Holiday schedule last verified 2026-11-09 from official sources .
Other notes
- Free reusable products are available during open hours, first come, first served: auto and hobby products, garden and yard products, home maintenance and cleaning products, and latex and oil-based paint. You sign a liability release to take them.
- Gas cans can be returned to you. Ask staff to label the can, and it will be ready for pickup in 1-2 business days.
- The facility offers prepaid mail-back envelopes for unused medications, including legally held controlled drugs.
- Broomfield, Longmont and Superior also hold their own hazardous waste collection events. Check with your town or city hall.
- Transport tips: keep products in their original containers, never mix chemicals, keep different waste types apart, and keep everything out of the passenger area.
Nearby Colorado towns
- Colorado Springs household hazardous waste drop-off
- De Beque (Mesa County) transfer station
- Denver recycling drop-off
- Estes Park (Larimer County) transfer station
- Estes Park (Larimer County) recycling drop-off
- Fort Collins (Larimer County) transfer station
- Fort Collins (Larimer County) household hazardous waste drop-off
- Fruita (Mesa County) transfer station
Sources
Every fee and hour above was taken from these official pages or PDFs on 2026-11-09. If something conflicts, trust the town.