Household hazardous waste drop-off
Clean Harbors Household Hazardous Waste (CDPHE)
Official drop-off for Westminster, CO. City dispose pages own the rule for each item. This page is the place: address, hours, and the originating program. Confirm before you go.
Address: 9775 East 97th Place, Henderson, CO 80640
Hours: Tue/Thu 09:00–14:00; 3rd Sat 09:00–15:00 — confirm CDPHE
ZIP: 80640
Official source: cdphe.colorado.gov/hm/household-haz-waste-collection
Clean Harbors Household Hazardous Waste (CDPHE) and nearby drop-offs
Map stays on this page7 pins on map · tap a pin or list item
Materials often accepted
Tied to this site’s listing — still confirm on the official source. Each link is the Westminster city rule, not a national guess.
- Latex Paint in Westminster
- Oil-Based Paint in Westminster
- Pesticides in Westminster
- Herbicides in Westminster
- Pool Chemicals in Westminster
- Gasoline in Westminster
- Motor Oil in Westminster
- Antifreeze in Westminster
- Car Battery in Westminster
- Household Batteries in Westminster
- Lithium-Ion Battery in Westminster
- Fluorescent Bulbs / CFLs in Westminster
- Propane Tank in Westminster
- Cooking Oil in Westminster
Other drop-offs within 40 miles
- Veolia Colorado HHW Recycling CenterHousehold hazardous waste (voucher) · Thornton, CO · 0.8 mi9131 E. 96th Avenue, Henderson, CO 80640
- Veolia Colorado HHW Recycling Center — Henderson (Denver hub)Regional HHW facility — Adams County voucher program · Denver, CO · 0.8 mi9131 E 96th Avenue, Henderson, CO 80640
- Veolia Colorado HHW Recycling Center — Henderson (Aurora hub)Regional HHW facility — Adams/Arapahoe metro access · Aurora, CO · 0.8 mi9131 East 96th Avenue, Henderson, CO 80640
- Adams County Regional LandfillCounty landfill — residential self-haul · Denver, CO · 4.7 mi8500 N County Road 7, Henderson, CO 80640
- Aurora Household Hazardous Waste FacilityMunicipal HHW / e-waste · Aurora, CO · 5.2 mi13645 E Ellsworth Avenue, Aurora, CO 80011
- Denver Havana Nursery Drop-offMunicipal transfer / drop-off — bulky / appliances / e-waste · Denver, CO · 6.5 mi10450 Smith Road, Denver, CO 80239
Common questions
When is Clean Harbors Household Hazardous Waste (CDPHE) open?
Listed hours: Tue/Thu 09:00–14:00; 3rd Sat 09:00–15:00 — confirm CDPHE. Confirm on the official source before you drive — holiday and event hours change.
What can I drop off at Clean Harbors Household Hazardous Waste (CDPHE)?
This site is listed for Latex Paint, Oil-Based Paint, Pesticides, Herbicides, Pool Chemicals, Gasoline, Motor Oil, Antifreeze, Car Battery, Household Batteries, Lithium-Ion Battery, Fluorescent Bulbs / CFLs, Propane Tank, Cooking Oil. Acceptance still depends on the official program — not this list alone.
Do I need to live in Westminster to use Clean Harbors Household Hazardous Waste (CDPHE)?
Many municipal dumps and HHW sites are resident-only or appointment-only. Check the official Westminster, CO program page before you load the vehicle.
Where is the official listing for Clean Harbors Household Hazardous Waste (CDPHE)?
DumpRegistry cites the originating program. Confirm hours and fees on that official page, not a third-party directory.