Landfill
Denver Arapahoe Disposal Site (DADS)
Aurora, CO · 64.2 mi away
- Hours
- Mon 6:00 AM-7:30 PM · Tue 6:00 AM-7:30 PM · …
Landfill
North Weld Sanitary Landfill
40000 Weld County Road 25, Ault, CO 80610
Before you go
- Not accepted. It does not take hazardous waste.
At the gate
| Type | Landfill |
|---|---|
| Address | 40000 Weld County Road 25, Ault, CO 80610 |
| County | Weld County |
| Website | www.wmsolutions.com/locations/details/id/55 |
| Last checked | Oct 22, 2026 |
Hours
| Mon | 7:00 AM – 4:30 PM |
|---|---|
| Tue | 7:00 AM – 4:30 PM |
| Wed | 7:00 AM – 4:30 PM |
| Thu | 7:00 AM – 4:30 PM |
| Fri | 7:00 AM – 4:30 PM |
| Sat | 7:00 AM – 3:00 PM |
Holiday hours vary. Gates often close to new loads 15–30 minutes before posted closing.
Accepted materials
| Accepted materials | asbestos-non-friable, auto shredder fluff, biosolids, cercla waste, construction & demolition debris, municipal solid waste, oilfield wastes (e&p exempt), oilfield wastes (non e&p exempt), sandblast media, sludges - industrial (non regulated/non rcra), soils - contaminated (non haz), yard waste/green waste |
|---|
Fees have not been confirmed yet. Check the operator's website before you go.
Nearby with confirmed hours or fees: Denver Arapahoe Disposal Site (DADS) , Colorado Springs Landfill , Midway Landfill .
Facility facts
| Ownership | Private |
|---|---|
| Owner | WM |
| Operator | WM |
| Operational status | Open |
| Waste types accepted (per permit) | MSW |
| Year opened | 1992 |
| Planned closure year | 2053 |
| Composting on site | No |
Registry details (11)
Figures and identifiers as published in the EPA and state permit registries cited below.
| Current area (acres) | 91.1 |
|---|---|
| Design area (acres) | 170 |
| Design capacity (tons) | 38,933,891 |
| Waste in place (tons) | 13,102,853 |
| Waste-in-place year | 2022 |
| Annual waste accepted (tons) | 763,262 |
| Annual waste figure year | 2022 |
| Landfill gas collection system | Yes |
| Landfill gas energy project | No |
| EPA GHGRP ID | 1007880 |
| EPA LMOP landfill ID | 1738 |
Suggest a correction
Hours changed, fees went up, gate moved? Tell us and we will check it. Own or manage North Weld Sanitary Landfill? Use the same form to claim it.
Nearby facilities
Landfill
Colorado Springs Landfill
Colorado Springs, CO · 120.9 mi away
- Hours
- Mon 7:00 AM-5:00 PM · Tue 7:00 AM-5:00 PM · …
Landfill
Midway Landfill
Fountain Valley, CO · 140.9 mi away
- Hours
- Mon 7:00 AM-5:00 PM · Tue 7:00 AM-5:00 PM · …
Landfill
City of Perryton Landfill
Perryton, TX · 361.3 mi away
- Hours
- Mon 8:00 AM-6:00 PM · Tue 8:00 AM-6:00 PM · …
Landfill
Salt Lake Valley Landfill
Salt Lake City, UT · 378.0 mi away
- Hours
- Mon 7:00 AM-5:00 PM · Tue 7:00 AM-5:00 PM · …
- Fees
- Uncovered loads are charged an additional fee; see the county Landfill Pricing page for current disposal rates
Sources: epa.gov (facility record, facility facts and permit and registry IDs; fetched Oct 21, 2026) ; wmsolutions.com (hours, website and accepted materials; fetched Oct 22, 2026) . Registry figures are as of Sep 20, 2024. Facility details were last checked on Oct 22, 2026.