Northwest Regional MSW Landfill
Surprise, AZ · 43.0 mi away
- Hours
- Mon 6:00 AM-4:00 PM · Tue 6:00 AM-4:00 PM · …
40404 S. 99th Avenue, Mobile, AZ 85139
| Type | Landfill |
|---|---|
| Address | 40404 S. 99th Avenue, Mobile, AZ 85139 |
| County | Maricopa County |
| Website | www.wmsolutions.com/locations/details/id/207 |
| Last checked | Oct 22, 2026 |
| Mon | 6:00 AM – 3:00 PM |
|---|---|
| Tue | 6:00 AM – 3:00 PM |
| Wed | 6:00 AM – 3:00 PM |
| Thu | 6:00 AM – 3:00 PM |
| Fri | 6:00 AM – 3:00 PM |
Holiday hours vary. Gates often close to new loads 15–30 minutes before posted closing.
| Accepted materials | animals/animal parts/diseased animals (cows, sheep, deer, birds), asbestos-friable, asbestos-non-friable, auto shredder fluff, bioremediation, biosolids, cercla waste, construction & demolition debris, municipal solid waste, yard waste/green waste |
|---|
Fees have not been confirmed yet. Check the operator's website before you go.
Nearby with confirmed hours or fees: Northwest Regional MSW Landfill , Marana Regional Landfill , Blythe Disposal Site .
| Ownership | Private |
|---|---|
| Owner | WM |
| Operator | WM |
| Operational status | Open |
| Waste types accepted (per permit) | MSW |
| Year opened | 1990 |
| Composting on site | No |
Figures and identifiers as published in the EPA and state permit registries cited below.
| Current area (acres) | 203 |
|---|---|
| Design area (acres) | 691.4 |
| Design capacity (tons) | 227,127,477 |
| Waste in place (tons) | 44,000,640 |
| Waste-in-place year | 2022 |
| Annual waste accepted (tons) | 1,443,547 |
| Annual waste figure year | 2022 |
| Landfill gas collection system | Yes |
| Landfill gas energy project | No |
| EPA GHGRP ID | 1007815 |
| EPA LMOP landfill ID | 1783 |
Hours changed, fees went up, gate moved? Tell us and we will check it. Own or manage Butterfield Station Landfill? Use the same form to claim it.
Surprise, AZ · 43.0 mi away
Marana, AZ · 73.9 mi away
Blythe, CA · 142.3 mi away
Niland, CA · 186.4 mi away
Desert Center, CA · 187.0 mi away
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.