Landfill
Northern Sanitary Landfill
Westminster, MD · 17.3 mi away
Landfill
Alpha Ridge Sanitary Landfill
2350 Marriottsville Road, Marriottsville, MD 21104
At the gate
| Type | Landfill |
|---|---|
| Address | 2350 Marriottsville Road, Marriottsville, MD 21104 |
| County | Howard County |
| Last checked | Oct 21, 2026 |
Hours, accepted materials and fees have not been confirmed yet. Call before you go.
Facility facts
| Ownership | Public |
|---|---|
| Owner | Howard County, MD |
| Operator | Howard County, MD |
| Operational status | Open |
| Waste types accepted (per permit) | MSW |
| Year opened | 1980 |
| Planned closure year | 2055 |
| Current area (acres) | 106 |
| Design area (acres) | 195 |
| Design capacity (tons) | 7,438,318 |
| Waste in place (tons) | 3,041,553 |
| Waste-in-place year | 2022 |
| Annual waste accepted (tons) | 1,600 |
| Annual waste figure year | 2022 |
| Landfill gas collection system | Yes |
| Landfill gas energy project | Yes |
| Landfill gas energy projects | 1 |
| Composting on site | No |
Permit and registry IDs (2)
| EPA GHGRP ID | 1007291 |
|---|---|
| EPA LMOP landfill ID | 734 |
Suggest a correction
Hours changed, fees went up, gate moved? Tell us and we will check it. Own or manage Alpha Ridge Sanitary Landfill? Use the same form to claim it.
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Landfill
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Sources: epa.gov (facility record, facility facts and permit and registry IDs; fetched Oct 21, 2026) . Registry figures are as of Sep 20, 2024. Facility details were last checked on Oct 21, 2026.