Ox Mountain Sanitary Landfill
HALF MOON BAY, CA · SAN MATEO COUNTY · NAICS 562212
Data updated May 2026
Ox Mountain Sanitary Landfill sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,043 of 8,713 nationally, #121 of 549 in CA).
- National rank #2,043 of 8,713 GHGRP facilities
- #121 of 549 in CA
- #153 of 1,433 in Waste
- 1.4% of REPUBLIC SERVICES parent CO₂e
- 2023 mix: 100% non-CO₂ (CH₄-led)
- +3.5% since 2011
Ox Mountain Sanitary Landfill vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
145,687 2043rd of 8713 higher than 6,670 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 1.4% of REPUBLIC SERVICES reported parent CO₂e (146K MT of 10.7M MT ; #18 of 177 GHGRP facilities under that parent ). Inside the EPA Waste sector it ranks #153 of 1,433 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 146K MT CO₂e reported for 2023, non-CO₂ gases are 100% , led by CH₄ at 100% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- -
- n/r
- CH₄
- 100%
- 146K MT
- N₂O
- -
- n/r
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 145,687 |
| 2022 | 229,893 |
| 2021 | 148,919 |
| 2020 | 143,584 |
| 2019 | 155,040 |
| 2018 | 124,579 |
| 2017 | 116,811 |
| 2016 | 109,532 |
| 2015 | 129,647 |
| 2014 | 160,995 |
| 2013 | 180,560 |
| 2012 | 154,260 |
| 2011 | 140,710 |
Facility insight: Ox Mountain Sanitary Landfill
Ox Mountain Sanitary Landfill (GHGRP ID 1007112) is a high-volume reporter at 146K MT CO₂e in 2023 from HALF MOON BAY, CA (#2,043 of 8,713 nationally) under Waste (NAICS 562212).
Over 13 years (2011–2023), emissions stayed within a narrow band around 146K MT CO₂e (peak 230K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2022 at 230K MT CO2e; latest 2023 sits 36.6% below that peak (146K MT). The largest year-to-year move was 2022→2023 (-36.6%, 84K MT).
Frequently Asked Questions
Where does Ox Mountain Sanitary Landfill rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Ox Mountain Sanitary Landfill ranks #2,043 of 8,713 reporting facilities by latest reported CO₂e, and #121 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Ox Mountain Sanitary Landfill? ▼
Ox Mountain Sanitary Landfill's 146K MT CO₂e is higher than 6,670 of the 8,713 GHGRP facilities with reported emissions (77%), an exact count from the full corpus, not an estimate.
How much CO2 does Ox Mountain Sanitary Landfill emit? ▼
Ox Mountain Sanitary Landfill reported 146K MT CO2e in 2023.
What share of REPUBLIC SERVICES does Ox Mountain Sanitary Landfill represent? ▼
Ox Mountain Sanitary Landfill accounts for 1.4% of REPUBLIC SERVICES's reported GHGRP CO₂e (146K MT of 10.7M MT), ranking #18 of 177 facilities under that parent.
What is Ox Mountain Sanitary Landfill's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 100% of reported CO₂e at Ox Mountain Sanitary Landfill, with CH₄ the larger non-CO₂ share at 100%. Shares use the facility's GHGRP gas components for that year.
Where does Ox Mountain Sanitary Landfill rank inside Waste? ▼
Among EPA GHGRP facilities tagged Waste, Ox Mountain Sanitary Landfill ranks #153 of 1,433 by latest reported CO₂e.
Is Ox Mountain Sanitary Landfill reducing emissions? ▼
Over 13 reporting years (2011–2023), Ox Mountain Sanitary Landfill's emissions have increased by 3.5%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside CA for a top-third GHGRP emitter: CO₂e totals first, then Waste neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (146K MT here).
Similar Waste CO₂e
Nearest same-sector facility totals outside CA.