Cowlitz County Headquarters Landfill
Castle Rock, WA · COWLITZ COUNTY · NAICS 562212
Data updated May 2026
Cowlitz County Headquarters Landfill sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,301 of 8,713 nationally, #18 of 116 in WA).
- National rank #1,301 of 8,713 GHGRP facilities
- #18 of 116 in WA
- #27 of 1,433 in Waste
- 92.2% of COWLITZ COUNTY WASHINGTON parent CO₂e
- 2023 mix: 100% non-CO₂ (CH₄-led)
- +175.2% since 2011
Cowlitz County Headquarters Landfill vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
317,648 1301st of 8713 higher than 7,412 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 92.2% of COWLITZ COUNTY WASHINGTON reported parent CO₂e (318K MT of 344K MT ; #1 of 2 GHGRP facilities under that parent ). Inside the EPA Waste sector it ranks #27 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 318K 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%
- 318K MT
- N₂O
- 0%
- 55 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 317,648 |
| 2022 | 290,588 |
| 2021 | 288,276 |
| 2020 | 221,987 |
| 2019 | 246,282 |
| 2018 | 233,530 |
| 2017 | 207,426 |
| 2016 | 171,130 |
| 2015 | 188,105 |
| 2014 | 153,415 |
| 2013 | 128,504 |
| 2012 | 120,938 |
| 2011 | 115,423 |
Facility insight: Cowlitz County Headquarters Landfill
Cowlitz County Headquarters Landfill (GHGRP ID 1008180) is a high-volume reporter at 318K MT CO₂e in 2023 from Castle Rock, WA (#1,301 of 8,713 nationally) under Waste (NAICS 562212).
From 2011 to 2023, reported CO₂e rose 175.2% (peak 318K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Frequently Asked Questions
Where does Cowlitz County Headquarters Landfill rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Cowlitz County Headquarters Landfill ranks #1,301 of 8,713 reporting facilities by latest reported CO₂e, and #18 of 116 facilities in WA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Cowlitz County Headquarters Landfill? ▼
Cowlitz County Headquarters Landfill's 318K MT CO₂e is higher than 7,412 of the 8,713 GHGRP facilities with reported emissions (85%), an exact count from the full corpus, not an estimate.
How much CO2 does Cowlitz County Headquarters Landfill emit? ▼
Cowlitz County Headquarters Landfill reported 318K MT CO2e in 2023.
What share of COWLITZ COUNTY WASHINGTON does Cowlitz County Headquarters Landfill represent? ▼
Cowlitz County Headquarters Landfill accounts for 92.2% of COWLITZ COUNTY WASHINGTON's reported GHGRP CO₂e (318K MT of 344K MT), ranking #1 of 2 facilities under that parent.
What is Cowlitz County Headquarters Landfill's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 100% of reported CO₂e at Cowlitz County Headquarters Landfill, with CH₄ the larger non-CO₂ share at 100%. Shares use the facility's GHGRP gas components for that year.
Where does Cowlitz County Headquarters Landfill rank inside Waste? ▼
Among EPA GHGRP facilities tagged Waste, Cowlitz County Headquarters Landfill ranks #27 of 1,433 by latest reported CO₂e.
Is Cowlitz County Headquarters Landfill reducing emissions? ▼
Over 13 reporting years (2011–2023), Cowlitz County Headquarters Landfill's emissions have increased by 175.2%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside WA for a top-third GHGRP emitter: CO₂e totals first, then Waste neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside WA (318K MT here).
Similar Waste CO₂e
Nearest same-sector facility totals outside WA.