Cowlitz County Headquarters Landfill

As of 2022, Cowlitz County Headquarters Landfill has approximately 11,186,328 tons of waste in place. The total permitted design capacity of the facility is 53,367,110 tons, meaning the site is currently at approximately 21% of its total design capacity. The facility accepts approximately 787,914 tons of waste per year based on the most recent annual data. At the current rate of fill, the facility is projected to reach capacity and close around 2094.

Cowlitz County Headquarters Landfill has been identified as a candidate site for a future landfill gas-to-energy project. The site currently generates an estimated 3.7 mmscfd of landfill gas. A gas collection system is in place at this facility. Candidate status means the EPA or a project developer has identified this site as having sufficient gas generation potential to support an energy recovery project in the future. Contact Cowlitz County, WA for more information on the project timeline.

Cowlitz County Headquarters Landfill is located at 3434 S Silver Lake Rd, Castle Rock, WA 98611, USA, 98611. The facility is situated in Cowlitz County, Washington. Use the map on this page or enter the address into Google Maps or Apple Maps for turn-by-turn navigation. Call ahead at (360) 274-6492 for access instructions or gate codes if required.

Cowlitz County Headquarters Landfill is operated by Cowlitz County, WA. It is classified as a public landfill, serving the residents and businesses of Castle Rock, Cowlitz, Washington. For questions about billing, hours, or accepted materials, contact Cowlitz County, WA directly at (360) 274-6492. The facility website is available at https://www.co.cowlitz.wa.us/1603/Headquarters-Landfill.

Cowlitz County Headquarters Landfill participates in the following environmental programs: an LFG energy project with status 'Candidate' is associated with this site. These initiatives help reduce the environmental footprint of landfill operations by capturing resources, reducing greenhouse gas emissions, and diverting material from direct disposal. Contact the facility or its operator for more details on current environmental compliance status.

To contact Cowlitz County Headquarters Landfill, call (360) 274-6492. The facility website is https://www.co.cowlitz.wa.us/1603/Headquarters-Landfill. The mailing address is 3434 S Silver Lake Rd, Castle Rock, WA 98611, USA. The directory information shown on this page is sourced from the EPA Greenhouse Gas Reporting Program (GHGRP) and the USDA Agricultural Marketing Service, last verified as of data year 2022. Data freshness status: Current. If you are the facility owner or operator and need to update this listing, use the claim listing option on this page.