The facility is engineered with overlapping environmental protection systems that meet or exceed rigorous state and federal regulations. Designed and operated under highly regulated and prescribed procedures, CWM is engineered to protect surface and groundwater. The landfill is also subject to highly regulated monitoring and reporting requirements, to regularly verify that environmental protection systems are operating properly.
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Facility Facts
- Number of employees: 55
- Current landfill size: 22 acres
- Buffer surrounding the facility: 11,000+ acres
- Life remaining: 30+ years
Landfill Environmental Protection Systems
The CWM Landfill is engineered with overlapping environmental protection systems that meet or exceed rigorous state and federal regulations. The facility is double-lined throughout the landfill and triple-lined at the lowest area. The primary, secondary and tertiary liners are made of different materials including 60 mil High Density Polyethyline (HPDE) and geosynthetic clay (geotextile and bentonite composites). The site also includes a state-of-the-art leachate collection system and groundwater monitoring wells.
If you have questions or need more information, please e-mail us at landfill@wmnorthwest.com.
