Four Hills Landfill

As of 2022, Four Hills Landfill has approximately 4,245,673 tons of waste in place. The total permitted design capacity of the facility is 5,051,686 tons, meaning the site is currently at approximately 84% of its total design capacity. The facility accepts approximately 61,822 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 2030.

Four Hills Landfill has an operational landfill gas-to-energy (LFGTE) project using a Reciprocating Engine system. The facility generates approximately 1.4 million standard cubic feet per day (mmscfd) of landfill gas, of which approximately 1.2 mmscfd is actively collected. The landfill gas contains approximately 38.2% methane content. The gas collection system includes 240 extraction wells. This type of project converts waste-generated methane into usable electricity, reducing greenhouse gas emissions while generating renewable energy for the local grid.

Four Hills Landfill is located at Four Hills Landfill Rd, Nashua, NH 03062, USA, 3062. The facility is situated in Hillsborough County, New Hampshire. Use the map on this page or enter the address into Google Maps or Apple Maps for turn-by-turn navigation. Call ahead for access instructions if required.

Four Hills Landfill is operated by City of Nashua, NH. It is classified as a public landfill, serving the residents and businesses of Nashua, Hillsborough, New Hampshire. For questions about billing, hours, or accepted materials, contact City of Nashua, NH directly.

Four Hills Landfill currently covers approximately 77.1 acres. The facility opened in 1971 and has been in continuous operation since then. The size of a landfill reflects both its operational history and the volume of waste it has processed over its lifetime of service to the surrounding community.

Four Hills Landfill has an active landfill gas (LFG) collection system in place. The facility generates approximately 1.4 million standard cubic feet per day (mmscfd) of landfill gas. Of that, approximately 1.2 mmscfd is collected by the system. The gas contains approximately 38.2% methane, which can be captured for energy generation. The facility operates 240 gas collection wells. Flares are in place at this facility. LFG collection reduces greenhouse gas emissions and, in some cases, generates renewable energy for the grid.

Four Hills Landfill participates in the following environmental programs: an LFG energy project with status 'Operational' 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 Four Hills Landfill, The mailing address is Four Hills Landfill Rd, Nashua, NH 03062, 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.