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Closed Coronado Landfill

General information on the City of Albuquerque Closed Coronado Landfill.

Location – West of Interstate 25, East of San Mateo, South of Venice and North of Modesto

Dates of Operation – 1963 - 1965 by the City of Albuquerque

Original Acres – 11

Estimated Original Amounts of  Waste – 91,000 tons or 181,560 cubic yards

Depth to Groundwater and Direction – 170-250 feet and flows to the southeast

Site Description

The closed Coronado Landfill was an 11 acre landfill consisting of three separate cells that operated from 1963 to 1965.  Approximately 91,000 tons (181,500 cubic yards) of residential and commercial waste was placed at the site.   The northern cell was located between Beverly Hills and Venice on San Mateo which was excavated in 2008.  The two southern cells were located south of San Diego Avenue, north of Modesto Avenue, east of east of San Mateo Boulevard, and west of I-25 which has mostly been excavated.

A 2002 landfill gas study for the northern landfill area installed multiple temporary probes and landfill gas samples were collected and analyzed.  No methane was encountered at the Coronado landfill.  The City of Albuquerque Environmental Health Department does not monitor landfill gas at the Coronado landfill.

Nine groundwater monitoring wells were installed between 1997 and 1999. Tetrachloroethene has been measured in specific monitoring wells with concentrations at or near the EPA’s Maximum Contaminant Level of 5.0 micrograms per liter. The City of Albuquerque Environmental Health Department has sampled these monitoring wells annually since 1997.

The buffer zone for this landfill is site specific due to past removal of the waste.  Building projects and development projects located within the buffer zone are reviewed by the City of Albuquerque Environmental Health Department for landfill gas impacts.

Current Status

  • Continued annual groundwater monitoring
  • Possible multi-housing development to occur in 2016 that would require a development plan per our guidance


Project Documents