Objectives To ensure the safety of the public and the environment by monitoring, managing, and controlling landfill gas and site safety.
Location 401 N. Bonita Ave
Waste Acreage 8.2
Operation Dates 1960-1971
Status Monitored Only Site
Type Groundwater Protection Project
Annual Budget approximately $50,000
Contact City of Tucson - Environmental Services 520-791-3175
Description Rio Nuevo North Landfill, formerly known as Linda Landfill, is beneath the asphalt parking lot of the Commerce Loop building facilities, including the City of Tucson Community Services, United Way and Pima Community College. This landfill was used for the disposal of municipal solid waste, landscape waste, and construction debris. Today the City monitors 25 shallow landfill gas probes, and operates a landfill gas extraction system as needed to control migration of methane from the property. The landfill is owned and maintained by the City of Tucson.
Additional Info No additional information at this time.
Activities Inspections, Landfill Gas Monitoring, Landfill Gas Control System
Last Update Thursday Apr 7, 2016
View this project on the Environmental Management Projects Map

Project Details

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  • January, April, July, & October
    The City conducts quarterly landfill gas monitoring at perimeter probes during these months every year to monitor for methane migration at the property boundary.
  • October-December
    The City is scheduled to conduct an annual closed landfill inspection. A report will be prepared following the inspection documenting the site conditions.
  • March 2011
    The City completed the Comprehensive Landfill Investigation and Closed Landfill Inspection reports. This landfill is discussed in both of these reports. These reports are available in the report/attachment section of this website.
  • 1999
    The City installed one groundwater monitor well and began routine monitoring.
  • 1995-1998
    The City installed shallow landfill gas monitor probes to monitor methane concentrations between the landfill and nearby businesses and began routine monitoring.
  • March 1987
    The City installed a landfill gas extraction system. The system is still in operation today to control migration of methane from the landfill to surrounding businesses as needed.