NEWPORT AVENUE FORMER DISPOSAL SITE IN COSTA MESA
The site is located at the northwest corner of 55 Freeway and Bristol Street in the City of Costa Mesa.
Dates of Operation and Closure
The County operated the refuse disposal station from 1946 to 1955.
Size and Types of Waste
The 10-acre site is filled with municipal solid waste, wood, concrete block, brick, glass, and cans. Most waste material disposed was identified as inert. No hazardous wastes are known to have been disposed at the site. Estimated volume of remaining waste is approximately 44,000 cubic yards after clean closure of two parcels.
1940 A military base on adjacent property reportedly operated a disposal site within the base. The location of this military disposal site is not well defined.
1946-1955 County operated site as a public rubbish disposal station.
1955 County ceased operations and closed the disposal station.
1967 County briefly operated site as a burn site subsequent to site closure.
1993 A water Solid Waste Assessment Test (SWAT) conducted and report submitted to the Regional Water Quality Control Board.
1997 Supplemental water SWAT reported no metals or Volatile Organic Compounds (VOCs) detected at concentrations exceeding maximum contaminant levels (MCLs), indicating that site has not impacted shallow groundwater. No further investigation required for site.
2000 Site included in the Closed Landfill Environmental Assessment and Response (CLEAR) project. No fieldwork was required as part of the initial site assessment. Site assessment report completed and submitted to the Local Enforcement Agency (LEA) 2002 LEA approved property owners to proceed with the Clean Closure project.
2003 2765 and 2777 Bristol Street portions of site clean closed.
2004 California Integrated Waste Management Board (CIWMB) concurrence of clean closure for 2765 and 2777 Bristol Street filed 3/02/04.
2005 LEA issued Notice of Violation (NOV) to property owners of 2831 Bristol for damaged landfill gas (LFG) monitoring probes. Owner instructed to install methane detectors in the restaurant facility. Property owners of 2831 Bristol installed 10 methane detectors.
2006 NOV amended by LEA. LFG monitoring probes replaced.
2008 LEA requested property owner to prepare and submit a Long Term Monitoring and Operational Plan (LTMOP) by February 6, 2009.
2009 LEA received and provided comments on the draft LTMOP. Owner re-submitted the plan, and LEA again provided comments.
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