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Northwest 58th Street Landfill


NW 58th Street Landfill Site

Additional Resources
Site Summary Profile

EPA ID: FLD980602643
Location: Hialeah, Dade County, FL
Lat/Long: 25.833330, -080.347210
Congressional District: 23
NPL Status: Proposed: 12/30/82; Final: 09/08/83; Deleted: 10/11/96
Affected Media: Ground water
Cleanup Status: Deleted from the NPL
Human Exposure Under Control: Yes
Groundwater Migration Under Control: Yes
Sitewide Ready for Anticipated Use: No
Site Reuse/Redevelopment: In reuse – wildlife habitat is located on site. Potential for future recreational future use
Site Manager: Pam Scully (scully.pam@epa.gov)

Current Site Status

The Northwest 58th Street Landfill accepted municipal and industrial wastes from 1952 to 1982. EPA placed the site on the National Priorities List (NPL) of contaminated sites in 1983 because of contaminated ground water underneath the facility. EPA, the Florida Department of Environmental Protection (FDEP) Miami-Dade County, and the site’s potentially responsible party (PRP), have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. Site contamination does not currently threaten people living and working near the site. Both residents and businesses use the public water system for drinking water. All site cleanup activities are complete. By monitoring ground water and undertaking Five-Year Reviews, EPA, FDEP and the PRP continue to protect people and the environment from site contamination.

Site Location and Background

The 660-acre site is located in Hialeah in southern Florida. The site includes a capped former landfill surrounded by a secured perimeter fence. The capped area consists of several grass-covered hills and access roads. The hills also include vents for landfill gas. Other site features include a 35-acre wetland, which provides habitat for native wildlife. Industrial areas border the site to the east. Residences, a country club and a golf course are located south of the site. The county’s incinerator and recycling plant are located to the west. There has been significant development in the area in recent years, including apartment buildings, condominiums and single-family homes.

From 1952 to 1982, Miami-Dade County operated a municipal landfill at the site, accepting municipal and industrial wastes. An estimated 65 percent of the wastes originated from domestic and industrial sources and 35 percent of the waste included miscellaneous debris (e.g., liquid wastes, appliances, automobiles). The landfill also received crushed rock and calcium carbonate sludge from nearby water treatment facilities. The site received approximately 60,000 tons of waste in 1952; waste deposits increased annually over the landfill’s 30-year operation to over one million tons per year. After 1982, the landfill only received construction debris. In 1983, EPA listed the site on the NPL. EPA deleted the site from the NPL in 1996, following completion of the site’s cleanup. Parties have shown interest in redeveloping the site property for recreational purposes such as soccer or model airplane flying fields. Part of the site is currently in reuse as wildlife habitat. 

The Biscayne Aquifer is the only underground source of drinking water for the area and lies under a portion of the site.

Two other NPL sites, the Miami Drum Services site and the Varsol Spill site, are located nearby and also impacted area ground water.

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Threats and Contaminants

Site investigations identified contamination in ground water that could potentially harm people in the area. Ground water contamination resulted at least partly from landfill waste management practices. For example, the landfill did not have a protective liner to prevent contaminated liquid from seeping into ground water. Site contaminants of concern identified include arsenic, chromium, zinc, benzene, chlorobenzene, 1,1,2,2-tetrachloroethane, trichloroethene and vinyl chloride. EPA determined that levels of some of these contaminants in ground water could cause harm to people or the environment.

The site is fenced and secured, restricting access. The site’s landfill cap prevents contact with contamination. Miami-Dade County maintains the site and makes sure there is no unauthorized site access. Nearby residents and businesses use the public water system for drinking purposes. The PRP connected private well users impacted by the landfill to the public water system as part of the site’s cleanup.

In addition, the South Florida Water Management District listed the site and nearby surrounding area as a ground water delineation area. This designation means that the District must approve any drinking water wells placed in the delineation area. An institutional control restricting soil use is also in place at the site. The PRP completed the site’s cleanup and there are no longer any significant ground water concerns at the site. EPA removed the site from the NPL in 1996.

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Investigation and Cleanup Responsibility / Oversight

Miami-Dade County, the site’s PRP, led site investigation and cleanup activities, with oversight provided by EPA and FDEP.

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Site Cleanup Plan

In 1987, EPA issued a cleanup plan (a Record of Decision, or ROD) for the site. The plan included the following activities:

Summaries of site cleanup approaches are also available online in key site cleanup documents, including the ROD and Five-Year Reviews.

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Cleanup Progress

Parties undertook cleanup actions at the site in three stages. First, the PRP connected private well users to the public water system in 1988. Second, the PRP constructed a leachate collector and interceptor trench in 1988–1989. Lastly, the PRP closed the landfill in 1995. Damage from Hurricane Andrew in 1992 slowed closure of the landfill. To achieve official closure, a landfill must meet a series of requirements to make sure additional contamination does not spread into the surrounding area.

After the site’s cleanup met all site cleanup goals, EPA deleted the site from the NPL in 1996. Recently, there has been significant development activity in areas surrounding the site. Due to a road expansion project north of the site, the PRP relocated some off-site monitoring wells.

The site’s fourth Five-Year Review, completed in 2010, found that the cleanup remains effective in protecting public health and the environment from site contamination.

Summaries of site cleanup activities are also available in the Five-Year Reviews online.

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Enforcement Activities

EPA negotiated legal agreements with the site PRP to investigate and clean up the site. The PRP continues to fund site monitoring and oversight activities.

RODs and Five-Year Reviews online provide information on specific legal agreements for the site.

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Community Involvement

EPA has worked with the community and its state partner to develop a long-term cleanup plan for the site, reflecting the Agency’s commitment to safe, healthy communities and environmental protection. Community engagement and public outreach are core components of EPA program activities.

EPA has conducted a range of community involvement activities to solicit community input and to make sure the public remains informed about site activities throughout the cleanup process. Outreach efforts have included public notices, interviews, newspaper announcements and public meetings.

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Future Work

Institutional controls will remain in place and ground water monitoring will continue as needed.

EPA completed the last Five-Year Review in 2010 and plans to complete the next Five-Year Review in 2015.

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Additional Information

EPA keeps additional site documents and information in a site information repository at the location below. EPA also posts site documents, when available, on EPA’s CERCLIS Site Profile page. For documents not available on the website, please contact the Region 4 Freedom of Information Office.

Site Repository

Metropolitan Dade County Department of Environment
33 S.W. 2nd Avenue, Suite 800
Miami, FL  33130

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