Remediation Site Clean Up
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Significant Environmental Hazards
Section 22a-6u of the Connecticut General Statutes (CGS) requires the owner of property which is the source or location of pollution causing a significant environmental hazard to notify the Department of Energy & Environmental Protection (DEEP) after they become aware of such conditions.
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Reducing and Preventing Releases of PFAS-Containing Firefighting Foam
One of the key pollution prevention recommendations in the State’s PFAS Action Plan was to discontinue use of PFAS-containing firefighting foam where possible. This page describes requirements of the 2021 Act Concerning the Use of Perfluoroalkyl or Polyfluoroalkyl Substances in Class B Firefighting Foam, which includes efforts to develop a 'take back' program to recover PFAS-containing firefighting foam from municipalities, to identify PFAS-free foam replacements, and to develop guidance for decontaminating fire apparatus that previously contained PFAS-containing foam.
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Licensed Environmental Professional (LEP) Application Forms
Links to various forms required to become a Licensed Environmental Professional in Connecticut.
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The Potable Water Program assists individuals whose private or public drinking water supply wells may be at risk of becoming contaminated or have become contaminated as a result of human activity. Many resources are included on this page.
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Connecticut Interagency PFAS Task Force
To protect Connecticut’s residents and environment from the harmful effects of per- and polyfluorinated alkyl substances (PFAS), Governor Ned Lamont established the Connecticut Interagency PFAS Task Force, which was led by the Department of Public Health and Department of Energy and Environmental Protection.
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Remediation Division Documents
How to best search for CT DEEP Remediation Division information and files online.
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GAC Filter System for Private Wells
GAC filter systems are used to remove semi-volatile and volatile organic compounds (such as those found in gasoline, heating oil, and chlorinated solvents), as well as some pesticides, from polluted drinking water. Explanation of how these systems work, maintenance, and monitoring of GAC systems.
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Federal and State of Connecticut Superfund information
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DEEP’s Remediation Division oversees the assessment and cleanup of brownfields, sites that are abandoned or underutilized due to the presence or potential presence of pollution, to return them to productive use.
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Removal from SEMS Potential Superfund List
If remedial action has been completed through one or more DEEP Remediation Programs or an interested party has committed to remediate a site through a DEEP Remediation Program, DEEP can request that the Environmental Protection Agency (EPA) remove any active federal superfund site from the Superfund Enterprise Management System (SEMS), formerly CERCLIS or that EPA offer a "comfort letter" stating it will not take further action to list the site on the NPL.
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List of Contaminated or Potentially Contaminated Sites in Connecticut
Information regarding contaminated sites or potentially contaminated sites in Connecticut.
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Information on 1,4-dioxane, including industrial uses, analytic methods, behavior in the environment, and links to additional information on 1,4-dioxane.
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Connecticut Brownfield Liability Relief Programs
DEEP and the Department of Economic and Community Development’s Office of Brownfield Remediation and Redevelopment (OBRD) work closely together to provide liability relief and financial assistance for cleanup and redevelopment of Brownfields in Connecticut.
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The Remediation Division and LUST Coordination Program are now accepting specific types of documents electronically , while other documents require the Hardcopy Document Transmittal Form.