Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Remediation Site Clean Up

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  • Analytical Methods for Petroleum Releases

    The Extractable Total Petroleum Hydrocarbons (ETPH), Extractable Petroleum Hydrocarbons (EPH), and Volatile Petroleum Hydrocarbons (VPH) are analytical methods that are commonly used in Connecticut to characterize petroleum releases.

  • Guidance for Utility Company Excavation

    Department of Energy & Environmental Protection recommendations to be followed by utilities that encounter contaminated soil during repair or construction activities.

  • Permits for Remediation Activities

    Permits that may be needed to perform environmental remediation.

  • General Permit for In Situ Remediation

    Connecticut DEEP has developed general permits for the most common in situ remedial activities - enhanced aerobic biodegradation and chemical oxidation. In situ remedial activities not covered by a general permit may still be authorized through the issuance of an individual groundwater discharge permit or a temporary discharge authorization, as appropriate for the proposed activity.

  • Voluntary Remediation Program CGS 22a-133x Fact Sheet

    This Voluntary Remediation Program (VRP) is an elective program in which an Environmental Condition Assessment Form (ECAF) and fee are filed with DEEP so that any party can expedite the investigation and remediation of any contaminated property.

  • Environmental Use Restrictions

    An Environmental Use Restriction (EUR) is used to minimize the risk of human exposure to pollutants and hazards to the environment by preventing specific uses or activities at a property or a portion of a property.

  • Voluntary Remediation Program CGS 22a-133y Fact Sheet

    This Voluntary Remediation Program (VRP) is an elective program for property owners to expedite the remediation of certain contaminated properties in an area where groundwater is classified as GB or GC.

  • 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.

  • State Superfund Program

    The State Superfund Program oversees and provides funding for the remediation of contaminated sites. The use of State funds for remediation at hazardous waste sites is determined by calculating a superfund priority score in accordance with Connecticut Regulations.

  • Federal Superfund Sites in Connecticut

    Information on the Federal Superfund sites in Connecticut.

  • Property Transfer Schedule Extension

    A Property Transfer Act schedule extension can be requested to address circumstances that warrant an extension of time. Generally, the Department will review a request in terms of whether the Certifying Party has made continuous, best efforts to complete milestones by the applicable deadlines.

  • Property Transfer Program Fact Sheet

    Guidance for complying with the Property Transfer Act requirements, including which forms are required for particular circumstances and applicable fees.

  • 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.

  • Siting Clean Energy on Brownfields

    Renewable energy, such as wind and solar, can be sited on land that has been or is perceived to be polluted and is now underused. These properties, called brownfields, may be particularly attractive because these types of renewable energy installations may require large sites, and brownfields are usually large sites located in areas with the existing infrastructure needed to support development.

  • Current Projects

    Up-to-date information regarding high profile remediation projects in Connecticut.

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