What We Do

History of SESD

A brief history of SESD

Celebrating 100 Years of Keeping the Environment Clean

SESD was formed in 1925 and has been serving our member communities for 100 years.

  • 1899

    The Federal Rivers and Harbor Act passes.

  • 1905

    Peabody and Salem build the first sewer interceptor.

  • 1924

    Department of Public Health (DPH) issues a special report required by the provisions of Chapter 64 of the Resolves of 1923 to address sewerage disposal for Peabody, Salem, Danvers, Beverly, and certain state institutions.

    Major concerns addressed by the Resolves:

    • Ipswich River (Beverly and Salem water supply) contamination by state institutions waste disposal.
    • Beach contamination in Beverly from sewer outfall off Independence Park. Sewerage and manufacturing waste in the waters adjacent to Salem and Peabody, especially the North River.

  • 1925

    SESD is created by Legislature, Chapter 339 of the Acts of 1925, to solve regional sewerage collection and disposal problems.

  • 1926 - 1931

    SESD constructs a sewage collection system as set forth in the enabling Legislation.

  • 1935

    SESD installs a grease and grit chamber in Salem to address grease issues in local waterways.

  • 1945

    SESD installs grease and grit chambers in Peabody to further address these grease issues.

  • 1953 - 1955

    SESD installs new pump station and outfall force main to address the post WW2 population boom.

  • 1966

    Congress creates the United States Environmental Protection Agency (EPA). Massachusetts Water Pollution Control (WPC) Division orders Cities and Towns to stop pumping raw sewage into Massachusetts Bay.

  • 1968

    EPA sets guidelines for primary treatment and SESD plans to build a plant at Cat Cove.

  • 1972

    The Town of Marblehead joins SESD’s member communities.

  • 1973

    SESD’s primary treatment plant construction begins.

  • 1974

    SESD starts one of Massachusetts’ first industrial pretreatment programs.

  • 1977

    The Clean Water Act sets discharge standards for secondary treatment. SESD’s primary treatment plant goes online.

  • 1983

    EPA orders SESD to build secondary treatment facilities.

  • 1985

    SESD begins design of secondary treatment facilities.

  • 1991

    A Consent Decree sets forth the requirement to complete secondary treatment facility by March of 1998.

     

  • 1998

    SESD’s secondary treatment facilities go online on schedule and under budget, while simultaneously completing rehabilitation of the primary treatment plant program.

  • 2011

    SESD begins to undergo capital improvements to maintain plant operations as primary and secondary facilities equipment approaches end of useful life.

  • 2016

    • Consent Decree ends.
    • Ongoing significant capital improvements planned and underway to maintain plant operations.
  • 2018

    • SESD implements new asset sustainability management program utilizing Lucity software.
    • SESD completes the Combined Heat and Power Plant installation to reduce operating costs to maintain SESD assets.
  • 2023

    SESD begins developing a Centennial plan to establish required facility upgrades to continue to serve the public for the next 100 years.