Minimum Standards

All projects must comply with the standards and requirements outlined in our Minimum Standards for the Design and Construction of Water and Sanitary Sewer Systems. 

Download the Minimum Standards (PDF)

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  1. Notice of Revisions: Minimum Standards & Construction Details

    - The Minimum Standards and eleven construction detail drawings have been revised, effective January 1, 2016. View a summary of changes to the Minimum Standards.

  2. Impact Fee Increases and Important Policy Change

    On December 16, 2015, Charleston Water System's Board of Commissioners approved a three-phased incremental increase to water and sewer impact fees, with the first increase on July 1, 2016, the second on July 1, 2017, and the third on July 1, 2018. View fee schedule

    In addition, the Board approved reducing the Unit Contributory Loading (UCL) for an Equivalent Residential Unit (ERU) from 400 gallons per day to 300 gallons per day, effective January 1, 2016.