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Turkey Creek Sewer Separation:
Environmental Assessment

Sewer Overflow

This ongoing project involves separation of combined sewers and installation of measures to reduce stormwater runoff to minimize diversion of sewer overflows during storm events. The project is located within an old urban area with the potential for soil and groundwater contamination resulting from historical property use. Such contamination may pose hazards to workers and the public and may result in increased costs and delays during construction. 



  • Regulatory database search and a review of Sanborn maps to identify sites of potential environmental concern.

  • Ranking of sites based on considerations such as proximity to proposed construction, type of site, length of use, etc.

  • Identification of fifty sites of moderate to high risk.

  • Preparation of GIS map presentating the site locations relative to proposed construction locations.

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