Projects

6 MGD SURFACE WATER TREATMENT PLANT

Menasha, Wisconsin
Client:

Menasha Utilities, WI

Size:

6 MGD

Project Manager:

Don Voogt

Service Groups:
Market Served:
Project Overview:

A detailed investigation and evaluation of the existing plant resulted in replacing the existing processes with new facilities on-site in a 3-phased program to be implemented over a 15-year time period.

The Phase One project consisted of new, deep bed dual media filters to replace the existing filters, Granular Activated Carbon (GAC) contactors, Ultraviolet (UV) disinfection, and new chemical feed / storage system for soda ash.

The Phase Two project replaced the existing surface water intake with a new Lake Winnebago intake / screening system.

The Phase Three project added a new pre-treatment basin, a new pre-treatment process, and replaced chemical feed and storage systems.

  • The treatment processes implemented during the first project phase included enhanced coagulation / sedimentation, dual media deep bed filtration, GAC contactors for biological removal of dissolved organics and taste/odor control, extended CT basins for chlorine disinfection, and UV disinfection.
  • The new site layout allowed for implementation of Phase 2 and 3 without disruption to the existing plant operations.
  • The phasing plan allowed for phased replacement of existing, failed infrastructure on an as-needed and as-afforded basis, thus avoiding the significant rate impact of one large construction project.
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