7th St to Boone's Lick Stormwater Upgrade - 17STM23

Construction Ward - 2

Project Description

Beginning in the 1940’s, a northern branch of Blanchette Creek was incrementally rerouted from its natural streambed into an assortment of culverts & tunnels. This branch of Blanchette Creek has a catchment area extending northwest from the intersection of Boone’s Lick Road & 5th Street to the Lindenwood University Campus; in total, around 170 acres of residential, commercial, church, and university owned parcels drain through this network of tunnels & pipes.

The existing pipes and box culverts do not adequately convey storm water flows, and cause frequent flooding to homes along the storm sewers route between Perry Street & 5th Street. Additionally, significant portions of the conveyance system are beginning to deteriorate and are structurally deficient. Of note, the existing system passes under or near several homes and may not be located within its dedicated easement in several locations. The selected design consultant will be responsible for determining the pipe sizes, inlet spacing, routing, and final design of the stormwater conveyance system. Design will also include utility coordination, impacted sanitary or waterline design, and an alternatives analysis that could include a combination of up-sizing the existing system, rerouting part of the flow, detention, and property acquisitions.


Project Location

Project Map

Contact Information

Dan Mann
Project Manager
636-949-3237

Current Project Activities

  • Project Charter approved in August 2017
  • Expression of Interest (EOI) received from 15 firms in early September 2017
    • HR Green was selected as the Design Engineering firm
  • Crews started survey work in December  2017

Public Outreach

A Public Meeting was held on September 12, 2018 at Lincoln Elementary. 
Lincoln Elementary, 625 S 6th St, Saint Charles, MO 63301
Presentation slides
Option 1 Display
Option 2 Display
Option 3 Display
Option 4 Display
Option 5 Display

A survey has been generated for residents and property owners. The survey will remain open until 5pm CST on September 24, 2018. Please click the following link to participate in the survey: https://www.surveymonkey.com/r/XP5KC8P

Condition Assessment Videos

Project Timeline

7th to booneslick timeline

Project Progress

7th to booneslick progress

Project Budget

7th to boone budget