Last Updated: 01/13/2021

Project Update

1/5/2021 Update:
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We are currently working on preliminary plans, cost estimate, grant applications, permits, and finalizing a de-watering site.

Project Overview

Spring Harbor is due for maintenance dredging because users of the public boat launch and adjacent residents are having trouble launching boats. The hydrographic survey from May 2020 shows the average depth of the harbor is 2.5 feet.  City Engineering is working with the City Parks Department on a dredge plan to remove sediment/ debris to clear out 8 feet below summer minimum lake level of Lake Mendota (849.6 feet NGVD29 Datum). Dredging limits  are to be determined by funding.

Project Limits

Entire length of Spring Harbor channel from Lake Mendota Drive to Lake Mendota. Width will be a minimum of 25’ on either side of the channel centerline. A wider width will be determined by funding.

Project Schedule

Tentative schedule is September to December 2021. We are looking to avoid closing the harbor during boating season, but will need to dredge before the harbor freezes.

Public Involvement

There are a number of points of contact during this project where the public is encouraged to give feedback as part of public information meetings and public hearings. Dates, times and locations are indicated below:

Survey

Survey questions will be posted on this website in January 2021.

Common Council
Summer 2021, more information will be posted when available.

Board of Public Works
Summer 2021, more information will be posted when available.

Public Information Meetings
Spring 2021, more information will be posted when available.