US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-47 Lower Zumbro

Published Oct. 7, 2019

DN 19-47                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 7th, 2019                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Lower Zumbro                   RIVER MILE: 743.5 – 744.5

 

HISTORIC DATA

Frequency: 61%                                              Avg. Quantity/Job: 32,552 yd3

Last Date Dredged: July 16th, 2018                Avg. Quantity/Year: 19,930 yd3

 

SURVEY DATA

Date Surveyed: September 26th, 2019

Water Surface Elevation: 660.4

Low Control Pool Elevation: 659.4

Net Difference: +1.0

5 Day River Forecast: Slight increase then continue high

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 45,866 yd3

Type of Dredge: Contract Mechanical Plant 1

Proposed Dredging Date: October 7th, 2019

Estimated Duration:  22 Dredging Days

Justification for Dredging: The channel is reduced to 200’ between the 9’ contours and closed between the 10.5’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lost Island

Location: 5-744.7-LWT

Site Characteristics: This is a historically used temporary placement site.

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please call a dredging manager at (651) 290-5155.

 

 

 


Dredge Notice 19-47 Lower Zumbro

Published Oct. 7, 2019

DN 19-47                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 7th, 2019                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Lower Zumbro                   RIVER MILE: 743.5 – 744.5

 

HISTORIC DATA

Frequency: 61%                                              Avg. Quantity/Job: 32,552 yd3

Last Date Dredged: July 16th, 2018                Avg. Quantity/Year: 19,930 yd3

 

SURVEY DATA

Date Surveyed: September 26th, 2019

Water Surface Elevation: 660.4

Low Control Pool Elevation: 659.4

Net Difference: +1.0

5 Day River Forecast: Slight increase then continue high

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 45,866 yd3

Type of Dredge: Contract Mechanical Plant 1

Proposed Dredging Date: October 7th, 2019

Estimated Duration:  22 Dredging Days

Justification for Dredging: The channel is reduced to 200’ between the 9’ contours and closed between the 10.5’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lost Island

Location: 5-744.7-LWT

Site Characteristics: This is a historically used temporary placement site.

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please call a dredging manager at (651) 290-5155.