US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 20-42 Betsy Slough

Published Oct. 2, 2020

DN 20-42                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 2nd, 2020                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Betsy Slough                       RIVER MILE: 730.9 – 731.4

 

HISTORIC DATA

Frequency: 86%                                             Avg. Quantity/Job: 33,765 yd3

Date Last Dredged: August 6th, 2018             Avg. Quantity/Year: 29,038 yd3

 

SURVEY DATA

Date Surveyed: September 28th, 2020

Water Surface Elevation: 650.6

Low Control Pool Elevation: 649.9

Net Difference: +0.7

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 13 feet

Estimated Quantity: 60,008 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: October 1st, 2020

Estimated Duration: 30 dredging days

Justification for Dredging: The navigation channel is restricted to 335’ between the 9.0’ contours and 310’ between the 10.5’ contours on a recommended bend width of of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Fountain City 1

Location: 5A-731.9-LWP

Site Characteristics: This is a historically used beneficial use stockpile site.  All material is expected to be removed. 

 

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 20-42 Betsy Slough

Published Oct. 2, 2020

DN 20-42                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 2nd, 2020                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Betsy Slough                       RIVER MILE: 730.9 – 731.4

 

HISTORIC DATA

Frequency: 86%                                             Avg. Quantity/Job: 33,765 yd3

Date Last Dredged: August 6th, 2018             Avg. Quantity/Year: 29,038 yd3

 

SURVEY DATA

Date Surveyed: September 28th, 2020

Water Surface Elevation: 650.6

Low Control Pool Elevation: 649.9

Net Difference: +0.7

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 13 feet

Estimated Quantity: 60,008 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: October 1st, 2020

Estimated Duration: 30 dredging days

Justification for Dredging: The navigation channel is restricted to 335’ between the 9.0’ contours and 310’ between the 10.5’ contours on a recommended bend width of of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Fountain City 1

Location: 5A-731.9-LWP

Site Characteristics: This is a historically used beneficial use stockpile site.  All material is expected to be removed. 

 

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.