US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-19 Blacksmith Slough

Published June 21, 2019

DN 19-19                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 21st, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Blacksmith Slough                         RIVER MILE: 719.0 – 719.8

 

HISTORIC DATA

Frequency: 19%                                              Avg. Quantity/Job: 18,606 yd3

Last Date Dredged: September 18th, 2018     Avg. Quantity/Year: 3,607 yd3

 

SURVEY DATA

Date Surveyed: June 14th, 2019

Water Surface Elevation: 646.7

Low Control Pool Elevation: 644.2

Net Difference: +2.5’

5-Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 14,321 yd3 plus 407 yd3 for access

Type of Dredge: Contract Mechanical

Actual Dredging Date: June 19th, 2019

Estimated Duration: 7 dredging days

Justification for Dredging: The navigation channel is closed between the 9.0’ contours 10.5’ contours once water levels reach LCP.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a site provided by the Winona Port Authority.  The Winona Port Authority has obtained all necessary permits for this action. The East End Boat Harbor (RM 723.6) is the offload site and material is trucked to Technology Park.

 

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 19-19 Blacksmith Slough

Published June 21, 2019

DN 19-19                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 21st, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Blacksmith Slough                         RIVER MILE: 719.0 – 719.8

 

HISTORIC DATA

Frequency: 19%                                              Avg. Quantity/Job: 18,606 yd3

Last Date Dredged: September 18th, 2018     Avg. Quantity/Year: 3,607 yd3

 

SURVEY DATA

Date Surveyed: June 14th, 2019

Water Surface Elevation: 646.7

Low Control Pool Elevation: 644.2

Net Difference: +2.5’

5-Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 14,321 yd3 plus 407 yd3 for access

Type of Dredge: Contract Mechanical

Actual Dredging Date: June 19th, 2019

Estimated Duration: 7 dredging days

Justification for Dredging: The navigation channel is closed between the 9.0’ contours 10.5’ contours once water levels reach LCP.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a site provided by the Winona Port Authority.  The Winona Port Authority has obtained all necessary permits for this action. The East End Boat Harbor (RM 723.6) is the offload site and material is trucked to Technology Park.

 

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.