Byram River Feasibility Study Information

Note: A public information meeting will be held on May 14, 2015.  

In October 2012, the Town of Greenwich and the U.S. Army Corps of Engineers (ACOE) initiated a cost shared feasibility level study to determine if flood risk management opportunities are advisable for the Byram River Basin, Connecticut and New York. This study is authorized by the House of Representatives Committee on Transportation and Infrastructure Resolution dated May 02, 2007, Docket Number 2779.

Information Needed

In order to maximize the accuracy and usefulness of this study, the Town of Greenwich would appreciate any photographs or flooding levels from the April 15, 2007 storm or Hurricane Irene, August 26, 2011. If you have any information please email James Michel.

Public Information Meeting 1

On January 23, 2013, the ACOE and the Town of Greenwich held a public information meeting to present the alternatives that are being considered as part of this study. A copy of the presentation along with several exhibits and informational video are posted. Please review the presentation as it provides detailed descriptions of the ACOE process, the allowable Flood Risk Management alternatives and a discussion on other items being considered.

Public Information Meeting 1 Documents

  1. Byram River January 23, 2013 Public Information Meeting Presentation With Notes (PDF)
  2. Figure 1 - Byram River Basin Area Exhibit (PDF)
  3. Figure 2 - Study Area (PDF)
  4. Figure 3 - Flood Inundation Map Exhibit (PDF)
  5. Figure 4 - 1977 Recommended Improvement Exhibit (PDF)
  6. Figure 5 - Required Estimated Storage Volume Exhibit (PDF)
  7. Figure 6 - River Profile Exhibit Showing Tide and Surge (PDF)
  8. Figure 7 - Flood Depth Estimates Based on First Floor (PDF)
  9. Figure 8 - Lucy Street Profile With Estimated Flood Level (PDF)

Public Information Meeting 2

On February 27, 2014, the ACOE and the Town of Greenwich held a public information meeting to present the results of the questionnaire, the work completed to date, and the specific alternatives that are being considered as part of this study. A copy of the presentation along with several exhibits are posted. Please review the presentation as it provides potential improvements that may be recommended to be made to each of the properties within the study area. Additionally, there is information on the estimated depth of flood damage to each property. Please review this information closely and email James Michel with any concerns or corrections to the impact to your property.

Public Information Meeting 2 Materials

  1. Alternate 2 100-Year Nonstructural (PDF)
  2. Alternate 2 10-Year Nonstructural (PDF)
  3. Alternate 2 500-Year Nonstructural (PDF)
  4. Alternate 2 Nonstructural Fact Sheets (PDF)
  5. Alternate 3 1977 Modified Structural Plan (PDF)
  6. Alternate 3 1977 Original Structural Plan (PDF)
  7. Alternate 3 Inundation Comparison Figure (PDF)
  8. Alternate 3 Modified 1977 Typical Cross Section (PDF)
  9. Byram River Feasibility Study Area (PDF)
  10. Flood Depth 100-Year vs First Floor-North (PDF)
  11. Flood Depth 100-Year vs First Floor-South (PDF)
  12. Flood Depth 100-Year vs Low Opening-North (PDF)
  13. Flood Depth 100-Year vs Low Opening-South (PDF)
  14. Presentation from February 27, 2014 Meeting (PDF)
  15. Storage Comparison (PDF)
  16. Study Area Sub-Basins (PDF)

Public Information Meeting Number 3

On May 14, 2015, the ACOE and the Town of Greenwich will hold a public information meeting to discuss the Byram River Basin-Connecticut and New York Flood Risk Management Feasibility Study. View the invitation to the meeting (PDF).