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Environmental Impact Statement - Northern Integrated Supply Project

Summary: 

The Northern Colorado Water Conservancy District (Northern) provides water and operates infrastructure that serves numerous communities along the Front Range of Colorado. Northern, acting on behalf of 15 municipal and rural domestic water providers (Participants), requested a Clean Water Act Section 404 Permit from the USACE Omaha District Regulatory Branch to undertake the Northern Integrated Supply Project (NISP). The proposed project would provide 40,000 acre-feet of new reliable water supply, which would meet a portion of the Participants' future water supply needs. The project proposes the construction of two new reservoirs, Glade and Galeton, with capacities of 170,000 and 45,624 acre-feet, respectively. The U.S. Army Corps of Engineers is the lead federal agency and has been preparing an EIS since 2004 to analyze environmental effects. A Draft EIS was released April 30, 2008. More than 200 potential water storage facilities and 16 potential water supply sources were evaluated with four project alternatives being carried forward in the EIS. 

EIS Milestones
Completed 
Publish Notice of Intent to Prepare EIS
Aug. 20, 2004
Hold Scoping Public Meeting
Sept. 20, 21, and 22, 2004
Publish Notice of Availability and Issue Draft EIS
April 30, 2008
Publish Notice of Public Hearing  May 30, 2008
Hold Draft EIS Public Hearing
June 16, 17, and 19, 2008
Draft EIS Comments Due
Sept. 13, 2008
Publish Notice of Intent to Prepare Supplemental Draft EIS Feb. 17, 2009
Publish Notice of Availability and Issue Supplemental Draft EIS
June 19, 2015
Public Comment Period Extended  June 30, 2015
Public Hearings Held July 22 & 23, 2015
Supplemental Draft EIS Comments Due Sept. 3, 2015
Final EIS *Estimated 2017

* This is a target timeframe.

* These 
* These 

Supplemental Draft EIS - Northern Integrated Supply Project

Supplemental Draft EIS Release Date: June 19, 2015

Permit Applicant: Northern Colorado Water Conservancy District

Supplemental Draft EIS Prepared by: U.S. Army Corps of Engineers, Omaha District Regulatory Branch (the Corps Regulatory Branch is neither a proponent nor opponent of the proposed project).

A list of Colorado libraries and offices where a paper copy of the Supplemental Draft EIS is available in the Public Notice.

Comments Due: September 3, 2015 

Submit comments in writing to:

John Urbanic, NISP EIS Project Manager
U.S. Army Corps of Engineers, Omaha District
Denver Regulatory Office
9307 S. Wadsworth Blvd.
Littleton, CO  80128
E-mail: nisp.eis@usace.army.mil

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The entire document is available in two downloadable files. Click the links to begin downloading. The files are large and may take some time to download. Technical reports are not included among these files.

Open Houses and Hearings for oral and/or written comments were held:
  • July 22, 2015: Hilton Fort Collins - 425 West Prospect Road, Fort Collins
  • July 23, 2015: Weld County Administration Building - 1150 O Street, Greeley

Draft EIS - Northern Integrated Supply Project

Draft Environmental Impact Statement - Northern Integrated Supply Project

Draft EIS Release Date: April 30, 2008

Public Comments Due: Sept. 13, 2008

Permit Applicant: Northern Colorado Water Conservancy District

Prepared by: U.S. Army Corps of Engineers, Omaha District, Regulatory Branch (the Corps Regulatory Branch is neither a proponent nor opponent of the proposed project).

Tip: Files that are larger than 20 MB will not open automatically. After clicking the link to the section you wish to open, clicking the blue "download" button in the upper right hand corner of the page will improve download efficiency.


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Volume I

  • Acronyms and Abbreviations
  • Executive Summary
  • Contents
  • Chapter 1 - Background
  • Chapter 2 - Proposed Action and Alternatives
  • Chapter 3 - Affected Environment
  • Chapter 4 Environmental Consequences
  • Chapter 5 Environmental and Other Commitments
  • Chapter 6 Public Participation
  • Chapter 7 References
  • Glossary and Index

Volume II

  • Appendices
  • Appendix A Stream Flow and Stage Data
  • Appendix B Consultation with U.S. FWS Biological Assessment and Biological Opinion
  • Appendix C Programmatic Agreement for Cultural Resources
  • Appendix D Section 404(b)(1) Analysis
  • Appendix E Cache la Poudre River Stream Morphology Reaches