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Colorado Department of Public Health and Environmental and the Water Quality Control Division granted NISP a Clean Water Act Section 401 Certification in January 2020.
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After five years for extended Environmental Impact Statement (EIS) studies, public support for the NISP remains steady. A survey conducted in July 2013 with 900 voters in Larimer, Weld and Morgan counties shows voter support for the project at 72 percent. The 2013 survey follows a survey conducted in August 2008 with 800 Larimer and Weld county voters that showed NISP had combined county support of 70 percent.
This report provides conceptual level information regarding the No Action Alternative for evaluation in the Supplemental Draft Environmental Impact Statement.
Executive summary for a report that provides conceptual level information regarding the No Action Alternative for evaluation in the Supplemental Draft Environmental Impact Statement.
A 2017 report for Water Supplies and Demands for NISP Participants.
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The Northern Integrated Supply Project Supplemental Environmental Impact Statement Executive Summary.
Supplemental Draft Environmental Impact Statement released by the U.S. Corps of Engineers in 2015.
Additional information on the U.S. Army Corps website.
The Northern Integrated Supply Project Final Environmental Impact Statement Executive Summary.
Final Environmental Impact Statement released by the U.S. Corps of Engineers in 2018.
U.S. Army Corp of Engineers appendices and documentation for environmental impact statements.
404 permit for the Northern Integrated Supply Project.
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Overall map of the Northern Integrated Supply Project.
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2015 Proposed Conceptual Mitigation Plan for the Northern Integrated Supply Project.
The approved 2017 State Fish and Wildlife Mitigation and Enhancement Plan for the Northern Integrated Supply Project.
Support letter from former Gov. Hickenlooper for NISP Fish and Wildlife Mitigation and Enhancement Plan.