US Army Corps of Engineers
Omaha District

Seaman EIS News

Two CO water supply projects will be evaluated separately
1/16/2015
The Omaha District, U.S. Army Corps of Engineers has determined that the Halligan and Seaman water supply projects will be separated and independently evaluated as the Halligan Water Supply Project...

Environmental Impact Statement - Seaman Water Supply Project

Summary:

The City of Greeley, Colorado (Greeley), proposes to expand its existing Milton Seaman Reservoir, located on the North Fork Cache la Poudre River, to provide additional municipal and industrial water supplies.

In 2006, the U.S. Army Corps of Engineers, Omaha District, Regulatory Branch (USACE) began preparing a combined Environmental Impact Statement for the Seaman Water Supply Project and the City of Fort Collins' (Fort Collins) proposed expansion of Halligan Reservoir which is also on the North Fork of the Cache la Poudre River. Several contributing factors including differing study schedules led Fort Collins and Greeley to request that the two projects be separated and independently evaluated. USACE carefully considered the request and on January 15, 2015, determined that it is appropriate and in the best interest of all involved to independently evaluate them as two separate projects.

Greeley originally proposed to expand Milton Seaman Reservoir from 5,000 to 53,000 acre-feet to provide additional system firm yield of approximately 6,600 acre-feet per year in order to satisfy a portion of their projected 2050 municipal and industrial water demands.  However, in 2017 Greeley's water supplies and demands were reviewed and revised and show that in 2065 Greeley's projected water demands will exceed their projected supplies by 12,125 acre-feet. Greeley now proposes to expand Milton Seaman Reservoir to a total capacity of 88,000 acre-feet to provide additional system firm yield of 12,125 acre-feet per year to meet their full 2065 municipal and industrial demand.

USACE is currently identifying reasonable and practicable alternatives to Greeley's proposed project that will then be evaluated in a Draft EIS.

EIS Milestones
Completed 
Publish Notice of Intent to Prepare Draft EIS
Feb. 1, 2006
Public Scoping
May 30, 2006
Draft EIS 2020
Final EIS 2020

*These are target timeframes.

This Environmental Impact Statement is not currently in a period of public comment.

The documents associated with it are currently being transitioned to the U.S. Army Corps of Engineers Headquarters Digital Library.

Once the transition is complete, the documents will be made available here.

EIS Milestones
Completed 
Publish Notice of Intent to Prepare EIS
Sept. 17, 2003
Public Scoping
Nov. 7, 2003
Publish Notice of Availability of Draft EIS
Oct. 30, 2009
Draft EIS Comments Due
March 17, 2010
Publish Notice of Availability of Final EIS
Projected Release February 2014*
Permit Decision Projected Decision Spring 2015*