Intent To Prepare an Environmental Impact Statement for the Proposed Halligan-Seaman Water Management Project in Northeastern Colorado
The U.S. Army Corps of Engineers (COE) is preparing an Environmental Impact Statement (EIS) to analyze the direct, indirect and cumulative effects of two water supply projects being proposed collectively as the Halligan-Seaman Water Management Project. Construction of the proposed Project(s) will result in temporary and permanent impacts to jurisdictional waters of the United States, thereby requiring Clean Water Act Section 404 permits. The Cities of Fort Collins and Greeley (Cities), and six other water providers (Participants), have proposed the Project(s) to provide drought protection of existing and future water demands, more efficiency in managing Participants' existing or future water rights, some operational redundancy, and possibly environmental benefits. Construction of the proposed Project(s) involves enlargement of two existing reservoirs: Halligan Reservoir and Milton Seamen Reservoir (Seaman Reservoir), resulting in approximately 88,592 acre-feet of additional storage capacity in the Cache la Poudre River Basin. The Halligan-Seaman Water Management Project would be a non-federal project constructed, owned and operated by the Cities and/or Participants.