Newhalem Penstock Engineering Evaluation and Cost Analysis Review

The National Park Service (NPS) announces the availability for public review of documents comprising the updated Administrative Record File, now including the Engineering Evaluation and Cost Analysis (EE/CA) Report for the Newhalem Penstock Site (Site) in Newhalem, Washington, located within Ross Lake National Recreation Area. The penstock is part of a small hydroelectric Site on land under NPS's jurisdiction, custody, or control and operated by Seattle City Light under a FERC license.

An executive summary of the EE/CA report is available at the link below. Hard copies of the full report and Administrative Record for the site are available at the information repositories listed in the Public Notice of Availability and the Community Involvement Plan, which are also available at the links below. A digital copy of the EE/CA is available upon request.

Document Content:

NewhalemPenstock_Executive Summary.pdf   (2.7 MB, PDF file) NewhalemEECA_PUBLIC NOTICE OF AVAILABILITY.pdf   (115.3 KB, PDF file) NOCA SCL Contaminated Sites Community Involvement Plan January 2023.pdf   (1.5 MB, PDF file) Disclaimer: Links within the above document(s) were valid as of the date published. Note: Some of the files may be in PDF format and can be viewed using the Adobe Acrobat Reader software. You may download a free copy of from Adobe Systems.