Boott Hydropower, LLC; Notice of Material Amendment of License Application, Soliciting Comments

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Energy Federal Energy Regulatory Commission [Project No. 2790-074] On April 30, 2021, Boott Hydropower, LLC (Boott) filed, pursuant to sections 4(e) and 15 of the Federal Power Act, an application for a new major license to continue operating the Lowell Hydroelectric Project No. 2790 (Lowell Project) located on Merrimack River in Middlesex County, Massachusetts, and Hillsborough County, New Hampshire. The project does not occupy any federal land but is located within the administrative boundary of the Lowell National Historical Park. On May 13, 2021, Commission staff issued a Notice of Application Tendered for Filing with the Commission and Establishing Procedural Schedule for Licensing and Deadline for Submission of Final Amendments. On May 20, 2025, Commission staff issued a Notice of Application Ready for Environmental Analysis and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions. On June 20, 2025, Boott filed an amendment to the license application. The Lowell Project consists of: (1) the 1,093-foot-long, 15-foot-high Pawtucket Dam and spillway, equipped with a 5-foot-high pneumatic crest gate with a crest elevation of 92.2 feet National Geodetic Vertical Datum of 1929 (NGVD 29) at the top of the gate; (2) a 1,236-acre impoundment with a normal maximum water surface elevation of 92.2 feet NGVD 29; (3) a 5.5-mile-long, two-tiered canal system that includes the 4,300 foot-long Northern Canal and the 9,000-foot-long Pawtucket Canal …