Crescent Dam

The Crescent Project is located on the Westfield River on Mile 24 between the town of Russell and Huntington, MA. The project is located approximately 6 miles downstream of the Army Corps of Engineers Knightville Dam (non-hydroelectric) and 2.5 miles upstream of the Indian River Hydroelectric Project (FERC #12462.) The Project has a 1.5 MW rated capacity and produces 5,600,000 kWh in average annual generation.

Project Name Crescent
 LIHI Certificate Number 119
LIHI Certificate Effective and Expiration Dates March 13, 2015
March 13, 2020
Owner Littleville Power Company, Inc.
State Massachusetts
Location Located on river mile 24 on the Westfield River in the town of Russell, Hampden County, MA.
Installed Capacity 1.5 MW
Average Annual Generation 5.6 GWh
Facility Type Run-of-river
FERC No. 2986


The Crescent Impoundment has a reservoir volume of 12 Acre-Feet with a surface area of 3 acres. Approximately 3 acres are inundated by the facility. The project works are laid out over approximately 0.5 acres of non-reservoir facilities. Works consists of: (a) a 250 wide 12 foot high masonry gravity dam comprised of stone blocks and concrete with 3 foot high wooden flashboards; (b) an angled bar rack intake; (c) a downstream fish passage collection chamber and bypass pipe (details in VII.C “Fish Passage”); (d) a trash sluice; (e) concrete inlet channel and forebay; (f) a single unit (Kaplan) powerhouse with installed capacity of 1.5 MW; (g) substation; (h) a canoe portage; and (i) appurtenant facilities. The project is adjacent to an abandoned mill on the western side and a railway on the eastern side. The riverbanks immediately downstream are bounded by exposed bedrock outcrops. Access to the river downstream of the project is located on the eastern embankment of the tailrace and serves as a put-in for canoers and fishermen. The powerhouse is adjacent to the dam so the bypass reach is minimal.

The project is operated in an run-of-river mode.  The project is manned during normal business hours and unmanned during the nighttime hours. Generally, the operator reviews the status of three upstream USGS stations for river flow verification, and reviews the status of the downstream fish passage facilities and trashracks. Project operation is automated (both on and off) with alarm dial out during any unusual occurrences (e.g. station trip, low level alarm). Units automatically cycle between the maximum 700 cfs unit hydraulic capacity down to the minimum hydraulic capacity of 165 cfs.   When in operation (generally between April 1 through July 1 and from October 15 to ice-in) 20 cfs is released through the downstream passage system. The SCADA records all pertinent information on generation and water levels and this info is available upon request from the Applicant.

Crescent LIHI App_Attachment 3- Basin mapCrescent Powerhouse:Downstream Passage

Certification Benefits

Coming soon.

Crescent Tailrace

Certification History

June 15, 2015 – Executive Director Michael J. Sale, using authority delegated from the LIHI Governing Board and a full review of the Application Reviewer’s report and all public comments and additional materials provided by the Applicant, has determined that the Crescent Hydroelectric Project (FERC No. 2986) meets the LIHI Certification Criteria. The effective certification date for the Crescent Project is March 13, 2015 for a five (5) year term, which will expire on March 13, 2020, with the following condition:

  • The Facility Owner shall install upstream eel passage facilities as required by Massachusetts Division of Fisheries and Wildlife (MDFW) by July 15, 2016. The applicant shall work in collaboration with MDFW to install temporary eelways summer of 2015 to find the right locations, prior to finalizing the permanent upstream passage by date listed above.

March 16, 2015 –  On March 13, 2015, the Low Impact Hydropower Institute (LIHI) received a complete application from Littleville Power Company, Inc., for the Low Impact Certification of the Crescent Project, FERC P-2986, located on the Westfield River in the town of Russell, Hampden County, Massachusetts.