Hyrum : P-946

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Waterway: Blacksmith Fork

Authorized capacity: 0.4 mW

License issued: 8/1/2008
License expires: 7/31/2038

Licensee: Hyrum City Corp

Download license summary for the Hyrum project.

The project is located on the Blacksmith Fork River in Cache County, Utah, and occupies 17.14 acres of federal lands within the Wasatch Cache National Forest. The project includes the following constructed facilities:

  1. a 260 foot-long dam consisting of a 15-foot-high, 70-foot-long earth-fill concrete core embankment to the north; a 14-foot-high, 65-foot-long concrete spillway section; and a 15-foot-high, 125- foot-long earth-fill concrete core embankment to the south,
  2. a 37-acre-foot de-silting reservoir (forebay);
  3. a 16-foot-high, 8-foot-wide concrete intake structure with a 20- foot-high, 8-foot-wide trash rack;
  4. a 60-inch-diameter concrete penstock inlet with head gate;
  5. a 3,470-foot-long, 48-inch-diameter concrete penstock going into a 130-foot-long, 42-inch-diameter steel penstock;
  6. a 26-foot-wide, 39-foot-long, 20-foot-high brick powerhouse containing a 400-kW Leffel horizontal shaft scroll case turbine;
  7. a 60-foot-long, 2.4-kilovolt (kV) underground transmission line and;
  8. appurtenant facilities.

Source: FERC



EA Issued 12-20-2007
License Issued 08-01-2008