LITTLE COTTONWOOD
OperatingHydro power plant
- Capacity
- 5 MW
- Primary fuel
- Hydro
- County
- Salt Lake County
- Operator
- CITY OF MURRAY - (UT)
- Status
- Operating
- Commissioned
- 1983
- EIA plant ID
- 6537
- Coordinates
- 40.5709, -111.7610
LITTLE COTTONWOOD, a 5 MW Hydro power plant in Salt Lake County, Utah. Operated by CITY OF MURRAY - (UT), commissioned 1983.
Weather peril exposure
LITTLE COTTONWOOD is a 5 MW hydro power plant in Salt Lake County, UT, operated by CITY OF MURRAY - (UT), commissioned in 1983. Salt Lake County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 15th national percentile. Earthquake is the leading peril, rated Relatively High by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Salt Lake County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively High | 97th | 4.9 of 5 | 0.02 |
| Wildfire | Relatively High | 95th | 4.8 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 43rd | 2.7 of 5 | 2.2 |
| Hail | Relatively Low | 19th | 1.8 of 5 | 0.27 |
| Winter weather | Very High | 14th | 1.5 of 5 | 28.2 |
| Tornado | Relatively Moderate | 12th | 1.5 of 5 | 0.05 |
| Strong wind | Relatively Moderate | 8th | 1.3 of 5 | 1.3 |
| Lightning | Relatively High | 8th | 1.3 of 5 | 39.4 |
| Riverine flooding | Relatively Moderate | 5th | 1.2 of 5 | 1.1 |
| Ice storm | Very Low | 3rd | 1.1 of 5 | 0.01 |
Perils not assessed in Salt Lake County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "No Rating" for this county |
Model hail, wind and flood exposure for Salt Lake County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.