JOES VALLEY DAM
OperatingPower plant
- County
- Emery County
- Operator
- CITY OF BOUNTIFUL
- Status
- Operating
- EIA plant ID
- 4264
- Coordinates
- 39.2881, -111.2678
JOES VALLEY DAM, a power plant in Emery County, Utah. Operated by CITY OF BOUNTIFUL. One of 71 power plants tracked in Utah on Bywatts.
Weather peril exposure
JOES VALLEY DAM is a power plant in Emery County, UT, operated by CITY OF BOUNTIFUL. Emery County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.0 of 5 at the 1st national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 87th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Emery County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 87th | 4.5 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 75th | 4.0 of 5 | 10.5 |
| Wildfire | Very Low | 72nd | 3.9 of 5 | <0.01 |
| Lightning | Relatively High | 53rd | 3.1 of 5 | 46.4 |
| Heat wave | Very Low | 41st | 2.7 of 5 | 2.0 |
| Ice storm | Very Low | 20th | 1.8 of 5 | 0.01 |
| Hail | Very Low | 11th | 1.5 of 5 | 0.09 |
| Tornado | Very Low | 10th | 1.4 of 5 | 0.12 |
| Strong wind | Very Low | 9th | 1.4 of 5 | 0.11 |
| Riverine flooding | Very Low | 7th | 1.3 of 5 | 1.3 |
Perils not assessed in Emery 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 "Not Applicable" for this county |
Model hail, wind and flood exposure for Emery 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.