WHITE RIVER LOCK AND DAM 3
OperatingHydro power plant
- Capacity
- 4 MW
- Primary fuel
- Hydro
- County
- Stone County
- Operator
- WHITE RIVER HYDROELECTRIC
- Status
- Operating
- Commissioned
- 2006
- EIA plant ID
- 57162
- Coordinates
- 35.8440, -91.8519
WHITE RIVER LOCK AND DAM 3, a 4 MW Hydro power plant in Stone County, Arkansas. Operated by WHITE RIVER HYDROELECTRIC, commissioned 2006.
Weather peril exposure
WHITE RIVER LOCK AND DAM 3 is a 4 MW hydro power plant in Stone County, AR, operated by WHITE RIVER HYDROELECTRIC, commissioned in 2006. Stone County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.6 of 5 at the 65th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 100th 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.
Stone County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 100th | 5.0 of 5 | 1.7 |
| Tornado | Relatively Moderate | 92nd | 4.7 of 5 | 0.41 |
| Winter weather | Relatively Low | 90th | 4.6 of 5 | 8.5 |
| Earthquake | Relatively Low | 87th | 4.5 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 85th | 4.4 of 5 | 1.2 |
| Lightning | Relatively Low | 81st | 4.2 of 5 | 58.4 |
| Strong wind | Relatively Low | 74th | 4.0 of 5 | 2.8 |
| Wildfire | Relatively Low | 74th | 3.9 of 5 | <0.01 |
| Hurricane | Very Low | 42nd | 2.7 of 5 | 0.01 |
| Hail | Very Low | 35th | 2.4 of 5 | 4.7 |
| Heat wave | Relatively Low | 33rd | 2.3 of 5 | 10.2 |
Perils not assessed in Stone 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 |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Stone 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.