FEMADR-557-WYMajor disasterDeclared May 29, 1978
DR-557-WY: Wyoming Severe Storms, Flooding & Mudslides
FEMA made a major disaster declaration for Wyoming (DR-557-WY) on May 29, 1978 for the incident of May 29, 1978 to May 29, 1978; it covers 12 designated areas.
The declaration
- Declaration
- DR-557-WY (also written FEMA-557-DR)
- Type
- Major disaster declaration
- State
- Wyoming
- Incident
- Flood: Severe Storms, Flooding & Mudslides
- Incident period
- May 29, 1978 to May 29, 1978
- Declared
- May 29, 1978
- Programs declared
- Individual Assistance (the older program, flagged until 2008), Public Assistance
- FEMA region
- 8
- Place in the year
- the only major disaster declaration for Wyoming in 1978
- Status
- closed out on May 21, 1983
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2). Data as of September 29, 2026.
Which areas are covered, and for what?
| Designated area | Individuals and Households | Individual Assistance (older program) | Public Assistance | Hazard Mitigation |
|---|---|---|---|---|
| Big Horn (County) | — | Yes | Yes | — |
| Campbell (County) | — | Yes | Yes | — |
| Converse (County) | — | Yes | Yes | — |
| Crook (County) | — | Yes | Yes | — |
| Hot Springs (County) | — | Yes | Yes | — |
| Johnson (County) | — | Yes | Yes | — |
| Natrona (County) | — | Yes | Yes | — |
| Niobrara (County) | — | Yes | Yes | — |
| Park (County) | — | Yes | Yes | — |
| Sheridan (County) | — | Yes | Yes | — |
| Washakie (County) | — | Yes | Yes | — |
| Weston (County) | — | Yes | Yes | — |
An area can be added to a declaration after the first day, or have a program added: this table is FEMA's current list.
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2). Data as of September 29, 2026.
How much has FEMA approved?
FEMA has published no assistance totals for this declaration.
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2); FEMA, OpenFEMA FEMA Web Disaster Summaries (v1). Data as of September 29, 2026.
FEMA's page for this declaration
FEMA's own page for this declaration is fema.gov/disaster/557. AreaZine is not FEMA and cannot answer questions about an application.