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DR-4405 · Montana

FLOODING

Flood · Declared October 31, 2018

Recorded incident start May 1, 2018. Recorded incident end June 10, 2018. Declaration request September 26, 2018. Recorded closeout October 22, 2024.

Open the official FEMA disaster page · Declaration data

County designations and filing dates

County programs listed by FEMA
CountyPrograms listedIndividual Assistance filing date
Carbon County, MontanaPublic Assistance · Hazard MitigationUnavailable
Custer County, MontanaPublic Assistance · Hazard MitigationUnavailable
Golden Valley County, MontanaPublic Assistance · Hazard MitigationUnavailable
Lewis and Clark County, MontanaPublic Assistance · Hazard MitigationUnavailable
Missoula County, MontanaPublic Assistance · Hazard MitigationUnavailable
Musselshell County, MontanaPublic Assistance · Hazard MitigationUnavailable
Park County, MontanaPublic Assistance · Hazard MitigationUnavailable
Powell County, MontanaPublic Assistance · Hazard MitigationUnavailable
Treasure County, MontanaPublic Assistance · Hazard MitigationUnavailable

Public Assistance for this declaration

Project worksheets
42
Federal share obligated
$1,648,424.91
Median days to first recorded obligation
224

Timing uses 42 dated worksheets and starts on the original declaration date. Earliest first obligation February 27, 2019. Most recent obligation in the project snapshot April 18, 2022.

Funded worksheets by category
Work categoryWorksheetsFederal share obligated
Roads and Bridges22$649,218.82
Water Control Facilities1$490,615.50
Emergency Protective Measures9$421,455.69
Management Costs9$56,994.50
Parks, Recreational Facilities, and Other Items1$30,140.40
First obligations by year
Year of first recorded obligation
YearWorksheets
201941
20201

Projects by applicant county

Applicant location recorded by FEMA
Applicant countyWorksheetsFederal share obligated
Treasure County, Montana2$510,185.62
Missoula County, Montana7$368,778.42
Golden Valley County, Montana5$233,199.65
Lewis and Clark County, Montana4$113,044.29
Park County, Montana6$105,972.73
Powell County, Montana5$102,606.22
Custer County, Montana2$80,357.89
Musselshell County, Montana3$71,044.14
Carbon County, Montana6$39,503.42

Projects FEMA labels statewide

Project worksheets
2
Federal share obligated
$23,732.53
Median days to first recorded obligation
119

Timing uses 2 dated worksheets and starts on the original declaration date. Earliest first obligation February 27, 2019. Most recent obligation in the project snapshot April 18, 2022.

Funded worksheets by category
Work categoryWorksheetsFederal share obligated
Management Costs1$19,382.57
Emergency Protective Measures1$4,349.96
First obligations by year
Year of first recorded obligation
YearWorksheets
20192

Project worksheet revisions

11 worksheets have dated revisions. The table shows up to 12 of the largest last revisions by dollar amount.

Browse every worksheet timeline for this declaration

Latest documented revisions
WorksheetLast date in activity fileLast signed changeNet in activity file
Worksheet 15January 15, 2020$192,443.25$490,615.50
Worksheet 23March 23, 2021-$124,244.36$105,146.86
Worksheet 8April 18, 2022-$84,506.01$19,382.57
Worksheet 27June 2, 2021$31,644.17$237,635.30
Worksheet 38March 3, 2020-$23,829.60$0.00
Worksheet 37September 4, 2020-$11,045.74$10,463.65
Worksheet 11July 26, 2021$10,548.06$80,762.93
Worksheet 39March 3, 2020-$7,536.29$0.00
Worksheet 42March 3, 2020-$4,736.28$0.00
Worksheet 41August 20, 2020-$2,633.56$0.00
Worksheet 40September 4, 2020-$308.03$19,570.12

How to read these FEMA records

America.co analysis of Federal Emergency Management Agency OpenFEMA data, retrieved November 10, 2026.

FEMA declarations · Owner assistance data · Renter assistance data · Funded project data · Grant award activity