Floods of May 1981 in west-central Montana
Water-Resources Investigations Report
82-33
By: Charles Parrett, R. J. Omang, J. A. Hull, and John W. Fassler
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Abstract
Extensive flooding occurred in west-central Montana during May 22-23, 1981, as a result of a series of rainstorms. Flooding was particularly severe in the communities of East Helena, Belt, and Deer Lodge. Although no lives were lost, total flood damages were estimated by the Montana Disaster Emergency Services Division to be in excess of $30 million. Peak discharges were determined at 75 sites in the flooded area. At 25 sites the May 1981 peak discharge exceeded the computed 100-year frequency flood, and at 29 sites, where previous flow records are available, the May 1981 peak discharge exceeded the previous peak of record. (USGS)
Suggested Citation
Parrett, C., Omang, R.J., Hull, J.A., Fassler, J.W., 1982, Floods of May 1981 in west-central Montana: U.S. Geological Survey Water-Resources Investigations Report 82-33, iv, 20 p. , https://doi.org/10.3133/wri8233.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Floods of May 1981 in west-central Montana |
| Series title | Water-Resources Investigations Report |
| Series number | 82-33 |
| DOI | 10.3133/wri8233 |
| Year Published | 1982 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | iv, 20 p. |
| Country | United States |
| State | Montana |