Webb #1 is an earth dam located in Cascade County, Montana, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 375 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Webb #1
The primary purpose of Webb #1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Robert E. & Colleen Durocher (private). It impounds the Little Muddy Creek near Ulm.
The dam stands 15 feet tall and stretches 375 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1962, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Cascade |
| Nearest City | Ulm |
| River/Stream | Little Muddy Creek |
| Coordinates | 47.37190, -111.69960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 375 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 24 acre-ft |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Robert E. & Colleen Durocher |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00854 |
| Federal ID | MT00854 |
| More Info | State Dam Safety Program |