Otilalda is an earth dam located in Pondera County, Montana, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 300 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 Otilalda
The primary purpose of Otilalda is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Brady (local government). It impounds the Tr-south Pondera Coulee near Brady.
The dam stands 15 feet tall and stretches 300 feet across, and has a maximum storage capacity of 93 acre-feet. Completed in 1960, 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.
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Location
| State | Montana |
| County | Pondera |
| Nearest City | Brady |
| River/Stream | Tr-south Pondera Coulee |
| Coordinates | 48.04160, -111.85610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Normal Storage | 48 acre-ft |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Brady |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03502 |
| Federal ID | MT03502 |
| More Info | State Dam Safety Program |