Montague No. 2 is an earth dam located in Siskiyou County, California, built in 1978. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 41 ft41 ft tall and 1,250 ft long, taller than 87% of U.S. dams with a recorded height. 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 Montague No. 2
The primary purpose of Montague No. 2 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 Montague (local government). It impounds the Tr Oregon Slough.
The dam stands 41 feet tall and stretches 1,250 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/31/2023.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | California |
| County | Siskiyou |
| River/Stream | Tr Oregon Slough |
| Coordinates | 41.73880, -122.55270 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,250 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Montague |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/31/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01135 |
| Federal ID | CA01135 |
| More Info | State Dam Safety Program |