Montgomery Dam is an earth dam located in Cameron County, Texas, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 680 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 Montgomery Dam
The primary purpose of Montgomery Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Rio Hondo (local government). It impounds the Arroyo Colorado near Rio Hondo.
The dam stands 21 feet tall and stretches 680 feet across, and has a maximum storage capacity of 505 acre-feet. Completed in 1963, 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. The most recent inspection on record was 04/18/1979. That was over 47 years ago.
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Location
| State | Texas |
| County | Cameron |
| Nearest City | Rio Hondo |
| River/Stream | Arroyo Colorado |
| Coordinates | 26.22463, -97.58610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 680 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 505 acre-ft |
| Max Storage | 505 acre-ft |
| Normal Storage | 380 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Rio Hondo |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/18/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04053 |
| Federal ID | TX04053 |
| More Info | State Dam Safety Program |