Montgomery Point Lock And Dam
Montgomery Point Lock And Dam is a concrete dam located in Desha County, Arkansas, built in 2004. It carries a Significant hazard potential classification.
About Montgomery Point Lock And Dam
The primary purpose of Montgomery Point Lock And Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - Little Rock District (federal). It impounds the White near Na.
The dam stands 55 feet tall and stretches 843 feet across, creates a reservoir covering 613 acres, has a maximum storage capacity of 10,595 acre-feet, and collects water from a drainage area of 27,818 square miles. Completed in 2004, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 08/11/2025.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Arkansas |
| County | Desha |
| Nearest City | Na |
| River/Stream | White |
| Coordinates | 33.94517, -91.08754 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 55 ft |
| Dam Height | 14 ft |
| Dam Length | 843 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 10,595 acre-ft |
| Max Storage | 10,595 acre-ft |
| Normal Storage | 7,452 acre-ft |
| Surface Area | 613 acres |
| Drainage Area | 27,818 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Little Rock District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 08/11/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AR01545 |
| Federal ID | AR01545 |
| More Info | State Dam Safety Program |