Marshall Road Dam is an earth dam located in De Soto Parish, Louisiana, built in 2017. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 969 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 Marshall Road Dam
The primary purpose of Marshall Road Dam 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 Mark Heacock;mr. James Marston (private). It impounds the Unnamed Creek near Longstreet.
The dam stands 18 feet tall and stretches 969 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2017, the structure is relatively new.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/22/2023.
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Location
| State | Louisiana |
| County | De Soto |
| Nearest City | Longstreet |
| River/Stream | Unnamed Creek |
| Coordinates | 32.12437, -93.98665 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 969 ft |
| Year Completed | 2017 (9 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 468 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Mark Heacock;mr. James Marston |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/22/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00684 |
| Federal ID | LA00684 |
| More Info | State Dam Safety Program |