Turtle Rock Lake is an earth dam located in De Soto Parish, Louisiana, built in 2020. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 1,200 ft long, taller than 55% 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 Turtle Rock Lake
The primary purpose of Turtle Rock Lake 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 Calhoun J. One, LLC (private). It impounds the Unnamed Creek near Mansfield.
The dam stands 26 feet tall and stretches 1,200 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 325 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2020, 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 03/10/2023.
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Location
| State | Louisiana |
| County | De Soto |
| Nearest City | Mansfield |
| River/Stream | Unnamed Creek |
| Coordinates | 32.06828, -93.66856 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,200 ft |
| Year Completed | 2020 (6 years old) |
Storage & Hydraulics
| NID Storage | 325 acre-ft |
| Max Storage | 325 acre-ft |
| Normal Storage | 260 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 56 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Calhoun J. One, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/10/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00830 |
| Federal ID | LA00830 |
| More Info | State Dam Safety Program |