Toulon Bayou No 1 is an earth dam located in Bienville Parish, Louisiana, built in 1966. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 36 ft36 ft tall and 820 ft long, taller than 82% 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 Toulon Bayou No 1
The primary purpose of Toulon Bayou No 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William M. Conly (private). It impounds the Tr-toulon Bayou near Cross.
The dam stands 36 feet tall and stretches 820 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 195 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1966, 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. 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 02/12/2021.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Louisiana |
| County | Bienville |
| Nearest City | Cross |
| River/Stream | Tr-toulon Bayou |
| Coordinates | 32.24600, -93.38200 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 30 ft |
| Dam Length | 820 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 195 acre-ft |
| Max Storage | 195 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,128 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | William M. Conly |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/12/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00045 |
| Federal ID | LA00045 |
| More Info | State Dam Safety Program |