Istrouma Lake Dam
Istrouma Lake Dam is an earth dam located in East Feliciana Parish, Louisiana, built in 1959. It carries a Low hazard potential classification and has a poor condition assessment.
About Istrouma Lake Dam
The primary purpose of Istrouma Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Boy Scouts Of America (private). It impounds the Tr-sandy Creek near Blairstown.
The dam stands 15 feet tall and stretches 2,250 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 171 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 02/07/2024.
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Location
| State | Louisiana |
| County | East Feliciana |
| Nearest City | Blairstown |
| River/Stream | Tr-sandy Creek |
| Coordinates | 30.86600, -90.96000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 12 ft |
| Dam Length | 2,250 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 171 acre-ft |
| Max Storage | 171 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 699 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Boy Scouts of America |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 02/07/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00066 |
| Federal ID | LA00066 |
| More Info | State Dam Safety Program |