Dorothy Knost Dam is an earth dam located in East Feliciana Parish, Louisiana. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 510 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 Dorothy Knost Dam
The primary purpose of Dorothy Knost Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dorothy Knost (private). It impounds the Tr. Bluff Creek near Bluff Creek.
The dam stands 20 feet tall and stretches 510 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 93 acre-feet, and collects water from a drainage area of 0 square miles.
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 11/15/2021.
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Location
| State | Louisiana |
| County | East Feliciana |
| Nearest City | Bluff Creek |
| River/Stream | Tr. Bluff Creek |
| Coordinates | 30.77743, -90.86664 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 510 ft |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dorothy Knost |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/15/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00413 |
| Federal ID | LA00413 |
| More Info | State Dam Safety Program |