Whippoorwill Grove Dam is an earth dam located in St. Tammany Parish, Louisiana. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 560 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 Whippoorwill Grove Dam
The primary purpose of Whippoorwill Grove Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Whippoorwill HOA Phase 7 and Susan Casey (private). It impounds the Tr - Mill Creek.
The dam stands 20 feet tall and stretches 560 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 160 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 03/14/2023.
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Location
| State | Louisiana |
| County | St. Tammany |
| River/Stream | Tr - Mill Creek |
| Coordinates | 30.61968, -89.97548 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 560 ft |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 144 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 352 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Whippoorwill HOA Phase 7 and Susan Casey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/14/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00725 |
| Federal ID | LA00725 |
| More Info | State Dam Safety Program |