Gray Lake Dam is an earth dam located in Bossier Parish, Louisiana, built in 1986. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 716 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 Gray Lake Dam
The primary purpose of Gray Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gray Lake Homeowners Ass. (private). It impounds the Connel Bayou near Princeton.
The dam stands 18 feet tall and stretches 716 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 380 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 12/22/2021.
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Location
| State | Louisiana |
| County | Bossier |
| Nearest City | Princeton |
| River/Stream | Connel Bayou |
| Coordinates | 32.57372, -93.52888 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 16 ft |
| Dam Length | 716 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 380 acre-ft |
| Max Storage | 380 acre-ft |
| Normal Storage | 304 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Gray Lake Homeowners Ass. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 12/22/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00501 |
| Federal ID | LA00501 |
| More Info | State Dam Safety Program |