Mallard Lake Club Dam is an earth dam located in Brazoria County, Texas. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 14,885 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 Mallard Lake Club Dam
The primary purpose of Mallard Lake Club Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mallard Lake Club (private). It impounds the Off Ch-brazos River.
The dam stands 7 feet tall and stretches 14,885 feet across, creates a reservoir covering 850 acres, and has a maximum storage capacity of 1,462 acre-feet.
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 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 04/11/2023.
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Location
| State | Texas |
| County | Brazoria |
| River/Stream | Off Ch-brazos River |
| Coordinates | 29.19500, -95.60833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 14,885 ft |
Storage & Hydraulics
| NID Storage | 1,462 acre-ft |
| Max Storage | 1,462 acre-ft |
| Normal Storage | 762 acre-ft |
| Surface Area | 850 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mallard Lake Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/11/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX05887 |
| Federal ID | TX05887 |
| More Info | State Dam Safety Program |