Mahoney South Lake Dam is an earth dam located in McLennan County, Texas, built in 1965. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 24 ft24 ft tall and 682 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 Mahoney South Lake Dam
The primary purpose of Mahoney South Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jody Wayne Snyder;kurt Stricklen;linda Farrar;mclennan County;neal Mays Et Ux (local government). It impounds the Tr - Eagle Creek near Waco.
The dam stands 24 feet tall and stretches 682 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/23/2023.
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Location
| State | Texas |
| County | McLennan |
| Nearest City | Waco |
| River/Stream | Tr - Eagle Creek |
| Coordinates | 31.68592, -97.27222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 682 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jody Wayne Snyder;kurt Stricklen;linda Farrar;mclennan County;neal Mays Et Ux |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 01/23/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX05082 |
| Federal ID | TX05082 |
| More Info | State Dam Safety Program |