Lake Run-a-muck Dam is an earth dam located in San Jacinto County, Texas, built in 1960. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 700 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 Lake Run-a-muck Dam
The primary purpose of Lake Run-a-muck Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wiggins Land Company of Texas Inc (private). It impounds the Tr-coley Creek.
The dam stands 10 feet tall and stretches 700 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1960, 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. The most recent inspection on record was 04/02/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | San Jacinto |
| River/Stream | Tr-coley Creek |
| Coordinates | 30.48897, -94.97511 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 700 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wiggins Land Company of Texas Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/02/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03817 |
| Federal ID | TX03817 |
| More Info | State Dam Safety Program |