Highway Lake Dam C is an earth dam located in Harrison County, Texas, built in 1956. It carries a Significant hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 550 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 Highway Lake Dam C
The primary purpose of Highway Lake Dam C is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Byron Grimm (private). It impounds the Tr-clarks Creek.
The dam stands 20 feet tall and stretches 550 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 150 acre-feet. Completed in 1956, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/02/2010. That was over 16 years ago.
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Location
| State | Texas |
| County | Harrison |
| River/Stream | Tr-clarks Creek |
| Coordinates | 32.50140, -94.61824 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 550 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 2,834 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Byron Grimm |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/02/2010 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX03577 |
| Federal ID | TX03577 |
| More Info | State Dam Safety Program |