Mason Lake Dam
Mason Lake Dam is an earth dam located in Harrison County, Texas, built in 1977. It carries a Low hazard potential classification.
About Mason Lake Dam
The primary purpose of Mason Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Eastman Chemical Company (private). It impounds the Mason Creek.
The dam stands 15 feet tall and stretches 150,200 feet across, creates a reservoir covering 485 acres, has a maximum storage capacity of 3,760 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 1977, the structure is 49 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 11/15/2017.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Harrison |
| River/Stream | Mason Creek |
| Coordinates | 32.40833, -94.63333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 150,200 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 3,760 acre-ft |
| Max Storage | 3,760 acre-ft |
| Normal Storage | 2,115 acre-ft |
| Surface Area | 485 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 25,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | EASTMAN CHEMICAL COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/15/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04799 |
| Federal ID | TX04799 |
| More Info | State Dam Safety Program |