Mackinnon Gss is an earth dam located in Ellis County, Texas, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 789 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 Mackinnon Gss
The primary purpose of Mackinnon Gss is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by John Mackinnon (private). It impounds the Tr-mill Creek.
The dam stands 19 feet tall and stretches 789 feet across, and has a maximum storage capacity of 117 acre-feet. 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.
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Location
| State | Texas |
| County | Ellis |
| River/Stream | Tr-mill Creek |
| Coordinates | 32.12167, -96.86667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 789 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 117 acre-ft |
| Max Storage | 117 acre-ft |
| Normal Storage | 80 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | John Mackinnon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06181 |
| Federal ID | TX06181 |
| More Info | State Dam Safety Program |