Dennison Lake Dam is an earth dam located in Harris County, Texas, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 7,500 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 Dennison Lake Dam
The primary purpose of Dennison Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by As Dennison (private). It impounds the Off Ch-mound Creek.
The dam stands 8 feet tall and stretches 7,500 feet across, creates a reservoir covering 71 acres, and has a maximum storage capacity of 568 acre-feet. Completed in 1960, the structure is well into its service life at over 50 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 | Harris |
| River/Stream | Off Ch-mound Creek |
| Coordinates | 30.00698, -95.87590 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 7,500 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 568 acre-ft |
| Max Storage | 568 acre-ft |
| Normal Storage | 568 acre-ft |
| Surface Area | 71 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | As Dennison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03391 |
| Federal ID | TX03391 |
| More Info | State Dam Safety Program |