Cosby Lake Dam is an earth dam located in Castro County, Texas, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 937 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 Cosby Lake Dam
The primary purpose of Cosby Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Earl Cosby (private). It impounds the Tr-middle Tule Draw near Tulia.
The dam stands 20 feet tall and stretches 937 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 137 acre-feet. Completed in 1965, 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 | Castro |
| Nearest City | Tulia |
| River/Stream | Tr-middle Tule Draw |
| Coordinates | 34.57773, -102.03606 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 937 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 137 acre-ft |
| Max Storage | 137 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Earl Cosby |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05421 |
| Federal ID | TX05421 |
| More Info | State Dam Safety Program |