Upper East Fk Laterals Ws Scs Site 3a Dam is an earth dam located in Collin County, Texas, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 1,404 ft long, taller than 72% of U.S. dams with a recorded height. 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 Upper East Fk Laterals Ws Scs Site 3a Dam
The primary purpose of Upper East Fk Laterals Ws Scs Site 3a Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Collin County;collin County Swcd (local government). It impounds the Tr-bluff Creek.
The dam stands 31 feet tall and stretches 1,404 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 1,172 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1958, 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 | Collin |
| River/Stream | Tr-bluff Creek |
| Coordinates | 32.99262, -96.41662 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,404 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 1,172 acre-ft |
| Max Storage | 1,172 acre-ft |
| Normal Storage | 149 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,894 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Collin County;collin County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01092 |
| Federal ID | TX01092 |
| More Info | State Dam Safety Program |