Las Colinas Reservoir No 4 Dam
Las Colinas Reservoir No 4 Dam is a buttress dam located in Dallas County, Texas, built in 1963. It carries a Low hazard potential classification.
About Las Colinas Reservoir No 4 Dam
The primary purpose of Las Colinas Reservoir No 4 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dallas County Urd (private). It impounds the Tr-elm Fork Trinity River near Dallas.
The dam stands 20 feet tall and stretches 220 feet across, and has a maximum storage capacity of 55 acre-feet. Completed in 1963, 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. The most recent inspection on record was 01/27/1976. That was over 50 years ago.
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Location
| State | Texas |
| County | Dallas |
| Nearest City | Dallas |
| River/Stream | Tr-elm Fork Trinity River |
| Coordinates | 32.86426, -96.94848 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 220 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 29 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | DALLAS COUNTY URD |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 01/27/1976 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04851 |
| Federal ID | TX04851 |
| More Info | State Dam Safety Program |