Colwell Lake Dam
Colwell Lake Dam is an earth dam located in Webb County, Texas, built in 1979. It carries a Low hazard potential classification.
About Colwell Lake Dam
Colwell Lake Dam is a dam in Webb, Texas. The dam is owned by Robert Colwell (private). It impounds the Tr-salado Creek.
The dam stands 12 feet tall and stretches 1,000 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 153 acre-feet. Completed in 1979, the structure is 47 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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Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Texas |
| County | Webb |
| River/Stream | Tr-salado Creek |
| Coordinates | 27.83932, -99.06922 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 153 acre-ft |
| Max Storage | 153 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | None |
Ownership & Safety
| Owner | ROBERT COLWELL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05405 |
| Federal ID | TX05405 |
| More Info | State Dam Safety Program |
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