Harrison Lake No 3 Dam
Harrison Lake No 3 Dam is an earth dam located in Dimmit County, Texas, built in 1940. It carries a Low hazard potential classification.
About Harrison Lake No 3 Dam
The primary purpose of Harrison Lake No 3 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Dan Harrison (private). It impounds the Tr-los Tablos Creek.
The dam stands 25 feet tall and stretches 2,600 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 288 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 | Dimmit |
| River/Stream | Tr-los Tablos Creek |
| Coordinates | 28.23756, -99.56407 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 2,600 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 288 acre-ft |
| Max Storage | 288 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | DAN HARRISON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05426 |
| Federal ID | TX05426 |
| More Info | State Dam Safety Program |