Helm Lake No 3 Dam is an earth dam located in Hopkins County, Texas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 792 ft long, taller than 55% 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 Helm Lake No 3 Dam
Helm Lake No 3 Dam is a dam in Hopkins, Texas. The dam is owned by Walter Helm (private). It impounds the Tr-rock Creek.
The dam stands 26 feet tall and stretches 792 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 155 acre-feet. Completed in 1964, 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 | Hopkins |
| River/Stream | Tr-rock Creek |
| Coordinates | 33.13000, -95.54348 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 792 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | None |
Ownership & Safety
| Owner | Walter Helm |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05415 |
| Federal ID | TX05415 |
| More Info | State Dam Safety Program |