Helm Lake No 1 Dam is an earth dam located in Hopkins County, Texas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 950 ft long, taller than 62% 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 1 Dam
The primary purpose of Helm Lake No 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Walter Helm (private). It impounds the Tr-rock Creek.
The dam stands 28 feet tall and stretches 950 feet across, creates a reservoir covering 23 acres, and has a maximum storage capacity of 314 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 | 33.13626, -95.54052 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 950 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 314 acre-ft |
| Max Storage | 314 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 23 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Walter Helm |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00658 |
| Federal ID | TX00658 |
| More Info | State Dam Safety Program |