Hervey Lake No 1 Dam is an earth dam located in Colorado County, Texas, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 900 ft long. 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 Hervey Lake No 1 Dam
The primary purpose of Hervey Lake No 1 Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Doris Hervey (private). It impounds the Tr-willow Creek.
The dam stands 18 feet tall and stretches 900 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 200 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.
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Location
| State | Texas |
| County | Colorado |
| River/Stream | Tr-willow Creek |
| Coordinates | 29.75667, -96.36000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 900 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Doris Hervey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05487 |
| Federal ID | TX05487 |
| More Info | State Dam Safety Program |