Herff Cornelius Dam 1 is an earth dam located in Matagorda County, Texas, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 1,900 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 Herff Cornelius Dam 1
The primary purpose of Herff Cornelius Dam 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Herff Cornelius (private). It impounds the Live Oak Bayou.
The dam stands 8 feet tall and stretches 1,900 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 14,190 square miles. Completed in 1969, 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 | Matagorda |
| River/Stream | Live Oak Bayou |
| Coordinates | 28.88790, -95.78070 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 14,190 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Herff Cornelius |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX09454 |
| Federal ID | TX09454 |
| More Info | State Dam Safety Program |