Mccormack Reservoir No 4 Levee is an earth dam located in Brazoria County, Texas, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 15,000 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 Mccormack Reservoir No 4 Levee
The primary purpose of Mccormack Reservoir No 4 Levee is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by The Randolph Company (private). It impounds the Off Ch-austin Bayou.
The dam stands 7 feet tall and stretches 15,000 feet across, and has a maximum storage capacity of 2,660 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. The most recent inspection on record was 01/24/1983. That was over 43 years ago.
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Location
| State | Texas |
| County | Brazoria |
| River/Stream | Off Ch-austin Bayou |
| Coordinates | 29.12297, -95.31724 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 15,000 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 2,660 acre-ft |
| Max Storage | 2,660 acre-ft |
| Normal Storage | 1,520 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | The Randolph Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/24/1983 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01733 |
| Federal ID | TX01733 |
| More Info | State Dam Safety Program |