Dam 31
Dam 31 is an earth dam located in Coryell County, Texas, built in 1999. It carries a Low hazard potential classification and has a poor condition assessment.
About Dam 31
The primary purpose of Dam 31 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Fort Cavazos (federal). It impounds the House Creek near Copperas Cove.
The dam stands 50 feet tall and stretches 900 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 402 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 09/14/2020.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Texas |
| County | Coryell |
| Nearest City | Copperas Cove |
| River/Stream | House Creek |
| Coordinates | 31.18248, -97.83871 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 42 ft |
| Dam Length | 900 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 402 acre-ft |
| Max Storage | 402 acre-ft |
| Normal Storage | 151 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 977 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Fort Cavazos |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/14/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX07240 |
| Federal ID | TX07240 |
| More Info | State Dam Safety Program |