Lower Plum Creek Ws Scs Site 28 Dam
Lower Plum Creek Ws Scs Site 28 Dam is an earth dam located in Caldwell County, Texas, built in 1963. It carries a High hazard potential classification.
About Lower Plum Creek Ws Scs Site 28 Dam
The primary purpose of Lower Plum Creek Ws Scs Site 28 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Caldwell Travis Swcd;plum Creek Conservation District (local government). It impounds the Tenney Creek near Mcmahan.
The dam stands 28 feet tall and stretches 3,700 feet across, creates a reservoir covering 69 acres, has a maximum storage capacity of 5,447 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 07/09/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Caldwell |
| Nearest City | Mcmahan |
| River/Stream | Tenney Creek |
| Coordinates | 29.85714, -97.51127 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 3,700 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 5,447 acre-ft |
| Max Storage | 5,447 acre-ft |
| Normal Storage | 199 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 12,308 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CALDWELL TRAVIS SWCD;PLUM CREEK CONSERVATION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 07/09/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX03420 |
| Federal ID | TX03420 |
| More Info | State Dam Safety Program |