Denman Park Dam
Denman Park Dam is an earth dam located in Bexar County, Texas, built in 1930. It carries a High hazard potential classification.
About Denman Park Dam
Denman Park Dam is a dam in Bexar, Texas. The dam is owned by City Of San Antonio (local government). It impounds the Tr-san Antonio near San Antonio.
The dam stands 20 feet tall and stretches 490 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 19 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 03/08/2018. That was 8 years ago, which is on the longer end for a high-hazard structure.
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 | Bexar |
| Nearest City | San Antonio |
| River/Stream | Tr-san Antonio |
| Coordinates | 29.51026, -98.55841 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 490 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 19 acre-ft |
| Max Storage | 19 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | CITY OF SAN ANTONIO |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 03/08/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX09589 |
| Federal ID | TX09589 |
| More Info | State Dam Safety Program |