Circle Dot Dam
Circle Dot Dam is an earth dam located in Bexar County, Texas. It carries a High hazard potential classification and has a fair condition assessment.
About Circle Dot Dam
Circle Dot Dam is a dam in Bexar, Texas. The dam is owned by Cdr Evans Llc (private). It impounds the Tr-cibolo Creek near San Antonio.
The dam stands 19 feet tall and stretches 2,700 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 157 acre-feet, and collects water from a drainage area of 2 square miles.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/03/2022.
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-cibolo Creek |
| Coordinates | 29.60407, -98.34485 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 14 ft |
| Dam Length | 2,700 ft |
Storage & Hydraulics
| NID Storage | 157 acre-ft |
| Max Storage | 157 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 11,053 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | CDR EVANS LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/03/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX07420 |
| Federal ID | TX07420 |
| More Info | State Dam Safety Program |