Old Town Retention Pond Dam
Old Town Retention Pond Dam is an earth dam located in Collin County, Texas, built in 2021. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Old Town Retention Pond Dam
Old Town Retention Pond Dam is a dam in Collin, Texas. The dam is owned by Town Of Prosper (local government). It impounds the Tributary Of Parvin Branch.
The dam stands 20 feet tall and stretches 310 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 11 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2021, the structure is relatively new.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 05/30/2023.
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 | Collin |
| River/Stream | Tributary Of Parvin Branch |
| Coordinates | 33.23701, -96.79774 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 18 ft |
| Dam Length | 310 ft |
| Year Completed | 2021 (5 years old) |
Storage & Hydraulics
| NID Storage | 11 acre-ft |
| Max Storage | 11 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | TOWN OF PROSPER |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/30/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX09766 |
| Federal ID | TX09766 |
| More Info | State Dam Safety Program |