Pearson Dam
Pearson Dam is an earth dam located in Medina County, Texas, built in 2005. It carries a High hazard potential classification.
About Pearson Dam
The primary purpose of Pearson Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bexar Medina Atascosa Counties Wcid 1 (local government). It impounds the Off Ch-medina Canal near Lytle.
The dam stands 42 feet tall and stretches 5,300 feet across, creates a reservoir covering 77 acres, has a maximum storage capacity of 1,759 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/17/2023.
At 42 feet, this dam is taller than 89% of dams nationwide.
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 | Medina |
| Nearest City | Lytle |
| River/Stream | Off Ch-medina Canal |
| Coordinates | 29.28076, -98.87494 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 5,300 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 1,759 acre-ft |
| Max Storage | 1,759 acre-ft |
| Normal Storage | 1,518 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 483 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BEXAR MEDINA ATASCOSA COUNTIES WCID 1 |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 10/17/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX07110 |
| Federal ID | TX07110 |
| More Info | State Dam Safety Program |