R and G Lake Dam is an earth dam located in Grayson County, Texas, built in 1912. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 937 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About R and G Lake Dam
The primary purpose of R and G Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. It impounds the Tr-shawnee Creek.
The dam stands 30 feet tall and stretches 937 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 272 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1912, the structure is over a century 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 12/01/2021.
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 | Grayson |
| River/Stream | Tr-shawnee Creek |
| Coordinates | 33.79159, -96.61050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 937 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 272 acre-ft |
| Max Storage | 272 acre-ft |
| Normal Storage | 199 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,348 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Not Listed |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 12/01/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02058 |
| Federal ID | TX02058 |
| More Info | State Dam Safety Program |