San Bernard Reservoir No 1 Levee
San Bernard Reservoir No 1 Levee is an earth dam located in Brazoria County, Texas, built in 1957. It carries a High hazard potential classification and has a fair condition assessment.
About San Bernard Reservoir No 1 Levee
San Bernard Reservoir No 1 Levee is a dam in Brazoria, Texas. The dam is owned by Phillips 66 Company (private). It impounds the Off Ch-san Bernard River.
The dam stands 27 feet tall and stretches 13,800 feet across, creates a reservoir covering 286 acres, has a maximum storage capacity of 3,375 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, the structure is well into its service life at over 50 years 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 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 12/09/2019.
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 | Brazoria |
| River/Stream | Off Ch-san Bernard River |
| Coordinates | 29.11090, -95.70647 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 13,800 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 3,375 acre-ft |
| Max Storage | 3,375 acre-ft |
| Normal Storage | 3,160 acre-ft |
| Surface Area | 286 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | PHILLIPS 66 COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 12/09/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01746 |
| Federal ID | TX01746 |
| More Info | State Dam Safety Program |