Bayport Reservoir Dam
Bayport Reservoir Dam is an earth dam located in Harris County, Texas, built in 1975. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Bayport Reservoir Dam
The primary purpose of Bayport Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Coastal Water Authority (local government). It impounds the Off-channel Near Armand Bayou near Taylor Lake Village.
The dam stands 16 feet tall and stretches 3,380 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 326 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/11/2023.
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Location
| State | Texas |
| County | Harris |
| Nearest City | Taylor Lake Village |
| River/Stream | Off-channel Near Armand Bayou |
| Coordinates | 29.62810, -95.09942 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 3,380 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Normal Storage | 255 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 254 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | COASTAL WATER AUTHORITY |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/11/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX07291 |
| Federal ID | TX07291 |
| More Info | State Dam Safety Program |