Trinity Bay Salt Water Barrier is a concrete dam located in Chambers County, Texas, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 1,050 ft long, taller than 86% 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 concrete gravity section and the water level is illustrative.
About Trinity Bay Salt Water Barrier
Trinity Bay Salt Water Barrier is a dam in Chambers, Texas. The dam is owned by Trinity Bay Conservation District (local government). It impounds the Elm Bayou.
The dam stands 40 feet tall and stretches 1,050 feet across, and has a maximum storage capacity of 500 acre-feet. Completed in 1971, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 12/17/1976. That was over 49 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Chambers |
| River/Stream | Elm Bayou |
| Coordinates | 29.62760, -94.41265 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 40 ft |
| Dam Height | 13 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 220 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Trinity Bay Conservation District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/17/1976 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06870 |
| Federal ID | TX06870 |
| More Info | State Dam Safety Program |