Koy Dam is an earth dam located in Austin County, Texas, built in 1979. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 751 ft long. 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 Koy Dam
The primary purpose of Koy Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Frank Koy (private). It impounds the Tr-bullinger Creek near Rosenberg.
The dam stands 24 feet tall and stretches 751 feet across, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1979, the structure is 47 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Austin |
| Nearest City | Rosenberg |
| River/Stream | Tr-bullinger Creek |
| Coordinates | 29.81500, -96.12333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 23 ft |
| Dam Length | 751 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 76 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Frank Koy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06586 |
| Federal ID | TX06586 |
| More Info | State Dam Safety Program |