Ortman Dam is an earth dam located in Gonzales County, Texas, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 566 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 Ortman Dam
The primary purpose of Ortman Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Chris Ortman (private). It impounds the Tr-sandies Creek.
The dam stands 23 feet tall and stretches 566 feet across, has a maximum storage capacity of 147 acre-feet, and collects water from a drainage area of 107 square miles. Completed in 1991, the structure is 35 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.
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Location
| State | Texas |
| County | Gonzales |
| River/Stream | Tr-sandies Creek |
| Coordinates | 29.27083, -97.58333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 22 ft |
| Dam Length | 566 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 147 acre-ft |
| Max Storage | 147 acre-ft |
| Drainage Area | 107 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Chris Ortman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06678 |
| Federal ID | TX06678 |
| More Info | State Dam Safety Program |