Polnac Lake Dam
Polnac Lake Dam is an earth dam located in Bosque County, Texas, built in 1952. It carries a Low hazard potential classification.
About Polnac Lake Dam
The primary purpose of Polnac Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Flat Top Ranch (private). It impounds the Rough Creek.
The dam stands 16 feet tall and stretches 440 feet across, and has a maximum storage capacity of 655 acre-feet. Completed in 1952, 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 05/12/1982. That was over 43 years ago.
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Location
| State | Texas |
| County | Bosque |
| River/Stream | Rough Creek |
| Coordinates | 32.08500, -97.83833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 440 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 655 acre-ft |
| Max Storage | 655 acre-ft |
| Normal Storage | 244 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FLAT TOP RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/12/1982 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03437 |
| Federal ID | TX03437 |
| More Info | State Dam Safety Program |