National Properties INC is a privately owned dam located in Norman, Oklahoma, along the TR-ROCK CREEK.
Wind
Humidity
Built in 1960, this Earth dam stands at 26 feet high and spans 720 feet in length, with a storage capacity of 110 acre-feet. The dam serves a primarily recreational purpose, with a low hazard potential and a very high risk assessment rating.
Managed by the Oklahoma Water Resources Board, National Properties INC undergoes regular state inspections, permitting, and enforcement to ensure its structural integrity and safety. The dam features a controlled spillway and a single valve outlet gate. While the condition assessment is currently not rated, the dam is considered to pose a very high risk and is subject to ongoing risk management measures. With its unique design and historical significance, National Properties INC serves as an important water resource in the region for both environmental and recreational purposes.
Year Completed |
1960 |
Dam Length |
720 |
Dam Height |
26 |
River Or Stream |
TR-ROCK CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Hydraulic Height |
26 |
Nid Storage |
110 |
Structural Height |
26 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
26 |
| Location | Reservations | Toilets |
|---|---|---|
Lake Thunderbird State Park - North
|
||
Little Sandy Campground
|
||
Lake Thunderbird State Park - South
|
||
Hickory Hill Campground
|
||
Hog Creek Campground
|