National Properties INC is a privately owned dam located in Norman, Oklahoma, along the TR-ROCK CREEK river.
Wind
Humidity
Built in 1960, this Earth type dam stands at a height of 16 feet and has a length of 740 feet. With a storage capacity of 100 acre-feet and a surface area of 13 acres, this dam serves a variety of purposes, including flood control and water supply management.
Managed by the Oklahoma Water Resources Board, National Properties INC has a low hazard potential and is rated as "Not Rated" in terms of its condition assessment. Despite its age, the dam's risk assessment is considered very high, indicating the need for continued monitoring and potential improvements. The dam features a controlled spillway and one outlet valve, with a maximum discharge capacity of 1100 cubic feet per second.
Though the dam has not been modified in recent years, it undergoes inspections every five years to ensure its structural integrity and safety. The surrounding area, which includes Cleveland County, Oklahoma, is governed by state regulations and enforcement to maintain the dam's functionality and reduce potential risks to the community. National Properties INC remains a vital piece of infrastructure for water resource management in the region, serving as a key component in the overall climate resilience strategy for the area.
Year Completed |
1960 |
Dam Length |
740 |
Dam Height |
16 |
River Or Stream |
TR-ROCK CREEK |
Primary Dam Type |
Earth |
Surface Area |
13 |
Hydraulic Height |
16 |
Nid Storage |
100 |
Structural Height |
16 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
16 |
| Location | Reservations | Toilets |
|---|---|---|
Lake Thunderbird State Park - North
|
||
Little Sandy Campground
|
||
Lake Thunderbird State Park - South
|
||
Hickory Hill Campground
|
||
Hog Creek Campground
|