Holdenville Waterworks is an earth dam located in Hughes County, Oklahoma, built in 1912. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 355 ft long, taller than 55% of U.S. dams with a recorded height. 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 Holdenville Waterworks
The primary purpose of Holdenville Waterworks is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Holdenville (local government). It impounds the Tr Little River near Calvin.
The dam stands 26 feet tall and stretches 355 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 430 acre-feet. Completed in 1912, the structure is over a century 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 12/04/2003. That was over 22 years ago.
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Location
| State | Oklahoma |
| County | Hughes |
| Nearest City | Calvin |
| River/Stream | Tr Little River |
| Coordinates | 35.04727, -96.38071 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 355 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 430 acre-ft |
| Max Storage | 430 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 20 acres |
| Max Discharge | 7,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Holdenville |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/04/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK10488 |
| Federal ID | OK10488 |
| More Info | State Dam Safety Program |