Avant City is an earth dam located in Osage County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 1,110 ft long, taller than 86% 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 Avant City
The primary purpose of Avant City 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 Avant Util Author (private). It impounds the Tr-candy Creek near Avant.
The dam stands 40 feet tall and stretches 1,110 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 1,600 acre-feet, and collects water from a drainage area of 640 square miles. Completed in 1970, 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 08/10/2006. That was over 20 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Oklahoma |
| County | Osage |
| Nearest City | Avant |
| River/Stream | Tr-candy Creek |
| Coordinates | 36.48768, -96.02877 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,110 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,600 acre-ft |
| Max Storage | 1,600 acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 640 sq mi |
| Max Discharge | 10,800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Avant Util Author |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/10/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK02571 |
| Federal ID | OK02571 |
| More Info | State Dam Safety Program |