Allen Janzen is an earth dam located in Custer County, Oklahoma, built in 1990. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 60 ft long, taller than 59% 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 Allen Janzen
Allen Janzen is a dam in Custer, Oklahoma. The dam is owned by Roderick W Jones (private). It impounds the Deer Creek near Custer City.
The dam stands 27 feet tall and stretches 60 feet across, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1990, the structure is 36 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 07/25/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Custer |
| Nearest City | Custer City |
| River/Stream | Deer Creek |
| Coordinates | 35.73390, -98.84063 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 60 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Normal Storage | 12 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 781 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Roderick W Jones |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/25/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21704 |
| Federal ID | OK21704 |
| More Info | State Dam Safety Program |