Sieren Dam is an earth dam located in Keokuk County, Iowa, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 430 ft long. 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 Sieren Dam
The primary purpose of Sieren Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Elmer Sieren (private). It impounds the Tr-german Creek near Coppock.
The dam stands 23 feet tall and stretches 430 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 93 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 02/14/1990. That was over 36 years ago.
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Location
| State | Iowa |
| County | Keokuk |
| Nearest City | Coppock |
| River/Stream | Tr-german Creek |
| Coordinates | 41.35190, -92.09640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 430 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Elmer Sieren |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/14/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01865 |
| Federal ID | IA01865 |
| More Info | State Dam Safety Program |