Split Rock Dam
Split Rock Dam is an earth dam located in Chickasaw County, Iowa, built in 1964. It carries a Low hazard potential classification.
About Split Rock Dam
The primary purpose of Split Rock Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chickasaw County Conservation Board (local government). It impounds the Tr-east Wapsipinicon near Frederika.
The dam stands 25 feet tall and stretches 1,270 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 12/12/1960. That was over 65 years ago.
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Location
| State | Iowa |
| County | Chickasaw |
| Nearest City | Frederika |
| River/Stream | Tr-east Wapsipinicon |
| Coordinates | 42.91050, -92.23850 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,270 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Chickasaw County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/12/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00201 |
| Federal ID | IA00201 |
| More Info | State Dam Safety Program |