Zion Lake Dam
Zion Lake Dam is an earth dam located in Jennings County, Indiana, built in 1957. It carries a Low hazard potential classification and has a poor condition assessment.
About Zion Lake Dam
The primary purpose of Zion Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hugh Harlan (private). It impounds the Unnamed Tributary Graham Creek.
The dam stands 21 feet tall and stretches 560 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 353 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1957, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/15/2020.
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Location
| State | Indiana |
| County | Jennings |
| River/Stream | Unnamed Tributary Graham Creek |
| Coordinates | 38.89244, -85.59088 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 560 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 353 acre-ft |
| Max Storage | 353 acre-ft |
| Normal Storage | 203 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 464 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hugh Harlan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00336 |
| Federal ID | IN00336 |
| More Info | State Dam Safety Program |