Twin Beach Dam is an earth dam located in Clay County, Indiana, built in 1956. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 625 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 Twin Beach Dam
The primary purpose of Twin Beach Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by John Heaton (private). It impounds the Otter Creek.
The dam stands 22 feet tall and stretches 625 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/17/2016. That was over 10 years ago.
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Location
| State | Indiana |
| County | Clay |
| River/Stream | Otter Creek |
| Coordinates | 39.51724, -87.20922 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 625 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 192 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | John Heaton |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/17/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00288 |
| Federal ID | IN00288 |
| More Info | State Dam Safety Program |