Boyll Lake Dam is an earth dam located in Vigo County, Indiana, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 310 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 Boyll Lake Dam
The primary purpose of Boyll Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Warren Boyll (private). It impounds the Tr-prairie Creek near Prairie Creek.
The dam stands 19 feet tall and stretches 310 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 69 acre-feet. Completed in 1972, 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 01/16/1984. That was over 42 years ago.
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Location
| State | Indiana |
| County | Vigo |
| Nearest City | Prairie Creek |
| River/Stream | Tr-prairie Creek |
| Coordinates | 39.31478, -87.40627 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 310 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 1,117 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Warren Boyll |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/16/1984 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00732 |
| Federal ID | IN00732 |
| More Info | State Dam Safety Program |