Thompson Mill Dam (In-Channel)
Key Takeaway
Thompson Mill Dam (In-Channel) is classified as low hazard in Indiana. It was completed in 1884 and is 142 years old. Its primary use is other.
Physical Details
| Dam Height | 10 ft (taller than 2.2% in IN) |
| Dam Length | 300 ft |
| Dam Type | Stone |
| Max Storage | 321 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 64 acres |
| Drainage Area | 581 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1884 (142 years old) |
| NID ID | IN03150 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Town of Edinburgh
Local Government
Nearby Dams
Pisgah Lake Dam
Johnson, IN
Low Hazard 31 ftPease Lake Dam
Johnson, IN
Low Hazard 32 ftSaunders Lake Dam
Johnson, IN
Low Hazard 25 ftPuff Lake Dam
Bartholomew, IN
Low Hazard 34 ftStone Arch Lake
Johnson, IN
Low Hazard 19 ftHants Lake Dam
Johnson, IN
Significant Hazard 30 ftLacy & Caress Lake Dam East
Johnson, IN
Low Hazard 17 ftPrince's South Lake Dam (Not Built)
Johnson, IN
Unknown 46 ftFrequently Asked Questions
What is the hazard classification of Thompson Mill Dam (In-Channel)?
Thompson Mill Dam (In-Channel) is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Thompson Mill Dam (In-Channel)?
Thompson Mill Dam (In-Channel) is owned by Town of Edinburgh (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson Mill Dam (In-Channel) built?
Thompson Mill Dam (In-Channel) was completed in 1884, making it 142 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Thompson Mill Dam (In-Channel)?
Thompson Mill Dam (In-Channel) serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Thompson Mill Dam (In-Channel)?
Thompson Mill Dam (In-Channel) has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Thompson Mill Dam (In-Channel) last inspected?
Thompson Mill Dam (In-Channel) was last inspected on March 22, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.