Chapelle
Chapelle is an earth dam located in Hyde County, South Dakota, built in 1937. It carries a Low hazard potential classification.
About Chapelle
The primary purpose of Chapelle is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gf&p (state). It impounds the Chapelle Creek.
The dam stands 20 feet tall and stretches 500 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 625 acre-feet, and collects water from a drainage area of 28 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 10/18/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Hyde |
| Nearest City | None |
| River/Stream | Chapelle Creek |
| Coordinates | 44.39799, -99.59768 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 625 acre-ft |
| Max Storage | 625 acre-ft |
| Normal Storage | 263 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 28 sq mi |
| Max Discharge | 2,233 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 10/18/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00027 |
| Federal ID | SD00027 |
| More Info | State Dam Safety Program |