Mathews #1 is an earth dam located in Jones County, South Dakota, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 232 ft long, taller than 59% of U.S. dams with a recorded height. 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 Mathews #1
The primary purpose of Mathews #1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Mathews Bros. (private). It impounds the Trib. Bad River.
The dam stands 27 feet tall and stretches 232 feet across, and has a maximum storage capacity of 29 acre-feet. Completed in 1959, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Jones |
| Nearest City | None |
| River/Stream | Trib. Bad River |
| Coordinates | 44.16666, -100.54999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 232 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 29 acre-ft |
| Max Storage | 29 acre-ft |
| Normal Storage | 21 acre-ft |
| Max Discharge | 819 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mathews Bros. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01620 |
| Federal ID | SD01620 |
| More Info | State Dam Safety Program |