Maupin Lake Dam is an earth dam located in Johnson County, Missouri, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall. 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 Maupin Lake Dam
The primary purpose of Maupin Lake Dam is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by D W Maupin (private). It impounds the Tr-s Fk Blackwater River near Pittsville.
The dam stands 19 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 102 acre-feet, and collects water from a drainage area of 145 square miles. Completed in 1976, the structure is 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.
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Location
| State | Missouri |
| County | Johnson |
| Nearest City | Pittsville |
| River/Stream | Tr-s Fk Blackwater River |
| Coordinates | 38.86919, -94.04971 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 102 acre-ft |
| Max Storage | 102 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 145 sq mi |
Ownership & Safety
| Purpose | Debris Control |
| Owner | D W Maupin |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20433 |
| Federal ID | MO20433 |
| More Info | State Dam Safety Program |