Cheng Lake Dam
Cheng Lake Dam is an earth dam located in Boone County, Missouri, built in 1971. It carries a Low hazard potential classification.
About Cheng Lake Dam
The primary purpose of Cheng 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 David Cheng (private). It impounds the Tr Little Cedar Creek near Jefferson City.
The dam stands 15 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 190 square miles. Completed in 1971, 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.
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Location
| State | Missouri |
| County | Boone |
| Nearest City | Jefferson City |
| River/Stream | Tr Little Cedar Creek |
| Coordinates | 38.96781, -92.17896 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 190 sq mi |
Ownership & Safety
| Purpose | Debris Control |
| Owner | DAVID CHENG |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31060 |
| Federal ID | MO31060 |
| More Info | State Dam Safety Program |