Hammel Lake Dam
Hammel Lake Dam is an earth dam located in St. Charles County, Missouri, built in 1969. It carries a Low hazard potential classification.
About Hammel Lake Dam
The primary purpose of Hammel 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 Mr Robert Hall (private). It impounds the Tr Calloway Creek near St Charles.
The dam stands 29 feet tall, creates a reservoir covering 4 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 50 square miles. Completed in 1969, 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 | St. Charles |
| Nearest City | St Charles |
| River/Stream | Tr Calloway Creek |
| Coordinates | 38.68991, -90.81230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 50 sq mi |
Ownership & Safety
| Purpose | Debris Control |
| Owner | MR ROBERT HALL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30607 |
| Federal ID | MO30607 |
| More Info | State Dam Safety Program |