Allendale Dam
Allendale Dam is an earth dam located in Cass County, Missouri, built in 1969. It carries a Low hazard potential classification.
About Allendale Dam
The primary purpose of Allendale Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unknown (private). It impounds the Big Creek Offstream near Greenwood.
The dam stands 10 feet tall, creates a reservoir covering 15 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 40 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 | Cass |
| Nearest City | Greenwood |
| River/Stream | Big Creek Offstream |
| Coordinates | 38.81370, -94.35276 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 40 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNKNOWN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20317 |
| Federal ID | MO20317 |
| More Info | State Dam Safety Program |