Grindstone-lost-muddy Watershed Dam B- 21
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | Missouri |
| County | DeKalb |
| Nearest City | PATTONSBURG |
| River/Stream | TR-WEST FORK CREEK |
| Coordinates | 39.84256, -94.37435 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 700 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 316 acre-ft |
| Max Storage | 316 acre-ft |
| Normal Storage | 166 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 236 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | GRNSN-LS-MD WRSD SBDISTR |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Yes |