Maffitt Reservoir Dam
High HazardSatisfactory ConditionEmergency Action Plan: No
Location
| State | Iowa |
| County | Dallas |
| Nearest City | WEST DES MOINES |
| River/Stream | TR-RACCOON RIVER |
| Coordinates | 41.51720, -93.79210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 79 ft |
| Dam Height | 79 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 6,700 acre-ft |
| Max Storage | 6,700 acre-ft |
| Normal Storage | 5,200 acre-ft |
| Surface Area | 230 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Des Moines Water Works |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/31/2023 |
| Emergency Action Plan | No |