S-121
S-121 is an other dam located in Miami-Dade County, Florida. It carries a Significant hazard potential classification.
About S-121
The primary purpose of S-121 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Sfwmd (local government). It impounds the Cutler Drain Canal (c-100c) near Cutler Ridge.
The dam stands 13 feet tall, creates a reservoir covering 94 acres, and has a maximum storage capacity of 1,000 acre-feet.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 12/11/2023.
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Location
| State | Florida |
| County | Miami-Dade |
| Nearest City | Cutler Ridge |
| River/Stream | Cutler Drain Canal (c-100c) |
| Coordinates | 25.68000, -80.36000 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 13 ft |
| Dam Height | 11 ft |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 846 acre-ft |
| Surface Area | 94 acres |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | SFWMD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 12/11/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00392 |
| Federal ID | FL00392 |
| More Info | State Dam Safety Program |