Sweetwater Main
High HazardFair ConditionEmergency Action Plan: Yes
Location
| County | San Diego |
| Nearest City | San Diego/Chula Vista |
| River/Stream | Sweetwater River |
| Coordinates | 32.69210, -117.00850 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 112 ft |
| Dam Height | 112 ft |
| Dam Length | 700 ft |
| Year Completed | 1888 (138 years old) |
Storage & Hydraulics
| NID Storage | 27,689 acre-ft |
| Max Storage | 27,689 acre-ft |
| Surface Area | 936 acres |
| Drainage Area | 182 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Sweetwater Authority |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 02/05/2025 |
| Emergency Action Plan | Yes |