Rancho Cielito
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Bernardino |
| Nearest City | Chino Hills |
| River/Stream | Tr Chino Creek |
| Coordinates | 33.97680, -117.70890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Rolling Ridge Ranch |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/10/2025 |
| Emergency Action Plan | Yes |