Sunnymead Ranch
Sunnymead Ranch is an earth dam located in Riverside County, California, built in 1985. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sunnymead Ranch
The primary purpose of Sunnymead Ranch is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Sunnymead Ranch Planned Community Association (private). It impounds the Reche Canyon near Moreno Valley.
The dam stands 41 feet tall and stretches 780 feet across, creates a reservoir covering 35 acres, and has a maximum storage capacity of 400 acre-feet. Completed in 1985, the structure is 41 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 12/09/2024.
At 41 feet, this dam is taller than 88% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The California dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | California |
| County | Riverside |
| Nearest City | Moreno Valley |
| River/Stream | Reche Canyon |
| Coordinates | 33.97080, -117.25350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 780 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Surface Area | 35 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Sunnymead Ranch Planned Community Association |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/09/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA01237 |
| Federal ID | CA01237 |
| More Info | State Dam Safety Program |