Crocker Diversion
Crocker Diversion is a gravity dam located in Merced County, California, built in 1910. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Crocker Diversion
Crocker Diversion is a dam in Merced, California. The dam is owned by Merced Irrigation District (public utility). It impounds the Merced River.
The dam stands 22 feet tall and stretches 725 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1,045 square miles. Completed in 1910, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 03/24/2025.
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Location
| State | California |
| County | Merced |
| River/Stream | Merced River |
| Coordinates | 37.51520, -120.36970 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 725 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 1,045 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Merced Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/24/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00239 |
| Federal ID | CA00239 |
| More Info | State Dam Safety Program |