Pond No. 2
Pond No. 2 is an earth dam located in Sonoma County, California, built in 1952. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Pond No. 2
The primary purpose of Pond No. 2 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 City Of Santa Rosa (local government). It impounds the Offstream.
The dam stands 12 feet tall and stretches 7,920 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, the structure is well into its service life at over 50 years 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/15/2025.
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Location
| State | California |
| County | Sonoma |
| River/Stream | Offstream |
| Coordinates | 38.43800, -122.75500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 7,920 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Santa Rosa |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/15/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00883 |
| Federal ID | CA00883 |
| More Info | State Dam Safety Program |