Mill Pond
Mill Pond is an earth dam located in Marin County, California, built in 1956. It carries a Significant hazard potential classification.
About Mill Pond
Mill Pond is a dam in Marin, California. The dam is owned by Doi Nps (federal).
The dam stands 21 feet tall and stretches 280 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 74 acre-feet. Completed in 1956, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 12/06/2022.
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Location
| State | California |
| County | Marin |
| Nearest City | San Fransico, Ca |
| Coordinates | 37.99790, -122.76100 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 280 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 5 acres |
Ownership & Safety
| Owner | DOI NPS |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 12/06/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA10368 |
| Federal ID | CA10368 |
| More Info | State Dam Safety Program |