Bagley is a concrete dam located in Whatcom County, Washington, built in 1927. It carries a High hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 64 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Bagley
Bagley is a dam in Whatcom, Washington. The dam is owned by Usda Fs (federal). It impounds the Bagley Creek near Glacier.
The dam stands 16 feet tall and stretches 64 feet across, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.
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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 11/07/2019.
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 Washington 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 | Washington |
| County | Whatcom |
| Nearest City | Glacier |
| River/Stream | Bagley Creek |
| Coordinates | 48.86161, -121.68376 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Length | 64 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 40 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 11/07/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WA01719 |
| Federal ID | WA01719 |
| More Info | State Dam Safety Program |