Long Bell Mill Pond Dam is an earth dam located in Lewis County, Washington, built in 1943. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 2,000 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Long Bell Mill Pond Dam
Long Bell Mill Pond Dam is a dam in Lewis, Washington. The dam is owned by Ralpheidsmoe (private). It impounds the Winston Creek.
The dam stands 18 feet tall and stretches 2,000 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1943, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 11/03/2001. That was over 24 years ago.
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Location
| State | Washington |
| County | Lewis |
| River/Stream | Winston Creek |
| Coordinates | 46.47444, -122.48131 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 7 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Ralpheidsmoe |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/03/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00108 |
| Federal ID | WA00108 |
| More Info | State Dam Safety Program |