Lake Northwoods Dam West is a rockfill dam located in Gasconade County, Missouri, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Lake Northwoods Dam West
The primary purpose of Lake Northwoods Dam West is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William H Jaffke (private). It impounds the Tr-second Creek near Bay.
The dam stands 33 feet tall, creates a reservoir covering 4 acres, has a maximum storage capacity of 71 acre-feet, and collects water from a drainage area of 24 square miles. Completed in 1969, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Missouri |
| County | Gasconade |
| Nearest City | Bay |
| River/Stream | Tr-second Creek |
| Coordinates | 38.43134, -91.48307 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 24 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | William H Jaffke |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31257 |
| Federal ID | MO31257 |
| More Info | State Dam Safety Program |