Waterloo Dam is an earth dam located in Jackson County, Michigan, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 300 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 Waterloo Dam
The primary purpose of Waterloo Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Carter Blocksma (private). It impounds the Portage River near Waterloo.
The dam stands 16 feet tall and stretches 300 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1963, 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. The most recent inspection on record was 09/20/1992. That was over 34 years ago.
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Location
| State | Michigan |
| County | Jackson |
| Nearest City | Waterloo |
| River/Stream | Portage River |
| Coordinates | 42.35500, -84.14000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 300 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 460 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Carter Blocksma |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/20/1992 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00130 |
| Federal ID | MI00130 |
| More Info | State Dam Safety Program |