Holland Marsh Dam
Holland Marsh Dam is an earth dam located in Grundy County, Iowa, built in 1997. It carries a Low hazard potential classification.
About Holland Marsh Dam
The primary purpose of Holland Marsh Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Grundy County Conservation Board (local government). It impounds the Tr- Holland Creek near Holland.
The dam stands 11 feet tall and stretches 930 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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.
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Location
| State | Iowa |
| County | Grundy |
| Nearest City | Holland |
| River/Stream | Tr- Holland Creek |
| Coordinates | 42.40060, -92.81010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 930 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Grundy County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03126 |
| Federal ID | IA03126 |
| More Info | State Dam Safety Program |