The Monticello Milldam, located in Jones County, Iowa, is a gravity dam completed in 1914 with a primary purpose of recreation.
Wind
Humidity
The dam stands at a height of 12 feet and spans 1,199 feet along the Maquoketa River. With a storage capacity of 4,186 acre-feet and a surface area of 700 acres, the dam provides opportunities for water-based recreational activities in the area.
Despite being classified as having a low hazard potential, the Monticello Milldam is subject to state regulation and inspection by the Iowa Department of Natural Resources. Its condition assessment is currently listed as "Not Rated", with the last inspection date recorded in September 1989. The dam's risk assessment is moderate, highlighting the importance of ongoing maintenance and monitoring to ensure its structural integrity and safety for the surrounding community.
For water resource and climate enthusiasts, the Monticello Milldam serves as a historical landmark and an important feature in the local ecosystem. Its presence along the Maquoketa River not only provides recreational opportunities but also plays a role in managing water flow and supporting the surrounding wildlife. As efforts continue to maintain and monitor the dam, its significance in water resource management and climate resilience remains a key aspect for enthusiasts to explore and appreciate.
Year Completed |
1914 |
Dam Length |
1199 |
Dam Height |
12 |
River Or Stream |
MAQUOKETA RIVER |
Primary Dam Type |
Gravity |
Surface Area |
700 |
Drainage Area |
657 |
Nid Storage |
4186 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
12 |
Wapsipinicon River Near Anamosa
|
321cfs |
Maquoketa River At Manchester
|
75cfs |
North Fork Maquoketa River Near Fulton
|
245cfs |
Maquoketa River Near Maquoketa
|
569cfs |
Cedar River At Cedar Rapids
|
1030cfs |
Turkey River At Garber
|
388cfs |
| Location | Reservations | Toilets |
|---|---|---|
Pictured Rocks Co Park
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Central Park
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Central County Park Campground
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