Iowa Noname97 is an earth dam located in Johnson County, Iowa, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 400 ft long, taller than 72% 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 embankment section and the water level is illustrative.
About Iowa Noname97
The primary purpose of Iowa Noname97 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Johnson County Conservation Board (local government). It impounds the Tr- Kent Park Lake near Tiffin.
The dam stands 31 feet tall and stretches 400 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 | Johnson |
| Nearest City | Tiffin |
| River/Stream | Tr- Kent Park Lake |
| Coordinates | 41.73000, -91.72000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 400 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Johnson County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02653 |
| Federal ID | IA02653 |
| More Info | State Dam Safety Program |