Nichols Dam is an earth dam located in Adair County, Iowa, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 542 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 Nichols Dam
The primary purpose of Nichols Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Lee Nichols (private). It impounds the Tr-wf Middle Nodaway near Bridgewater.
The dam stands 23 feet tall and stretches 542 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 169 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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.
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Location
| State | Iowa |
| County | Adair |
| Nearest City | Bridgewater |
| River/Stream | Tr-wf Middle Nodaway |
| Coordinates | 41.35700, -94.65140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 542 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 169 acre-ft |
| Max Storage | 169 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Lee Nichols |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01452 |
| Federal ID | IA01452 |
| More Info | State Dam Safety Program |