Three D Dam is an earth dam located in Story County, Iowa, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 295 ft long, taller than 78% 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 Three D Dam
The primary purpose of Three D 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 Three D Dam Corp (private). It impounds the Tr-nest Indian Creek near Maxwell.
The dam stands 34 feet tall and stretches 295 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 209 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 11/16/1964. That was over 61 years ago.
At 34 feet, this dam is taller than 78% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Story |
| Nearest City | Maxwell |
| River/Stream | Tr-nest Indian Creek |
| Coordinates | 42.00170, -93.45150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 295 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 209 acre-ft |
| Max Storage | 209 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Three D Dam Corp |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/16/1964 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01028 |
| Federal ID | IA01028 |
| More Info | State Dam Safety Program |