Ockinga Dam is an earth dam located in Adams County, Nebraska, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 475 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 Ockinga Dam
Ockinga Dam is a dam in Adams, Nebraska. The dam is owned by Douglas W Ockinga (private). It impounds the Tr-little Blue River.
The dam stands 20 feet tall and stretches 475 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 57 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/28/2022.
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Location
| State | Nebraska |
| County | Adams |
| Nearest City | None |
| River/Stream | Tr-little Blue River |
| Coordinates | 40.42682, -98.31353 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 475 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Douglas W Ockinga |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/28/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE06958 |
| Federal ID | NE06958 |
| More Info | State Dam Safety Program |