Dam 20-9-4w
Dam 20-9-4w is an earth dam located in York County, Nebraska, built in 1994. It carries a Low hazard potential classification and has a fair condition assessment.
About Dam 20-9-4w
The primary purpose of Dam 20-9-4w is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Teri Schelkopf (private). It impounds the Tr-w Fk Big Blue River near Mccool Junction.
The dam stands 32 feet tall and stretches 228 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 42 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1994, the structure is 32 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/28/2021.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Nebraska |
| County | York |
| Nearest City | Mccool Junction |
| River/Stream | Tr-w Fk Big Blue River |
| Coordinates | 40.73584, -97.79574 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 27 ft |
| Dam Length | 228 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 557 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Teri Schelkopf |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02391 |
| Federal ID | NE02391 |
| More Info | State Dam Safety Program |