Long Branch 77 dam
Long Branch 77
Long Branch 77, located in Richardson County, Nebraska, is a vital flood risk reduction structure managed by the local government. Built in 1981 by the USDA NRCS, this earth dam stands at a height of 36 feet and spans 758 feet in length along the Long Branch Creek. With a storage capacity of 202 acre-feet, it serves to protect the surrounding area from potential flooding events, boasting a low hazard potential and satisfactory condition assessment.
Managed by the Nebraska Department of Natural Resources, Long Branch 77 is subject to regular state inspections and enforcement to ensure its continued functionality and safety. The dam's primary purpose is flood risk reduction, reflecting its critical role in safeguarding the local community against potential disasters. With a drainage area of 0.8 square miles and a maximum discharge of 312 cubic feet per second, this structure plays a crucial role in managing water resources in the region.
Despite its importance, Long Branch 77 currently does not have an Emergency Action Plan in place, highlighting a potential area for improvement in emergency preparedness. With its strategic location, structural design, and state-regulated oversight, Long Branch 77 stands as a key component in water resource management and climate resilience efforts in Richardson County, Nebraska.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Long Branch 77 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| North Fork Big Nemaha River At Humboldt | 850 cfs | → |
| Little Nemaha River At Auburn | 743 cfs | → |
| Turkey C Nr Seneca | 147 cfs | → |
| Big Nemaha River At Falls City | 1,470 cfs | → |
| Missouri River At Nebraska City | 37,500 cfs | → |
| Tarkio River At Fairfax Mo | 540 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Long Branch 77.
Boat launches
- Kirkmans Cove Lake
- Iron Horse Trail Lake
- Burchard Lake Wma
- Wirth Brothers
- Brownville Riverside City Park
- Peru Boat Ramp
Track Long Branch 77 in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Long Branch 77
Where does the data for Long Branch 77 come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Low hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Long Branch 77.