Chambers Graf Dam dam
Chambers Graf Dam
Chambers Graf Dam, located in Gosper, Nebraska, is a crucial structure designed by the USDA NRCS to provide flood risk reduction and other water resource management functions. Completed in 1959, this earth dam stands at a height of 26 feet and has a length of 250 feet, with a storage capacity of 180 acre-feet. The dam is situated on the TR-ELK CREEK, in the Omaha District, and is regulated by the NE DNR.
Despite its low hazard potential, Chambers Graf Dam has been assessed to be in poor condition as of April 2019. The dam's inspection frequency is set at every 5 years, with the last inspection date being in April 2019. While the dam's primary purpose is listed as 'Other', its main construction material is earth with a stone core, resting on a soil foundation. The dam is owned and operated by the local government, with no federal agency involvement in its funding or construction.
Enthusiasts of water resources and climate in the region should take note of Chambers Graf Dam for its role in flood risk reduction and water management in the area. The dam's location and design, along with its state-regulated status, make it a key infrastructure for maintaining water security and mitigating potential hazards in the region. Despite its current poor condition assessment, ongoing inspections and potential risk management measures will be crucial for ensuring the long-term effectiveness and safety of Chambers Graf Dam.
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 Chambers Graf Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Republican River At Cambridge | 60 cfs | → |
| Beaver Creek Near Beaver City | 1 cfs | → |
| Sappa Creek Near Stamford | 5 cfs | → |
| Sappa C Nr Lyle | 3 cfs | → |
| Republican River Near Orleans | 54 cfs | → |
| Platte River Near Overton | 171 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Chambers Graf Dam.
Track Chambers Graf Dam 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 Chambers Graf Dam
Where does the data for Chambers Graf Dam 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 Chambers Graf Dam.