Dam Report

Gering Valley G Lower dam

Nebraska, USA Tr-Gering Drain Hazard Significant
Today high
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Tonight low
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Dam height
27ft
Hazard rating
Significant
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Gering Valley G Lower -- None dam
Gering Valley G Lower None · Tr-Gering Drain
About this dam

Gering Valley G Lower

Gering Valley G Lower is a vital water resource infrastructure located in Scotts Bluff, Nebraska, designed by the USDA NRCS to manage flood risk in the area. Completed in 1972, this earth dam stands at 30 feet tall and spans 2550 feet, with a storage capacity of 710 acre-feet and a drainage area of 4.2 square miles. The dam plays a crucial role in protecting the surrounding community from potential flooding events, with a maximum discharge capacity of 3350 cubic feet per second.

Maintained by the state regulatory agency NE DNR, Gering Valley G Lower is deemed to have a significant hazard potential but is currently in satisfactory condition as per the last assessment in November 2020. With a surface area of 8.2 acres and a normal storage level of 20.4 feet, this structure ensures the safety and security of the local residents in Gering. Despite its importance, the dam does not fall under the jurisdiction of the USACE, highlighting the collaboration between local and state authorities in managing water resources effectively.

For water resource and climate enthusiasts, Gering Valley G Lower serves as a prime example of successful flood risk reduction infrastructure in Nebraska. Its strategic location on the TR-GERING DRAIN river stream, along with its stone core and soil foundation, showcases the engineering expertise applied by the Natural Resources Conservation Service. As climate change continues to impact water management practices, structures like Gering Valley G Lower play a crucial role in safeguarding communities and ecosystems from the threats of flooding, highlighting the intersection between water resource management and climate resilience in the region.

StateNone
River / streamTr-Gering Drain
NID IDNE00666
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1972
Dam height27 ft
Dam length2,550 ft
Max storage710 AF
Normal storage20 AF
Surface area8.2 ac
Drainage area4.2 sq mi
Hazard potentialSignificant
ConditionSatisfactory
Last inspectionTue, 03 Nov 2020 00:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Gering Valley G Lower -- inflows here typically show up in storage 24-72 hours later.

Track Gering Valley G Lower in the Snoflo app

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FAQ

About Gering Valley G Lower

Where does the data for Gering Valley G Lower 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 Significant 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.

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