Dam Report

Ehrke Dam dam

Nebraska, USA Tr-Sappa Creek Hazard Low
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Tonight low
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Dam height
19ft
Hazard rating
Low
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Ehrke Dam -- None dam
Ehrke Dam None · Tr-Sappa Creek
About this dam

Ehrke Dam

Ehrke Dam, located in Stamford, Nebraska, serves multiple purposes including fire protection, stock watering, and a small fish pond. Constructed in 1955, this earth dam stands at a height of 19 feet and has a length of 281 feet. With a storage capacity of 105.5 acre-feet, the dam primarily regulates the flow of TR-Sappa Creek to provide water for various uses in the area.

Managed by a private owner, Ehrke Dam is regulated by the Nebraska Department of Natural Resources (DNR) and undergoes regular inspections to ensure its structural integrity. With a low hazard potential and a satisfactory condition assessment as of August 2018, the dam plays a crucial role in water resource management within Furnas County, Nebraska. Its location within the NWS26T1R21W area and proximity to the Congressional District 03 further highlight its significance in the region.

Water resource and climate enthusiasts will appreciate Ehrke Dam as a key feature in the local landscape, contributing to both water supply and environmental sustainability. The dam's ability to store water for various purposes, in addition to its role in regulating flow and preventing flooding, underscores its importance in maintaining a balance between human needs and ecological concerns. As a privately owned structure with state regulation and oversight, Ehrke Dam exemplifies the collaborative efforts needed to manage water resources effectively in the face of changing climatic conditions.

StateNone
River / streamTr-Sappa Creek
NID IDNE01321
Owner typePrivate
Primary purposeFire Protection, Stock, Or Small Fish Pond
Dam typeEarth
Year built1955
Dam height19 ft
Dam length281 ft
Max storage106 AF
Normal storage45 AF
Surface area12.1 ac
Drainage area1.4 sq mi
Hazard potentialLow
ConditionSatisfactory
Last inspectionTue, 28 Aug 2018 12:00:00 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 Ehrke Dam -- inflows here typically show up in storage 24-72 hours later.

Track Ehrke 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.

FAQ

About Ehrke Dam

Where does the data for Ehrke 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.

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Snoflo-tracked reservoirs and dams within driving distance of Ehrke Dam.

Premium feature

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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