Dam Report

Shetland Pony Lagoon Dam dam

Nebraska, USA Tr-South Loup River Hazard Low
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Dam height
39ft
Hazard rating
Low
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Shetland Pony Lagoon Dam -- None dam
Shetland Pony Lagoon Dam None · Tr-South Loup River
About this dam

Shetland Pony Lagoon Dam

Shetland Pony Lagoon Dam, located in Custer, Nebraska, is a privately owned structure that plays a crucial role in water resource management in the area. Completed in 2015, this earth dam has a height of 39 feet and a storage capacity of 47.9 acre-feet, serving as a vital water storage facility for the region. Situated along the TR-South Loup River, this dam is regulated by the Nebraska Department of Natural Resources and is subject to regular inspections to ensure its structural integrity.

With a low hazard potential and a satisfactory condition assessment, Shetland Pony Lagoon Dam is deemed to be in good standing for its intended purpose. The dam's primary function is classified as 'Other,' indicating its versatile role in water management activities. Its design, incorporating stone core and soil foundation, contributes to its stability and resilience against hydraulic pressures. Additionally, the dam's location within Congressional District 03 of Nebraska highlights its significance in the local water infrastructure.

Furthermore, the dam's strategic position and storage capacity make it an essential component in mitigating the impact of climate change on water resources in the region. As climate variability continues to pose challenges to water availability and quality, structures like Shetland Pony Lagoon Dam play a crucial role in ensuring sustainable water management practices. With its efficient design and adherence to regulatory standards, this dam stands as a testament to the crucial intersection between water resources and climate resilience in Nebraska.

StateNone
River / streamTr-South Loup River
NID IDNE03494
Owner typePrivate
Primary purposeOther
Dam typeEarth
Year built2015
Dam height39 ft
Dam length770 ft
Max storage48 AF
Normal storage43 AF
Surface area3.2 ac
Drainage area0.0 sq mi
Hazard potentialLow
ConditionSatisfactory
Last inspectionMon, 03 Apr 2017 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 Shetland Pony Lagoon Dam -- inflows here typically show up in storage 24-72 hours later.

Track Shetland Pony Lagoon Dam in the Snoflo app

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FAQ

About Shetland Pony Lagoon Dam

Where does the data for Shetland Pony Lagoon 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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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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