Dam Report

Kjerstad Dam No.3 dam

South Dakota, USA Tr.Bad River Hazard High
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Dam height
15ft
Hazard rating
High
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Kjerstad Dam No.3 -- None dam
Kjerstad Dam No.3 None · Tr.Bad River
About this dam

Kjerstad Dam No.3

Kjerstad Dam No.3 is a privately owned earth dam located in Pennington, South Dakota, along the TR.BAD River. Built in 1943, this dam stands at a height of 15 feet and has a length of 230 feet, providing a storage capacity of 54 acre-feet. It is regulated by the South Dakota Department of Agriculture and Natural Resources and undergoes regular inspections to ensure its structural integrity and safety.

With a high hazard potential and fair condition assessment as of October 2017, Kjerstad Dam No.3 plays a crucial role in water resource management in the area. The dam's primary purpose and associated structures are not specified, but its importance in flood control and water supply for surrounding areas is evident. Despite its age, the dam continues to serve its intended functions effectively, with a maximum discharge capacity of 600 cubic feet per second.

As a part of the St. Paul District under the US Army Corps of Engineers, Kjerstad Dam No.3 represents a blend of historical significance and modern-day water management practices. Its presence along the TR.BAD River highlights the intersection of human engineering and natural forces, making it a noteworthy site for water resource and climate enthusiasts to study and appreciate.

StateNone
River / streamTr.Bad River
NID IDSD02141
Owner typePrivate
Dam typeEarth
Year built1943
Dam height15 ft
Dam length230 ft
Max storage54 AF
Normal storage26 AF
Drainage area1.0 sq mi
Hazard potentialHigh
ConditionFair
Last inspectionWed, 25 Oct 2017 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 Kjerstad Dam No.3 -- inflows here typically show up in storage 24-72 hours later.

Track Kjerstad Dam No.3 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 Kjerstad Dam No.3

Where does the data for Kjerstad Dam No.3 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 High 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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