Dam Report

Standing Rock Tribe dam

South Dakota, USA Tr-Oak Creek Hazard Low
Today high
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Tonight low
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Dam height
16ft
Hazard rating
Low
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Standing Rock Tribe -- None dam
Standing Rock Tribe None · Tr-Oak Creek
About this dam

Standing Rock Tribe

Standing Rock Tribe is a tribal government located in Wakpala, South Dakota, overseeing the operation of a crucial water supply dam on the TR-Oak Creek river. The dam, completed in 1938, stands at 16 feet high and serves as a vital source of water for the community, with a storage capacity of 288 acre-feet. Despite its age, the dam has a low hazard potential and is currently rated as not assessed for condition, highlighting its importance for water resource management in the region.

The Standing Rock Tribe dam plays a key role in providing water security for the local community, with a normal storage capacity of 140 acre-feet and a maximum discharge of 4,704 cubic feet per second. While the dam's condition assessment is listed as not rated, its low hazard potential suggests a stable structure that continues to support the water supply needs of the area. With no state jurisdiction or regulation, the tribe manages the dam independently, ensuring the efficient operation and maintenance of this essential water infrastructure.

As climate change continues to impact water resources and availability, the Standing Rock Tribe's management of the TR-Oak Creek dam highlights the importance of sustainable water supply infrastructure for tribal communities. With a focus on water supply as the primary purpose of the dam, the tribe's stewardship of this vital resource underscores the need for proactive conservation and management strategies in the face of evolving environmental challenges.

StateNone
River / streamTr-Oak Creek
NID IDSD00731
Owner typeTribal Government
Primary purposeWater Supply
Dam typeEarth
Year built1938
Dam height16 ft
Dam length520 ft
Max storage288 AF
Normal storage140 AF
Hazard potentialLow
ConditionNot Rated

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 Standing Rock Tribe -- inflows here typically show up in storage 24-72 hours later.

Track Standing Rock Tribe 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 Standing Rock Tribe

Where does the data for Standing Rock Tribe 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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