Dam Report

Scs-Sallisaw Creek Site -33 dam

Oklahoma, USA Hog Creek Hazard High
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Dam height
58ft
Hazard rating
High
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Scs-Sallisaw Creek Site -33 -- None dam
Scs-Sallisaw Creek Site -33 None · Hog Creek
About this dam

Scs-Sallisaw Creek Site -33

SCS-Sallisaw Creek Site -33, located in Sequoyah, Oklahoma, is a state-regulated dam designed by USDA NRCS with the primary purpose of flood risk reduction. Built in 1966, this earth dam stands at a height of 58 feet and spans a length of 1700 feet, providing a storage capacity of 1280 acre-feet. The dam is situated on Hog Creek and falls under the jurisdiction of the OWRB, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

With a hazard potential rated as high and a risk assessment indicating a very high level of risk, it is crucial for water resource and climate enthusiasts to monitor the condition and management of SCS-Sallisaw Creek Site -33. Although the dam's condition assessment is currently not rated, the presence of a controlled spillway and a slide gate for outlet control indicates a level of preparedness for managing potential emergencies. It is important to stay updated on the dam's maintenance and any modifications that may impact its performance in mitigating flood risks in the region.

As part of the Tulsa District, SCS-Sallisaw Creek Site -33 stands as a critical infrastructure for flood control in the area, with a capacity to handle a maximum discharge of 1835 cubic feet per second. Despite its age, the dam continues to serve its purpose effectively, but ongoing monitoring and adherence to regulatory guidelines are essential to ensure its longevity and effectiveness in protecting against flooding events. For those passionate about water resource management and climate resilience, understanding the intricacies of dams like SCS-Sallisaw Creek Site -33 is vital for promoting sustainable water infrastructure and safeguarding communities from potential hazards.

StateNone
River / streamHog Creek
NID IDOK11057
Owner typeState
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1966
Dam height58 ft
Dam length1,700 ft
Max storage1,280 AF
Normal storage56 AF
Surface area44.0 ac
Drainage area2.0 sq mi
Hazard potentialHigh
ConditionNot Rated
Last inspectionSat, 01 Jan 2011 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 Scs-Sallisaw Creek Site -33 -- inflows here typically show up in storage 24-72 hours later.

Track Scs-Sallisaw Creek Site -33 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 Scs-Sallisaw Creek Site -33

Where does the data for Scs-Sallisaw Creek Site -33 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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