Dam Report

Racola Tailings Dam dam

Missouri, USA Old Mines Creek Hazard High
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Dam height
78ft
Hazard rating
High
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Racola Tailings Dam -- None dam
Racola Tailings Dam None · Old Mines Creek
About this dam

Racola Tailings Dam

The Racola Tailings Dam, located in Racola, Missouri, was completed in 1953 and stands at a height of 78 feet with a length of 3900 feet. This privately-owned dam serves the primary purpose of containing tailings, with a storage capacity of 29 acre-feet and a surface area of 4 acres. It is regulated by the Dam and Reservoir Safety Program in Missouri and undergoes regular inspections to ensure its structural integrity.

Situated along the Old Mines Creek in Washington County, the Racola Tailings Dam poses a high hazard potential due to its location and the volume of water it can hold. Despite this, its condition assessment in 2008 was deemed satisfactory, with a moderate risk rating of 3. The dam is equipped with uncontrolled spillways and outlet gates, and is subject to regular inspection every two years to mitigate any potential risks associated with its operation.

Water resource and climate enthusiasts may find the Racola Tailings Dam an interesting subject for study, given its historical significance and the environmental implications of its operation. With its unique design features and regulatory oversight, the dam serves as a critical infrastructure for managing tailings and protecting downstream areas from potential flooding. Ongoing risk assessments and management measures ensure the safety and integrity of the dam, highlighting the importance of sustainable water resource management in the face of changing climate conditions.

StateNone
River / streamOld Mines Creek
NID IDMO30475
Owner typePrivate
Primary purposeTailings
Year built1953
Dam height78 ft
Dam length3,900 ft
Max storage29 AF
Normal storage29 AF
Surface area4.0 ac
Drainage area32.0 sq mi
Hazard potentialHigh
ConditionSatisfactory
Last inspectionSat, 11 Mar 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 Racola Tailings Dam -- inflows here typically show up in storage 24-72 hours later.

Track Racola Tailings 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 Racola Tailings Dam

Where does the data for Racola Tailings 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 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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