Dam Report

Schnarre-Ridder Lake Dam dam

Missouri, USA Tr-Youngs Creek Hazard Significant
Today high
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Tonight low
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Dam height
23ft
Hazard rating
Significant
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Schnarre-Ridder Lake Dam -- None dam
Schnarre-Ridder Lake Dam None · Tr-Youngs Creek
About this dam

Schnarre-Ridder Lake Dam

Schnarre-Ridder Lake Dam, located in Audrain County, Missouri, serves as a vital water resource for irrigation purposes since its completion in 1976. This private dam, standing at a structural height of 23 feet, boasts a maximum storage capacity of 126 acre-feet and a normal storage capacity of 86 acre-feet, making it a significant asset for water management in the region. With a spillway width of 20 feet and a maximum discharge capacity of 95 cubic feet per second, the dam is equipped to handle potential overflow events efficiently.

Despite not being state-regulated, Schnarre-Ridder Lake Dam poses a significant hazard potential and has been assessed as having a moderate risk level. The dam's design, characterized as an earth dam with a stone core and soil foundation, reflects a balance between structural integrity and natural stability. While the dam's condition remains unrated and emergency action plans are yet to be prepared, its strategic location on TR-YOUNGS CREEK and the surrounding drainage area of 51.2 square miles emphasize its importance in water resource management and climate adaptation efforts in the area. Enthusiasts of water resources and climate resilience can appreciate the role of Schnarre-Ridder Lake Dam in sustaining irrigation activities and mitigating potential risks in the region.

StateNone
River / streamTr-Youngs Creek
NID IDMO31499
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1976
Dam height23 ft
Dam length963 ft
Max storage126 AF
Normal storage86 AF
Surface area1.0 ac
Drainage area51.2 sq mi
Hazard potentialSignificant
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 Schnarre-Ridder Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Schnarre-Ridder Lake 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 Schnarre-Ridder Lake Dam

Where does the data for Schnarre-Ridder Lake 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 Significant 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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