Dam Report

Volga Lake Dam dam

Iowa, USA Tr-Volga River Hazard Significant
Today high
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Tonight low
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Dam height
45ft
Hazard rating
Significant
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Volga Lake Dam -- None dam
Volga Lake Dam None · Tr-Volga River
About this dam

Volga Lake Dam

Volga Lake Dam, located in Fayette County, Iowa, is a state-regulated structure with a primary purpose of recreation. Built in 1980 by BRICE, PETRIDES, ASSOC. INC, this earth dam stands at a height of 45 feet and spans 1710 feet in length. The dam has a storage capacity of 3808 acre-feet, with a normal storage level of 1670 acre-feet, and covers a surface area of 135 acres.

The dam's spillway is uncontrolled with a width of 12 feet, and it is situated on the Volga River. Despite being classified as having a significant hazard potential, the dam is in satisfactory condition and undergoes inspections every 5 years. The risk assessment for Volga Lake Dam is moderate, with a DSAC not assigned as of yet. With its picturesque location and importance for recreation, Volga Lake Dam serves as a vital water resource and a key landmark in the region for water and climate enthusiasts to explore and appreciate.

StateNone
River / streamTr-Volga River
NID IDIA02029
Owner typeState
Primary purposeRecreation
Dam typeEarth
Year built1980
Dam height45 ft
Dam length1,710 ft
Max storage3,808 AF
Normal storage1,670 AF
Surface area135.0 ac
Drainage area9.0 sq mi
Hazard potentialSignificant
ConditionSatisfactory
Last inspectionWed, 13 Jun 2018 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 Volga Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Volga Lake Dam in the Snoflo app

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FAQ

About Volga Lake Dam

Where does the data for Volga 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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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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