Dam Report

Louisa County Raodgrade Dam 36-73-3 dam

Iowa, USA Tr- Smith Creek Hazard Low
Today high
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Tonight low
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Dam height
40ft
Hazard rating
Low
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Louisa County Raodgrade Dam 36-73-3 -- None dam
Louisa County Raodgrade Dam 36-73-3 None · Tr- Smith Creek
About this dam

Louisa County Raodgrade Dam 36-73-3

Louisa County Roadgrade Dam 36-73-3, located in Oakville, Iowa, is a local government-owned structure designed by Robert Simmering, the county engineer. Completed in 2002, this earth dam stands at a height of 40 feet and spans 530 feet in length, serving the primary purpose of grade stabilization along TR- Smith Creek. With a storage capacity of 150 acre-feet, the dam plays a crucial role in managing water resources in the area.

Managed by the Iowa Department of Natural Resources, Louisa County Roadgrade Dam 36-73-3 is classified as a low-hazard structure with a moderate risk level. This uncontrolled spillway structure, with a surface area of 5.9 acres, helps regulate water flow and mitigate potential flooding risks. While the dam's condition assessment is currently not rated, regular state inspections ensure its operational integrity and safety for the surrounding community.

As a part of the Rock Island District, Louisa County Roadgrade Dam 36-73-3 contributes to the overall water management efforts in the region. With a focus on grade stabilization and water flow regulation, this dam exemplifies the importance of infrastructure in climate resilience and resource sustainability for enthusiasts of water resources and climate management.

StateNone
River / streamTr- Smith Creek
NID IDIA03710
Owner typeLocal Government
Primary purposeGrade Stabilization
Dam typeEarth
Year built2002
Dam height40 ft
Dam length530 ft
Max storage150 AF
Normal storage64 AF
Surface area5.9 ac
Drainage area0.2 sq mi
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 Louisa County Raodgrade Dam 36-73-3 -- inflows here typically show up in storage 24-72 hours later.

Track Louisa County Raodgrade Dam 36-73-3 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 Louisa County Raodgrade Dam 36-73-3

Where does the data for Louisa County Raodgrade Dam 36-73-3 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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