Dam Report

Lowery Dam dam

Iowa, USA Tr- Duck Valley Hazard Low
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Dam height
24ft
Hazard rating
Low
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Lowery Dam -- None dam
Lowery Dam None · Tr- Duck Valley
About this dam

Lowery Dam

Lowery Dam, located in Rathbun Reservoir, Iowa, serves multiple purposes including fire protection, stock, and small fish pond. Built in 1982 by the Soil Conservation Service, this earth dam stands at 24 feet high and spans 400 feet in length. With a storage capacity of 94 acre-feet, the dam plays a crucial role in managing water resources in the area.

The dam is under the jurisdiction of the Iowa Department of Natural Resources and is regulated, inspected, and enforced by the state agency. Despite being classified as having a low hazard potential, the dam is rated as not assessed for condition. With a moderate risk assessment rating of 3, there are no emergency action plans or risk management measures currently in place for Lowery Dam.

Water resource and climate enthusiasts will be intrigued by the unique characteristics of Lowery Dam, its role in the local ecosystem, and the potential risks associated with its operation. The dam's location on the TR-Duck Valley stream, its low hazard potential, and the lack of a detailed condition assessment present an interesting case study for those interested in the intersection of water management, infrastructure, and environmental conservation.

StateNone
River / streamTr- Duck Valley
NID IDIA02214
Owner typePrivate
Primary purposeFire Protection, Stock, Or Small Fish Pond
Dam typeEarth
Year built1982
Dam height24 ft
Dam length400 ft
Max storage94 AF
Normal storage39 AF
Surface area6.4 ac
Drainage area0.3 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 Lowery Dam -- inflows here typically show up in storage 24-72 hours later.

Track Lowery 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 Lowery Dam

Where does the data for Lowery 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 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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Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Lowery Dam.

Premium feature

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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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