Dam Report

Indian Lake-South Dam dam

Arkansas, USA Deans Branch Hazard Low
Today high
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Tonight low
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Dam height
32ft
Hazard rating
Low
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Indian  Lake-South Dam -- None dam
Indian Lake-South Dam None · Deans Branch
About this dam

Indian Lake-South Dam

Indian Lake-South Dam, located in Lonoke, Arkansas, is a private-owned earth dam completed in 1942 for the primary purpose of recreation. With a height of 32 feet and a length of 370 feet, the dam impounds the waters of Deans Branch, creating a surface area of 22.8 acres and a storage capacity of 280 acre-feet.

Despite being state-regulated and inspected, the dam's hazard potential is classified as low, with a condition assessment of "Not Rated." The last inspection took place in September 2010, and there is no documented emergency action plan (EAP) in place. While the dam does not have any associated structures or outlet gates, it is deemed to meet regulatory guidelines and poses minimal risk to the surrounding area.

Overall, Indian Lake-South Dam stands as a recreational landmark in the Ward community, offering a serene environment for water enthusiasts. With its picturesque setting and historical significance dating back to the 1940s, the dam continues to provide a peaceful retreat for visitors seeking solace amidst the natural beauty of Lonoke County.

StateNone
River / streamDeans Branch
NID IDAR00177
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built1942
Dam height32 ft
Dam length370 ft
Max storage280 AF
Normal storage230 AF
Surface area22.8 ac
Drainage area0.2 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionMon, 06 Sep 2010 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 Indian Lake-South Dam -- inflows here typically show up in storage 24-72 hours later.

Track Indian Lake-South 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 Indian Lake-South Dam

Where does the data for Indian Lake-South 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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