Dam Report

Thomas Lakes (Upper) Dam dam

Kentucky, USA North Severn Creek Hazard Low
Today high
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Tonight low
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Dam height
29ft
Hazard rating
Low
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Thomas Lakes (Upper) Dam -- None dam
Thomas Lakes (Upper) Dam None · North Severn Creek
About this dam

Thomas Lakes (Upper) Dam

Thomas Lakes (Upper) Dam, located in Owen County, Kentucky, was completed in 1940 and serves as a vital water supply source for the surrounding area. The dam, standing at a height of 29 feet and stretching 230 feet in length, holds a maximum storage capacity of 65 acre-feet and a normal storage capacity of 42.4 acre-feet. The dam primarily regulates the flow of North Severn Creek and covers a surface area of 4.8 acres, with a drainage area of 0.12 square miles.

Despite its importance for water supply, the dam is currently in poor condition as of the last inspection in October 2016. With a low hazard potential but a moderate risk assessment score of 3, there is a need for maintenance and potential upgrades to ensure the safety and functionality of the structure. The dam is regulated by the Kentucky Division of Water and undergoes regular inspections, but its condition assessment highlights the need for attention to prevent any potential risks or failures in the future. The dam's emergency action plan and risk management measures may need to be revisited to address the identified deficiencies and ensure preparedness for any unforeseen events.

StateNone
River / streamNorth Severn Creek
NID IDKY00057
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1940
Dam height29 ft
Dam length230 ft
Max storage65 AF
Normal storage42 AF
Surface area4.8 ac
Drainage area0.1 sq mi
Hazard potentialLow
ConditionPoor
Last inspectionTue, 25 Oct 2016 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 Thomas Lakes (Upper) Dam -- inflows here typically show up in storage 24-72 hours later.

Track Thomas Lakes (Upper) 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 Thomas Lakes (Upper) Dam

Where does the data for Thomas Lakes (Upper) 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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