Dam Report

Highlandtown Lake Dam dam

Ohio, USA Little Yellow Creek Hazard High
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Tonight low
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Dam height
44ft
Hazard rating
High
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Highlandtown Lake Dam -- None dam
Highlandtown Lake Dam None · Little Yellow Creek
About this dam

Highlandtown Lake Dam

Highlandtown Lake Dam, located in Columbiana, Ohio, was completed in 1966 and stands at a height of 44 feet, with a length of 1476 feet. The dam serves primarily for recreational purposes, offering a surface area of 184 acres and a maximum storage capacity of 5710 acre-feet. Situated on the Little Yellow Creek, this earth-type dam is owned and regulated by the Ohio Department of Natural Resources, with inspections conducted regularly to ensure safety and compliance.

Despite its picturesque setting and recreational appeal, Highlandtown Lake Dam is classified as having a high hazard potential with a poor condition assessment. The dam's emergency action plan was last updated in 2016, and it meets regulatory guidelines. However, there are no inundation maps prepared, and risk assessment and management measures are not specified. The dam's inspection frequency is every five years, with the latest assessment conducted in June 2019, highlighting the importance of ongoing monitoring and maintenance to address any potential safety concerns.

In the event of an emergency, it is crucial for authorities and stakeholders to be prepared and informed to mitigate risks and ensure public safety. With its vital role in water resource management and recreation, Highlandtown Lake Dam serves as a reminder of the importance of infrastructure maintenance and proactive measures to safeguard against potential hazards and climate-related impacts in the surrounding area.

StateNone
River / streamLittle Yellow Creek
NID IDOH00635
Owner typeState
Primary purposeRecreation
Dam typeEarth
Year built1966
Dam height44 ft
Dam length1,476 ft
Max storage5,710 AF
Normal storage2,700 AF
Surface area184.0 ac
Drainage area5.8 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionThu, 27 Jun 2019 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 Highlandtown Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Highlandtown Lake 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 Highlandtown Lake Dam

Where does the data for Highlandtown 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 High 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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