Dam Report

Bonsal Company Lake Dam dam

North Carolina, USA Mccoy Creek Hazard Low
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Dam height
16ft
Hazard rating
Low
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Bonsal Company Lake Dam -- None dam
Bonsal Company Lake Dam None · Mccoy Creek
About this dam

Bonsal Company Lake Dam

Bonsal Company Lake Dam, located in Cheraw, SC, is a privately owned structure regulated by the North Carolina Dam Safety Program. Completed in 1955, this earth dam stands at a hydraulic height of 14 feet and serves primarily for water supply purposes, with a storage capacity of 60 acre-feet and a normal storage level of 51 acre-feet. The dam spans a length of 960 feet and is situated along McCoy Creek, covering a surface area of 12 acres within a drainage area of 64 square miles.

Despite being classified as having a low hazard potential, Bonsal Company Lake Dam received a fair condition assessment during its last inspection in August 2020. The dam is subject to regular state regulation, inspection, and enforcement to ensure its structural integrity and safety. With a history of serving as a vital water resource for the region, this dam plays a crucial role in providing water supply to the surrounding area while maintaining a manageable risk level for potential hazards.

As water resource and climate enthusiasts, the details of Bonsal Company Lake Dam offer insight into the intricate balance between water management, infrastructure maintenance, and environmental stewardship. With its location in Anson County, North Carolina, this dam stands as a testament to the intersection of human ingenuity and natural resource utilization in the face of changing climate dynamics. By understanding the history, purpose, and current condition of structures like Bonsal Company Lake Dam, enthusiasts can appreciate the complex interplay between water resources, infrastructure resilience, and regulatory oversight in safeguarding our communities for generations to come.

StateNone
River / streamMccoy Creek
NID IDNC00493
Owner typePrivate
Primary purposeWater Supply
Dam typeEarth
Year built1955
Dam length960 ft
Max storage60 AF
Normal storage51 AF
Surface area12.0 ac
Drainage area64.0 sq mi
Hazard potentialLow
ConditionFair
Last inspectionThu, 27 Aug 2020 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 Bonsal Company Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Bonsal Company 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 Bonsal Company Lake Dam

Where does the data for Bonsal Company 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 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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