Dam Report

Jim Crawford Dam dam

South Carolina, USA Tr-Whites Creek Hazard Low
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Tonight low
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Dam height
28ft
Hazard rating
Low
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Jim Crawford Dam -- None dam
Jim Crawford Dam None · Tr-Whites Creek
About this dam

Jim Crawford Dam

Jim Crawford Dam, located in Marlboro, South Carolina, stands as a testament to the importance of water resource management and climate resilience. Completed in 1989, this earth dam with a height of 28 feet serves primarily for recreation purposes, providing a storage capacity of 62.4 acre-feet and a surface area of 6 acres. Situated on TR-WHITES CREEK, the dam is owned privately but regulated by the South Carolina Department of Health and Environmental Control, ensuring that it meets state inspection, permitting, and enforcement standards.

Despite its low hazard potential and fair condition assessment, Jim Crawford Dam plays a crucial role in water conservation and flood control in the region. The dam's design, with a buttress core type and unknown foundations, reflects a commitment to sustainability and safety. With a last inspection date in October 2017 and an inspection frequency of 5 years, the dam continues to be monitored for any potential risks or maintenance needs, demonstrating a proactive approach to dam safety and emergency preparedness.

As a key feature in the Wilmington District and with Congressman Tom Rice as the representative, Jim Crawford Dam serves as a vital asset for the community, offering recreational opportunities while safeguarding against potential water-related risks. Its presence highlights the importance of responsible dam management and the intersection between water resources, climate change, and public safety.

StateNone
River / streamTr-Whites Creek
NID IDSC02412
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built1989
Dam height28 ft
Dam length605 ft
Max storage62 AF
Normal storage50 AF
Surface area6.0 ac
Hazard potentialLow
ConditionFair
Last inspectionMon, 30 Oct 2017 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 Jim Crawford Dam -- inflows here typically show up in storage 24-72 hours later.

Track Jim Crawford 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 Jim Crawford Dam

Where does the data for Jim Crawford 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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