Dam Report

Ehlers Pond Dam dam

South Carolina, USA Grissom Branch Hazard Significant
Today high
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Tonight low
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Dam height
37ft
Hazard rating
Significant
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Ehlers Pond Dam -- None dam
Ehlers Pond Dam None · Grissom Branch
About this dam

Ehlers Pond Dam

Ehlers Pond Dam, also known as Jewel Ehlers Pond Dam, is a private-owned structure located in Greenville, South Carolina, along the Grissom Branch. Completed in 2015, this Earth dam stands at a height of 37 feet and spans 125 feet in length, with a storage capacity of 92 acre-feet. The primary purpose of Ehlers Pond Dam is for recreational activities, offering a serene environment for water resource and climate enthusiasts to enjoy.

Despite its fair condition assessment and significant hazard potential, the dam is regularly inspected by the South Carolina Department of Health and Environmental Control (DHEC) to ensure public safety. The last inspection, conducted in January 2021, revealed that the dam meets state regulations and is equipped with an uncontrolled spillway. With a moderate risk assessment rating, Ehlers Pond Dam remains a popular destination for outdoor enthusiasts seeking a peaceful retreat in the heart of nature.

Managed by private owners, Ehlers Pond Dam serves as a vital recreational resource in the region, offering a surface area of 5 acres for various water-based activities. With its picturesque setting and well-maintained facilities, this dam provides an ideal location for individuals interested in exploring the intersection of water resources and climate dynamics in a tranquil natural environment.

StateNone
River / streamGrissom Branch
NID IDSC01725
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built2015
Dam height37 ft
Dam length125 ft
Max storage92 AF
Normal storage61 AF
Surface area5.0 ac
Hazard potentialSignificant
ConditionFair
Last inspectionTue, 12 Jan 2021 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 Ehlers Pond Dam -- inflows here typically show up in storage 24-72 hours later.

Track Ehlers Pond 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 Ehlers Pond Dam

Where does the data for Ehlers Pond 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 Significant 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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