Dam Report

Leonard Morris Dam 4 dam

Georgia, USA Tr- Rough Creek Hazard Significant
Today high
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Tonight low
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Dam height
14ft
Hazard rating
Significant
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Leonard Morris Dam 4 -- None dam
Leonard Morris Dam 4 None · Tr- Rough Creek
About this dam

Leonard Morris Dam 4

Leonard Morris Dam 4, located in Alapaha, Georgia, was completed in 1976 by the Natural Resources Conservation Service. This private earth dam stands at a height of 14 feet and spans a length of 2600 feet, with a storage capacity of 315 acre-feet. The dam's primary purpose is listed as "Other," with a significant hazard potential and moderate risk level.

Situated on Tr-Rough Creek, Leonard Morris Dam 4 is under the jurisdiction of the USDA NRCS and is not regulated by the state. Despite its uncontrolled spillway type, the dam has not undergone a recent condition assessment, and emergency action plans are not available. With a drainage area of 1.87 square miles, this dam plays a crucial role in water resource management in the region, highlighting the importance of monitoring and maintaining its structural integrity in the face of changing climate conditions.

For water resource and climate enthusiasts, Leonard Morris Dam 4 serves as a focal point for understanding the intersection of infrastructure, environmental stewardship, and risk management. With its significant hazard potential and moderate risk assessment, the dam presents a case study in the ongoing challenges of balancing water storage needs with safety considerations in a changing climate. As efforts continue to address the dam's condition and emergency preparedness, its role in protecting communities and ecosystems underscores the vital role of sustainable water resource management in the face of evolving environmental threats.

StateNone
River / streamTr- Rough Creek
NID IDGA05880
Owner typePrivate
Primary purposeOther
Dam typeEarth
Year built1976
Dam height14 ft
Dam length2,600 ft
Max storage315 AF
Normal storage180 AF
Drainage area1.9 sq mi
Hazard potentialSignificant
ConditionNot Available

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 Leonard Morris Dam 4 -- inflows here typically show up in storage 24-72 hours later.

Track Leonard Morris Dam 4 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 Leonard Morris Dam 4

Where does the data for Leonard Morris Dam 4 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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