Dam Report

Newnan Waterworks Lake Dam No. 6 dam

Georgia, USA Sandy Creek Hazard Low
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Dam height
54ft
Hazard rating
Low
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Newnan Waterworks Lake Dam No. 6 -- None dam
Newnan Waterworks Lake Dam No. 6 None · Sandy Creek
About this dam

Newnan Waterworks Lake Dam No. 6

Newnan Waterworks Lake Dam No. 6, located in Coweta, Georgia, serves as a crucial water supply structure for the local government. Built in 1978, this earth dam stands at a height of 53.6 feet and has a storage capacity of 479 acre-feet. Situated on Sandy Creek, this dam supports the primary purpose of water supply and has a surface area of 19.8 acres.

Although the dam has a low hazard potential, it is classified as having a moderate risk level. The last inspection in February 2017 found the condition to be "Not Rated," indicating that further assessment may be needed. With its uncontrolled spillway and outlet gates, the dam poses a moderate risk that requires ongoing monitoring and risk management measures.

Overall, Newnan Waterworks Lake Dam No. 6 plays a vital role in ensuring water supply for the community of Newnan. As water resource and climate enthusiasts, it is essential to keep a close eye on the condition of this structure to maintain its functionality and safety for the future.

StateNone
River / streamSandy Creek
NID IDGA02444
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1978
Dam height54 ft
Dam length830 ft
Max storage479 AF
Surface area19.8 ac
Hazard potentialLow
ConditionNot Rated
Last inspectionTue, 14 Feb 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 Newnan Waterworks Lake Dam No. 6 -- inflows here typically show up in storage 24-72 hours later.

Track Newnan Waterworks Lake Dam No. 6 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 Newnan Waterworks Lake Dam No. 6

Where does the data for Newnan Waterworks Lake Dam No. 6 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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