Dam Report

Timber Ridge Lake Dam dam

North Carolina, USA Poppaw Creek Hazard High
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Tonight low
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Dam height
22ft
Hazard rating
High
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Timber Ridge Lake Dam -- None dam
Timber Ridge Lake Dam None · Poppaw Creek
About this dam

Timber Ridge Lake Dam

Timber Ridge Lake Dam, located in Saxapahaw, North Carolina, is a private dam regulated by the state's Dam Safety Program. Built in 1955, this earth dam stands at a structural height of 22 feet and has a hydraulic height of 20 feet, serving primarily for recreational purposes. With a storage capacity of 288 acre-feet, the dam holds back Poppaw Creek and covers a surface area of 30 acres.

Despite its fair condition assessment in 2020, Timber Ridge Lake Dam is classified as having a high hazard potential, emphasizing the need for regular inspections and maintenance. The dam has a drainage area of 966 square miles and a maximum discharge rate of 165 cubic feet per second. While no spillway type or width is specified, the dam's last inspection in 2020 revealed that it meets state regulatory standards, with enforcement and permitting processes in place.

Water resource and climate enthusiasts will find Timber Ridge Lake Dam to be a vital structure in the region, providing both recreational opportunities and crucial water storage functions. As a privately owned earth dam with state regulation, its maintenance and upkeep are essential to ensure the safety of the surrounding community and the integrity of the dam itself. The dam's location in Alamance County, with its rich natural surroundings, highlights the importance of responsible water management in preserving the local ecosystem and supporting sustainable development.

StateNone
River / streamPoppaw Creek
NID IDNC00742
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built1955
Dam length975 ft
Max storage288 AF
Normal storage240 AF
Surface area30.0 ac
Drainage area966.0 sq mi
Hazard potentialHigh
ConditionFair
Last inspectionWed, 19 Feb 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 Timber Ridge Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Timber Ridge 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 Timber Ridge Lake Dam

Where does the data for Timber Ridge 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 High 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.