Dam Report

Spruce Pine Water Supply #2 dam

North Carolina, USA Graveyard Creek Hazard High
Today high
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Tonight low
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Dam height
28ft
Hazard rating
High
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Spruce Pine Water Supply #2 -- None dam
Spruce Pine Water Supply #2 None · Graveyard Creek
About this dam

Spruce Pine Water Supply #2

Spruce Pine Water Supply #2, located in Mitchell County, North Carolina, is a concrete gravity dam built in 1973 with a primary purpose of water supply. The dam is situated on Graveyard Creek and has a hydraulic height of 26 feet and a structural height of 28 feet. It has a normal storage capacity of 18 acre-feet and a maximum storage of 22 acre-feet, serving as a critical water resource for the region.

Despite its age, the dam is reported to be in satisfactory condition as of the last inspection in June 2011. However, it is classified as having a high hazard potential, highlighting the importance of regular monitoring and maintenance to ensure its continued safety and functionality. The dam does not fall under state jurisdiction for regulation, permitting, or enforcement, but it is subject to state inspections, indicating a commitment to ensuring its structural integrity.

Spruce Pine Water Supply #2 plays a vital role in providing water to the local community and is a key infrastructure asset in the region. Its location on Graveyard Creek and its storage capacity contribute to water resource management and supply reliability. With its satisfactory condition and historical significance, the dam serves as a testament to the importance of maintaining and preserving critical water infrastructure for future generations.

StateNone
River / streamGraveyard Creek
NID IDNC03494
Owner typeLocal Government
Primary purposeWater Supply
Dam typeConcrete
Year built1973
Dam length175 ft
Max storage22 AF
Normal storage18 AF
Surface area2.0 ac
Drainage area460.0 sq mi
Hazard potentialHigh
ConditionSatisfactory
Last inspectionThu, 30 Jun 2011 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 Spruce Pine Water Supply #2 -- inflows here typically show up in storage 24-72 hours later.

Track Spruce Pine Water Supply #2 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 Spruce Pine Water Supply #2

Where does the data for Spruce Pine Water Supply #2 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.

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