Dam Report

Thurlow Lake Dam dam

North Carolina, USA Crane Ck-Os Hazard High
Today high
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Tonight low
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Dam height
38ft
Hazard rating
High
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Thurlow Lake Dam -- None dam
Thurlow Lake Dam None · Crane Ck-Os
About this dam

Thurlow Lake Dam

Thurlow Lake Dam, located in Vass, North Carolina, was completed in 1956 and serves primarily for irrigation purposes. This private-owned earth dam stands at a hydraulic height of 35 feet and a structural height of 38 feet, with a length of 1500 feet. With a normal storage capacity of 396 acre-feet and a maximum storage of 420 acre-feet, Thurlow Lake Dam covers a surface area of 15 acres along Crane Creek.

Despite its crucial role in irrigation, Thurlow Lake Dam presents a high hazard potential and a poor condition assessment as of November 2020. The dam is regulated, permitted, inspected, and enforced by the North Carolina Department of Environmental Quality's Dam Safety Program. With a history of modifications undisclosed, Thurlow Lake Dam remains a significant structure in the Wilmington District, posing a potential risk that requires careful monitoring and management to ensure the safety of the surrounding community.

For water resource and climate enthusiasts, Thurlow Lake Dam stands as a key feature in the landscape of Moore County, North Carolina, with its strategic location along Crane Creek. Its history, purpose, and condition underscore the importance of maintaining and ensuring the structural integrity of such essential water management infrastructures in the face of changing environmental conditions and increasing water demands. As efforts continue to address the dam's poor condition and high hazard potential, stakeholders and regulators work together to safeguard the community and the environment from the potential risks associated with Thurlow Lake Dam.

StateNone
River / streamCrane Ck-Os
NID IDNC00084
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1956
Dam length1,500 ft
Max storage420 AF
Normal storage396 AF
Surface area15.0 ac
Hazard potentialHigh
ConditionPoor
Last inspectionTue, 10 Nov 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 Thurlow Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Thurlow Lake Dam in the Snoflo app

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FAQ

About Thurlow Lake Dam

Where does the data for Thurlow 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.

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Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Thurlow Lake Dam.

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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