Dam Report

Holt Dam dam

Missouri, USA Tr-North Wyaconda Hazard Low
Today high
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Tonight low
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Dam height
26ft
Hazard rating
Low
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Holt Dam -- None dam
Holt Dam None · Tr-North Wyaconda
About this dam

Holt Dam

Holt Dam, located in LaGrange, Missouri, was completed in 1991 and serves primarily for grade stabilization along the TR-North Wyaconda River. This private-owned earth dam stands at a height of 26 feet and spans a length of 309 feet, with a maximum storage capacity of 24 acre-feet. The dam's purpose also includes fire protection, stock, or small fish pond management, making it a multifunctional structure within the region.

Despite being categorized as having a low hazard potential, Holt Dam is considered to have moderate risk due to its location and structural characteristics. The dam features an uncontrolled spillway type with a width of 10 feet and a maximum discharge capacity of 25 cubic feet per second. While the dam's condition assessment remains unrated, its risk management measures are yet to be specified in detail. Although the dam is not under the jurisdiction of state regulatory agencies, its impact on the local water resources and climate highlights the importance of ongoing monitoring and maintenance efforts.

StateNone
River / streamTr-North Wyaconda
NID IDMO50535
Owner typePrivate
Primary purposeGrade Stabilization
Dam typeEarth
Year built1991
Dam height26 ft
Dam length309 ft
Max storage24 AF
Normal storage15 AF
Surface area3.0 ac
Drainage area38.4 sq mi
Hazard potentialLow
ConditionNot Rated

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 Holt Dam -- inflows here typically show up in storage 24-72 hours later.

Track Holt 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 Holt Dam

Where does the data for Holt 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 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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Other water bodies near here

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

Premium feature

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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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