Dam Report

La Plata New City Dam dam

Missouri, USA Trtitus Creek Hazard Low
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Dam height
43ft
Hazard rating
Low
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La Plata New City Dam -- None dam
La Plata New City Dam None · Trtitus Creek
About this dam

La Plata New City Dam

The La Plata New City Dam, also known as the La Plata City Reservoir East Dam, is a local government-owned structure located in Macon, Missouri. Completed in 1980, this earth-type dam stands at a height of 43 feet and spans a length of 1000 feet, serving primarily for recreation purposes and water supply. With a maximum storage capacity of 929 acre-feet and a normal storage capacity of 667 acre-feet, the dam sits on Titus Creek and covers a surface area of 81 acres.

Managed by the Dam and Reservoir Safety Program, the La Plata New City Dam has a low hazard potential and is deemed to be in satisfactory condition as of its last assessment in 2007. Inspected every 5 years, the dam features an uncontrolled spillway with a width of 80 feet and is equipped with valve outlet gates. With a moderate risk assessment rating, the dam remains a vital resource for the surrounding Sue City community, providing essential water supply and recreational opportunities along Titus Creek.

In the event of an emergency, the dam's emergency action plan is up-to-date and meets guidelines, ensuring that proper measures are in place to address any potential risks. Overall, the La Plata New City Dam stands as a key infrastructure piece in Macon County, Missouri, providing a balance of water resource management and recreational activities for residents and visitors alike.

StateNone
River / streamTrtitus Creek
NID IDMO12126
Owner typeLocal Government
Primary purposeRecreation
Dam typeEarth
Year built1980
Dam height43 ft
Dam length1,000 ft
Max storage929 AF
Normal storage667 AF
Surface area81.0 ac
Drainage area800.0 sq mi
Hazard potentialLow
ConditionSatisfactory
Last inspectionThu, 25 Jan 2018 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 La Plata New City Dam -- inflows here typically show up in storage 24-72 hours later.

Track La Plata New City 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 La Plata New City Dam

Where does the data for La Plata New City 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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