Dam Report

Marsh And Company No. 7 dam

Wyoming, USA Muddy Creek Hazard Low
Today high
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Tonight low
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Dam height
25ft
Hazard rating
Low
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Marsh And Company No. 7 -- None dam
Marsh And Company No. 7 None · Muddy Creek
About this dam

Marsh And Company No. 7

Marsh and Company No. 7 is a historic earth dam located in Carbon, Wyoming, along Muddy Creek. Built in 1917 for irrigation purposes, this private dam stands at 25 feet high and spans 390 feet in length. With a storage capacity of 182 acre-feet, it plays a crucial role in providing water for agricultural activities in the region.

Despite its age, Marsh and Company No. 7 has been regularly inspected and maintained by the state regulatory agency, SEO. However, the dam is currently assessed to be in poor condition, with a low hazard potential. While it has an uncontrolled spillway with a width of 50 feet, the dam's overall risk assessment is moderate. Emergency preparedness measures for this structure are not clearly defined, highlighting the need for proactive risk management strategies.

As water resources and climate enthusiasts, understanding the significance of structures like Marsh and Company No. 7 is pivotal in ensuring sustainable water management practices. While this dam continues to support irrigation needs in the area, ongoing maintenance and risk assessment efforts are essential to safeguard its functionality and prevent potential hazards. By staying informed and advocating for responsible water infrastructure management, we can contribute to a more resilient and secure water future for communities reliant on structures like Marsh and Company No. 7.

StateNone
River / streamMuddy Creek
NID IDWY01770
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1917
Dam height25 ft
Dam length390 ft
Max storage182 AF
Normal storage152 AF
Surface area6.0 ac
Hazard potentialLow
ConditionPoor
Last inspectionTue, 05 Oct 2021 12:00:00 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 Marsh And Company No. 7 -- inflows here typically show up in storage 24-72 hours later.

Track Marsh And Company No. 7 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 Marsh And Company No. 7

Where does the data for Marsh And Company No. 7 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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