Dam Report

Railroad Tank Dam dam

Arizona, USA Brannigan Park Hazard High
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Dam height
37ft
Hazard rating
High
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Railroad Tank Dam -- None dam
Railroad Tank Dam None · Brannigan Park
About this dam

Railroad Tank Dam

Railroad Tank Dam, located in Coconino, Arizona, is a significant water resource structure with a primary purpose of serving as a fire protection, stock, or small fish pond. Built in 1900 by the Atchison, Topeka, and Santa Fe Railway Company, this earth dam stands at a height of 37 feet and spans a length of 1000 feet. With a storage capacity of 250 acre-feet and a normal storage level of 165 acre-feet, the dam plays a crucial role in managing water resources for the surrounding area.

Managed by the Forest Service, Railroad Tank Dam is used for various purposes including flood risk reduction and fish and wildlife habitat enhancement. The dam's spillway, with a width of 10 feet, is designed as uncontrolled, and the structure has a high hazard potential due to its location near Brannigan Park. Despite its age, the condition of the dam is currently not rated, and it undergoes regular inspections to ensure its safety and functionality. With a moderate risk assessment score of 3, Railroad Tank Dam remains an integral part of the water infrastructure in the region and a key player in water resource management and conservation efforts.

As an essential water resource structure in Arizona, Railroad Tank Dam serves as a vital component in the local ecosystem, providing water for firefighting, livestock, and recreational purposes. With its historical significance and critical role in flood control and wildlife conservation, the dam stands as a testament to the importance of sustainable water management practices in the face of climate change and increasing water demands. As climate enthusiasts and water resource advocates, it is imperative to recognize the value of structures like Railroad Tank Dam in preserving and protecting our precious water resources for future generations.

StateNone
River / streamBrannigan Park
NID IDAZ83000
Owner typeFederal
Primary purposeFire Protection, Stock, Or Small Fish Pond
Dam typeEarth
Year built1900
Dam height37 ft
Dam length1,000 ft
Max storage250 AF
Normal storage165 AF
Surface area44.0 ac
Drainage area40.0 sq mi
Hazard potentialHigh
ConditionNot Rated
Last inspectionThu, 10 Sep 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 Railroad Tank Dam -- inflows here typically show up in storage 24-72 hours later.

Track Railroad Tank 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 Railroad Tank Dam

Where does the data for Railroad Tank 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

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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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