Dam Report

Enl. Dixon dam

Wyoming, USA Dixon Draw Hazard Low
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Tonight low
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Dam height
35ft
Hazard rating
Low
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Enl. Dixon -- None dam
Enl. Dixon None · Dixon Draw
About this dam

Enl. Dixon

Enl. Dixon, located in Johnson, Wyoming, is a Federal-owned Earth dam completed in 1956 for the primary purpose of serving as a Fish and Wildlife Pond. This structure on Dixon Draw has a dam height of 35 feet and a hydraulic height of 32 feet, with a storage capacity of 314 acre-feet and a normal storage of 163 acre-feet. The dam stretches 600 feet in length and covers a surface area of 16.6 acres, with a drainage area of 4.6 square miles.

Managed by the Omaha District of the US Army Corps of Engineers, Enl. Dixon has a low hazard potential and was last assessed to be in fair condition in May 2018. The dam's spillway is uncontrolled and has a width of 20 feet, with a maximum discharge capability of 4787 cubic feet per second. Despite its moderate risk assessment rating, Enl. Dixon remains vital for fire protection, stock watering, and promoting fish and wildlife habitats in the area.

Enthusiasts interested in water resources and climate dynamics will find Enl. Dixon to be a significant structure in the region, contributing to both ecological preservation and community safety. With its strategic location and multi-functional design, this dam serves as a key asset for maintaining water resources and supporting biodiversity in the Johnson, Wyoming area.

StateNone
River / streamDixon Draw
NID IDWY00512
Owner typeFederal
Primary purposeFish And Wildlife Pond
Dam typeEarth
Year built1956
Dam height35 ft
Dam length600 ft
Max storage314 AF
Normal storage163 AF
Surface area16.6 ac
Drainage area4.6 sq mi
Hazard potentialLow
ConditionFair
Last inspectionTue, 08 May 2018 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 Enl. Dixon -- inflows here typically show up in storage 24-72 hours later.

Track Enl. Dixon 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 Enl. Dixon

Where does the data for Enl. Dixon 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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