Dam Report

Pittman Anthem Detention Basin Dam dam

Nevada, USA Pittman Wash-Tr Hazard High
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Dam height
37ft
Hazard rating
High
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Pittman Anthem Detention Basin Dam -- None dam
Pittman Anthem Detention Basin Dam None · Pittman Wash-Tr
About this dam

Pittman Anthem Detention Basin Dam

Located in Henderson, Nevada, the Pittman Anthem Detention Basin Dam stands as a critical structure designed for flood risk reduction along the Pittman Wash-TR river system. Owned by the local government, this earth dam boasts a height of 37 feet and a hydraulic height of 30 feet, with a structural height reaching 42 feet. With a storage capacity of 249.2 acre-feet and a surface area of 9.4 acres, this dam plays a vital role in managing the drainage area of 2.5 square miles.

The dam, completed in 2000 and modified in the same year for structural enhancements, features an uncontrolled spillway with a width of 400 feet. Despite its fair condition assessment as of October 2021, the Pittman Anthem Detention Basin Dam holds a high hazard potential and is subject to regular state inspection, regulation, and enforcement by the Nevada Department of Water Resources. With a moderate risk assessment rating, this dam serves as a crucial piece of infrastructure in mitigating flood risks and protecting the surrounding community from potential inundation events.

As part of its emergency preparedness measures, the dam has yet to have an Emergency Action Plan (EAP) prepared, raising concerns over its ability to effectively respond to unforeseen events. However, with a designated inspection frequency of once per year and a designated emergency contact point, efforts to enhance risk management and improve safety protocols are underway. Overall, the Pittman Anthem Detention Basin Dam exemplifies the intersection of water resource management, climate resilience, and public safety in the face of natural disasters.

StateNone
River / streamPittman Wash-Tr
NID IDNV10543
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Dam height37 ft
Dam length800 ft
Max storage249 AF
Surface area9.4 ac
Drainage area2.5 sq mi
Hazard potentialHigh
ConditionFair
Last inspectionWed, 20 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 Pittman Anthem Detention Basin Dam -- inflows here typically show up in storage 24-72 hours later.

Track Pittman Anthem Detention Basin 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 Pittman Anthem Detention Basin Dam

Where does the data for Pittman Anthem Detention Basin 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.