Dam Report

Upper Gila Valley Site No. 6 Dam dam

New Mexico, USA Maldonado Canyon Hazard High
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Dam height
32ft
Hazard rating
High
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Upper Gila Valley Site No. 6 Dam -- None dam
Upper Gila Valley Site No. 6 Dam None · Maldonado Canyon
About this dam

Upper Gila Valley Site No. 6 Dam

Upper Gila Valley Site No. 6 Dam, also known as the Maldonado Canyon Floodwater Retarding Structure, is a crucial flood risk reduction infrastructure located in Grant County, New Mexico. Built in 1963 by the USDA NRCS, this earth dam stands at a height of 32.2 feet and has a hydraulic height of 31.7 feet, providing vital protection against debris and flood risks along the Maldonado Canyon. With a storage capacity of 203 acre-feet and a maximum discharge of 1825 cubic feet per second, this dam plays a significant role in managing water resources in the region.

Managed by the local government and regulated by the Office of the State Engineer, Upper Gila Valley Site No. 6 Dam has faced challenges in terms of its condition assessment, with a current rating of poor and a high hazard potential. Despite these concerns, the dam continues to serve its primary purpose effectively, demonstrating its importance in mitigating flood risks and protecting the surrounding communities. The dam's location in an unincorporated community northwest of the structure underscores its critical role in safeguarding the area from potential water-related disasters.

With a history of state inspection, regulation, and enforcement, Upper Gila Valley Site No. 6 Dam remains a key asset in water resource management in New Mexico. As a focal point for flood risk reduction efforts, this dam contributes to the overall resilience of the region in the face of changing climate patterns. While facing challenges in its condition assessment and maintenance, the dam's strategic significance in protecting the local community underscores the need for continued monitoring and investment in its upkeep to ensure its long-term effectiveness in managing water resources and climate-related risks.

StateNone
River / streamMaldonado Canyon
NID IDNM00253
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1963
Dam height32 ft
Dam length730 ft
Max storage203 AF
Surface area17.0 ac
Drainage area2.2 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionThu, 24 May 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 Upper Gila Valley Site No. 6 Dam -- inflows here typically show up in storage 24-72 hours later.

Track Upper Gila Valley Site No. 6 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 Upper Gila Valley Site No. 6 Dam

Where does the data for Upper Gila Valley Site No. 6 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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