Dam Report

Sebastian Martin Site 6 Dam dam

New Mexico, USA Estaca Arroyo Hazard High
Today high
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Tonight low
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Dam height
80ft
Hazard rating
High
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Sebastian Martin Site 6 Dam -- None dam
Sebastian Martin Site 6 Dam None · Estaca Arroyo
About this dam

Sebastian Martin Site 6 Dam

Sebastian Martin Site 6 Dam, also known as Estaca Arroyo Retard Dam, is a crucial structure in Rio Arriba, New Mexico, designed by the USDA NRCS to reduce flood risks along the Estaca Arroyo river. Completed in 1973, this earth dam stands at a height of 93 feet and stretches 550 feet in length, providing a storage capacity of 1022 acre-feet and covering a surface area of 45 acres. With a maximum discharge capacity of 1439 cubic feet per second, this dam plays a vital role in managing water flow and mitigating flood risks in the region.

Despite its importance, the dam is currently assessed to be in poor condition with a high hazard potential, prompting a moderate risk assessment rating. The Office of the State Engineer in New Mexico regulates and inspects the dam periodically to ensure its structural integrity and operational efficiency. With a spillway width of 200 feet and uncontrolled spillway and outlet gates, the dam poses significant challenges in emergency response and risk management. As water resource and climate enthusiasts, understanding the complexities and vulnerabilities of dams like Sebastian Martin Site 6 is essential for promoting sustainable water management practices and enhancing the resilience of our communities in the face of changing environmental conditions.

StateNone
River / streamEstaca Arroyo
NID IDNM00234
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1973
Dam height80 ft
Dam length550 ft
Max storage1,022 AF
Surface area45.0 ac
Drainage area2.0 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionWed, 29 Mar 2017 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 Sebastian Martin Site 6 Dam -- inflows here typically show up in storage 24-72 hours later.

Track Sebastian Martin Site 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 Sebastian Martin Site 6 Dam

Where does the data for Sebastian Martin Site 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.

Premium feature

Favorites and alerts are part of Snoflo Premium. Save reservoirs, set storage thresholds, and get push notifications when conditions cross.

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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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