Dam Report

Gunnison Bend dam

Utah, USA Sevier River Hazard High
Today high
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Tonight low
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Dam height
19ft
Hazard rating
High
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Gunnison Bend -- None dam
Gunnison Bend None · Sevier River
About this dam

Gunnison Bend

Gunnison Bend, a privately owned irrigation dam located in Millard County, Utah, was completed in 1895 along the Sevier River. With a height of 19 feet and a hydraulic height of 16 feet, the dam serves primarily for irrigation purposes, providing vital water resources for agricultural activities in the region. The dam has a storage capacity of 6950 acre-feet, with a normal storage level of 5000 acre-feet, and it covers a drainage area of 7300 acres.

Despite its age, Gunnison Bend is well-regulated and inspected by the Utah Division of Water Rights, ensuring its safe operation and maintenance. The dam has a high hazard potential but is currently assessed to be in fair condition. Emergency action plans and risk management measures are yet to be fully established, highlighting the importance of ongoing monitoring and preparedness for any potential incidents. Overall, Gunnison Bend stands as a crucial infrastructure for water resource management in the area, contributing to the sustainability of agriculture and the local community.

StateNone
River / streamSevier River
NID IDUT00131
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1895
Dam length1,600 ft
Max storage6,950 AF
Normal storage5,000 AF
Drainage area7,300.0 sq mi
Hazard potentialHigh
ConditionFair
Last inspectionWed, 13 May 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 Gunnison Bend -- inflows here typically show up in storage 24-72 hours later.

Track Gunnison Bend in the Snoflo app

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FAQ

About Gunnison Bend

Where does the data for Gunnison Bend 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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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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