Dam Report

Kellys Slough Upper Pool 1 Dam dam

North Dakota, USA Kellys Slough Drainage Hazard Low
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Dam height
11ft
Hazard rating
Low
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Kellys Slough Upper Pool 1 Dam  -- None dam
Kellys Slough Upper Pool 1 Dam None · Kellys Slough Drainage
About this dam

Kellys Slough Upper Pool 1 Dam

Kellys Slough Upper Pool 1 Dam, located in Grand Forks, North Dakota, is a federal-owned structure designed by Ducks Unlimited for the primary purpose of serving as a Fish and Wildlife Pond. Completed in 1995, this Earth-type dam stands at a height of 11 feet with a hydraulic height of 7 feet and a structural height of 11 feet. It has a length of 6600 feet and a maximum storage capacity of 3450 acre-feet, with a normal storage capacity of 1228 acre-feet. The dam, situated in the Kellys Slough Drainage, is regulated by the North Dakota State Water Commission and is subject to state permitting, inspection, and enforcement.

With a low hazard potential and fair condition assessment as of August 2013, the Kellys Slough Upper Pool 1 Dam plays a crucial role in managing water resources and supporting wildlife in the region. The dam covers a surface area of 403 acres and has a drainage area of 20 square miles, highlighting its significance in maintaining the ecosystem's balance. Managed by the Fish and Wildlife Service, the dam's operations, inspections, and regulatory aspects are overseen by the same federal agency, ensuring the safety and sustainability of the structure for the benefit of the environment and local communities.

As a key component of the Kellys Slough Drainage, the Upper Pool 1 Dam serves as a vital water management infrastructure with controlled outlet gates and a spillway width of 63 feet. With Congressman Kelly Armstrong representing the area, the dam's presence underscores the importance of preserving water resources and protecting wildlife habitats in North Dakota. Overall, the Kellys Slough Upper Pool 1 Dam stands as a testament to collaborative efforts between federal agencies, designers, and regulators in safeguarding the environment and supporting the region's ecological well-being.

StateNone
River / streamKellys Slough Drainage
NID IDND00613
Owner typeFederal
Primary purposeFish And Wildlife Pond
Dam typeEarth
Year built1995
Dam height11 ft
Dam length6,600 ft
Max storage3,450 AF
Normal storage1,228 AF
Surface area403.0 ac
Drainage area20.0 sq mi
Hazard potentialLow
ConditionFair
Last inspectionWed, 21 Aug 2013 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 Kellys Slough Upper Pool 1 Dam -- inflows here typically show up in storage 24-72 hours later.

Track Kellys Slough Upper Pool 1 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 Kellys Slough Upper Pool 1 Dam

Where does the data for Kellys Slough Upper Pool 1 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 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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