Dam Report

Jackson Hole Dam dam

Michigan, USA Tributary To Kalamazoo River Hazard Low
Today high
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Tonight low
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Dam height
9ft
Hazard rating
Low
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Jackson Hole Dam -- None dam
Jackson Hole Dam None · Tributary To Kalamazoo River
About this dam

Jackson Hole Dam

Jackson Hole Dam in Galesburg, Michigan, is a state-regulated earth dam primarily used for recreation. Completed in 1962, this dam stands at 9.1 feet in height with a hydraulic height of 7.2 feet. With a storage capacity of 275 acre-feet, it offers opportunities for water-based activities on its 59-acre surface area. The dam is situated on a tributary to the Kalamazoo River and is under the jurisdiction of the Michigan DEGLE.

Despite its low hazard potential and fair condition assessment, Jackson Hole Dam has a moderate risk rating due to its age and moderate risk management measures. The dam features an uncontrolled spillway and has a maximum discharge capacity of 26 cubic feet per second. Regular inspections, with the last one conducted in October 2019, ensure the safety and integrity of the structure. Additionally, the dam has not been modified in recent years and does not have any associated locks.

Overall, Jackson Hole Dam serves as both a recreational spot and a vital part of Michigan's water resource infrastructure. Its role in providing leisure opportunities while managing water flow underscores the importance of maintaining and monitoring such structures to ensure safety and sustainability in the face of climate challenges.

StateNone
River / streamTributary To Kalamazoo River
NID IDMI00649
Owner typeState
Primary purposeRecreation
Dam typeEarth
Year built1962
Dam height9 ft
Dam length835 ft
Max storage275 AF
Normal storage115 AF
Surface area59.0 ac
Drainage area2.0 sq mi
Hazard potentialLow
ConditionFair
Last inspectionFri, 25 Oct 2019 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 Jackson Hole Dam -- inflows here typically show up in storage 24-72 hours later.

Track Jackson Hole Dam in the Snoflo app

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FAQ

About Jackson Hole Dam

Where does the data for Jackson Hole 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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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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