Reservoir/River Data

Readings for Thursday, November 12, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,205.0 = 440,900ac-ft (25.3% capacity) 3,204.3 3,202.4 N/A
Jeffrey Lake 2,758.1 2,757.8 2,758.0 2,757.9
Johnson Lake 2,617.8 2,617.4 2,617.9 2,616.7
Elwood Reservoir 2,581.3 2,581.7 2,583.1 2,587.4

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 711 697 449 1,180
Total Outflows from McConaughy 0 0 0 215
North Platte at Keystone 0 0 0 215
Keystone Diversion 0 0 0 0
North Platte at North Platte 310 330 333 522
South Platte at Roscoe 943 17.9 49.2 32.8
South Platte at North Platte 711 697 449 1,180
Supply Canal Diversion 577 611 586 816
Platte at Overton 8.8 8.8 8.8 8.8
Platte at Kearney 440 152 88.1 943
Platte at Grand Island 450 907 907 368

Charts

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McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
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Lake McConaughy Historical
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Johnson Lake One Month
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Johnson Lake Historical
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Elwood Reservoir One Year
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Elwood Reservoir Historical
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Jeffrey Lake One Month
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Jeffrey Lake Historical

Flows and elevations are provisional. Readings from measuring equipment may be affected during icing conditions.

Colors of Water Tool

Lake McConaughy Weekly Temperature Readings

 Data is acquired from Nebraska DNR and USGS web services and CNPPID historical readings.