Reservoir/River Data

Readings for Tuesday, April 29, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,239.4 = 1,073,600ac-ft (61.6% capacity) 3,239.3 3,238.5 3,241.7
Jeffrey Lake 2,758.3 2,757.5 2,757.2 2,757.7
Johnson Lake 2,617.9 2,616.4 2,615.8 2,617.9
Elwood Reservoir 2,595.5 2,593.7 2,587.6 2,589.3

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 666 656 871 1,100
Total Outflows from McConaughy 516 496 493 356
North Platte at Keystone 24 26 19 31
Keystone Diversion 492 470 474 325
North Platte at North Platte 321 332 366 349
South Platte at Roscoe 69.6 80.1 95.9 218
South Platte at North Platte 137 165 138 141
Supply Canal Diversion 585 593 644 1,279
Platte at Overton 652 595 852 985
Platte at Kearney 299 336 423 1090
Platte at Grand Island 167 202 458 1730

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.

Lake McConaughy Weekly Temperature Readings

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