Reservoir/River Data

Readings for Wednesday, January 14, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.6 = 868,000ac-ft (49.8% capacity) 3,228.9 3,228.0 3,236.2
Jeffrey Lake 2,757.9 2,757.5 2,756.8 2,757.7
Johnson Lake 2,616.7 2,616.1 2,616.3 2,608.4
Elwood Reservoir 2,583.9 2,584.3 2,585.5 2,591.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 955 883 1,070 1,270
Total Outflows from McConaughy 495 351 18 766
North Platte at Keystone 236 14 18 42
Keystone Diversion 259 337 0 724
North Platte at North Platte 326 344 360 185
South Platte at Roscoe 137 169 184 110
South Platte at North Platte 234 272 306 119
Supply Canal Diversion 584 677 593 1,120
Platte at Overton 771 810 1,500 1,260
Platte at Kearney N/A 1740 1100 479
Platte at Grand Island N/A 771 N/A 553

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.