Reservoir/River Data

Readings for Monday, January 12, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.4 = 864,100ac-ft (49.6% capacity) 3,228.8 3,227.8 3,236.2
Jeffrey Lake 2,757.9 2,758.4 2,756.3 2,757.9
Johnson Lake 2,616.6 2,616.6 2,616.2 2,607.8
Elwood Reservoir 2,584.0 2,584.4 2,585.7 2,592.0

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 906 962 1,080 1,300
Total Outflows from McConaughy 275 346 240 758
North Platte at Keystone 10 13 18 40
Keystone Diversion 265 333 222 718
North Platte at North Platte 324 349 361 197
South Platte at Roscoe 143 172 177 96.3
South Platte at North Platte 273 278 299 116
Supply Canal Diversion 0 1,017 620 1,260
Platte at Overton 779 878 677 1,300
Platte at Kearney N/A 967 644 750
Platte at Grand Island N/A N/A 569

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.