Reservoir/River Data

Readings for Friday, April 24, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.4 = 884,000ac-ft (50.7% capacity) 3,230.7 3,231.2 3,239.4
Jeffrey Lake 2,757.4 2,756.1 2,757.2 2,758.0
Johnson Lake 2,617.4 2,618.0 2,614.2 2,616.7
Elwood Reservoir 2,593.7 2,590.5 2,581.1 2,594.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 334 400 644 664
Total Outflows from McConaughy 906 855 720 558
North Platte at Keystone 233 158 282 27
Keystone Diversion 673 697 438 531
North Platte at North Platte 298 275 567 301
South Platte at Roscoe 42.7 55.9 42.8 77.9
South Platte at North Platte 128 125 146 205
Supply Canal Diversion 712 917 870 586
Platte at Overton 625 718 712 589
Platte at Kearney 33.2 41.9 381 246
Platte at Grand Island 212 264 404 202

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
JohnsonOneMonth.png
Johnson Lake One Month
Johnson5Years.png
Johnson Lake Historical
ElwoodWaterYear.png
Elwood Reservoir One Year
Elwood5Years.png
Elwood Reservoir Historical
JeffreyOneMonth.png
Jeffrey Lake One Month
Jeffrey5Years.png
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.