Reservoir/River Data

Readings for Thursday, October 16, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,224.3 = 765,300ac-ft (43.9% capacity) 3,223.7 3,221.7 3,232.1
Jeffrey Lake 2,758.6 2,758.1 2,758.6 2,758.1
Johnson Lake 2,616.5 2,617.4 2,608.6 2,617.6
Elwood Reservoir 2,589.2 2,589.7 2,591.2 2,592.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,050 1,020 1,460 1,130
Total Outflows from McConaughy N/A 183 918 597
North Platte at Keystone N/A 183 303 597
Keystone Diversion 0 0 615 0
North Platte at North Platte N/A 500 515 713
South Platte at Roscoe 117 103 31.7 78.0
South Platte at North Platte 186 172 194 104
Supply Canal Diversion 946 796 1,035 590
Platte at Overton 894 688 704 779
Platte at Kearney 1440 141 1110 243
Platte at Grand Island 790 298 1800 225

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.