Reservoir/River Data

Readings for Friday, February 13, 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) 3,230.1 3,229.4 3,236.6
Jeffrey Lake 2,756.8 2,756.0 2,757.2 2,756.8
Johnson Lake 2,616.2 2,616.3 2,616.6 2,613.0
Elwood Reservoir 2,582.3 2,582.7 2,584.0 2,590.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 930 967 977 693
Total Outflows from McConaughy 606 644 497 730
North Platte at Keystone 277 307 240 21
Keystone Diversion 329 337 257 709
North Platte at North Platte 615 691 323 147
South Platte at Roscoe 148 N/A 137 124
South Platte at North Platte 265 496 234 86
Supply Canal Diversion 1,055 1,597 583 755
Platte at Overton 1,040 1,230 771 1,760
Platte at Kearney 942 N/A 1470 241
Platte at Grand Island 1590 N/A 790 829

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.