Reservoir/River Data

Readings for Tuesday, October 14, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,224.1 = 761,500ac-ft (43.7% capacity) 3,223.8 3,221.7 3,232.0
Jeffrey Lake 2,758.5 2,757.9 2,758.1 2,757.9
Johnson Lake 2,617.5 2,617.6 2,611.1 2,617.5
Elwood Reservoir 2,589.3 2,589.9 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 993 980 1,300 1,160
Total Outflows from McConaughy N/A 182 1,084 473
North Platte at Keystone N/A 182 297 473
Keystone Diversion 0 0 787 0
North Platte at North Platte N/A 467 453 512
South Platte at Roscoe 108 101 20.8 75.6
South Platte at North Platte 158 157 185 99
Supply Canal Diversion 907 812 905 589
Platte at Overton 851 692 648 644
Platte at Kearney 815 73.8 1690 283
Platte at Grand Island 323 336 1030 162

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.