Reservoir/River Data

Readings for Wednesday, June 3, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,224.4 = 767,200ac-ft (44% capacity) 3,226.6 3,229.0 3,235.5
Jeffrey Lake 2,758.5 2,758.4 2,757.7 2,758.3
Johnson Lake 2,618.2 2,618.6 2,617.9 2,618.0
Elwood Reservoir 2,600.8 2,600.9 2,596.4 2,598.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 115 119 253 883
Total Outflows from McConaughy 3,260 3,070 614 1,944
North Platte at Keystone 1,430 1,270 195 194
Keystone Diversion 1,830 1,800 419 1,750
North Platte at North Platte 1,450 1,190 304 1,570
South Platte at Roscoe 19.7 30.4 38.9 120
South Platte at North Platte 136 168 153 386
Supply Canal Diversion 2,296 2,274 1,131 -2,162
Platte at Overton 2,150 2,130 757 2,050
Platte at Kearney 1760 1400 27.7 2370
Platte at Grand Island 1600 1430 138 2430

Charts

McConaughyInflows.png
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.