Reservoir/River Data

Readings for Tuesday, February 3, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.9 = 874,000ac-ft (50.1% capacity) 3,229.7 3,228.7 3,236.5
Jeffrey Lake 2,758.3 2,756.7 2,757.0 2,758.6
Johnson Lake 2,616.7 2,615.2 2,616.4 2,608.4
Elwood Reservoir 2,582.8 2,583.2 2,584.5 2,590.6

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 981 1,290 989 1,450
Total Outflows from McConaughy 589 396 343 620
North Platte at Keystone 239 111 13 36
Keystone Diversion 350 285 330 584
North Platte at North Platte 917 1,150 352 314
South Platte at Roscoe N/A N/A 169 291
South Platte at North Platte 255 645 331 135
Supply Canal Diversion 1,037 652 732 1,469
Platte at Overton 1,490 1,060 846 1,230
Platte at Kearney N/A N/A 1910 611
Platte at Grand Island N/A N/A 1320 1400

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
McConaughySince1941.png
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.