Reservoir/River Data

Readings for Tuesday, December 30, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,228.5 = 846,200ac-ft (48.5% capacity) 3,228.1 3,227.1 3,236.1
Jeffrey Lake 2,757.0 2,757.5 2,757.3 2,756.9
Johnson Lake 2,616.7 2,616.6 2,618.1 2,607.7
Elwood Reservoir 2,584.7 2,585.0 2,586.5 2,592.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 901 1,030 1,030 963
Total Outflows from McConaughy 259 231 635 297
North Platte at Keystone 31 15 32 44
Keystone Diversion 228 216 603 253
North Platte at North Platte 559 347 389 378
South Platte at Roscoe 188 178 151 137
South Platte at North Platte 268 295 169 232
Supply Canal Diversion 648 897 629 622
Platte at Overton 1,240 781 740 758
Platte at Kearney 1050 1130 N/A 444
Platte at Grand Island N/A 752 N/A 708

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.