Reservoir/River Data

Readings for Thursday, February 12, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.3 = 882,000ac-ft (50.6% capacity) 3,229.9 3,229.3 3,236.6
Jeffrey Lake 2,756.2 2,756.5 2,757.2 2,757.6
Johnson Lake 2,616.0 2,616.4 2,616.1 2,611.3
Elwood Reservoir 2,582.4 2,582.8 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 943 955 923 765
Total Outflows from McConaughy 650 614 274 688
North Platte at Keystone 309 269 10 21
Keystone Diversion 341 345 264 667
North Platte at North Platte 629 927 324 192
South Platte at Roscoe 160 N/A 140 223
South Platte at North Platte 348 342 273 91
Supply Canal Diversion 1,170 1,353 581 1,268
Platte at Overton 1,020 1,200 779 1,490
Platte at Kearney N/A N/A 626 846
Platte at Grand Island N/A N/A 1300 1150

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.