Reservoir/River Data

Readings for Saturday, April 25, 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) 3,230.7 3,231.2 3,239.4
Jeffrey Lake 2,756.1 2,756.9 2,757.4 2,757.7
Johnson Lake 2,617.5 2,618.0 2,614.5 2,616.8
Elwood Reservoir 2,593.7 2,591.0 2,581.1 2,594.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 298 413 690 649
Total Outflows from McConaughy 911 853 719 565
North Platte at Keystone 235 156 284 26
Keystone Diversion 676 697 435 539
North Platte at North Platte 356 307 588 313
South Platte at Roscoe 39.6 49.9 40.6 77.9
South Platte at North Platte 131 132 149 207
Supply Canal Diversion 937 1,039 865 751
Platte at Overton 764 816 693 685
Platte at Kearney 44.3 39.6 331 255
Platte at Grand Island 202 264 355 258

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.