Reservoir/River Data

Readings for Wednesday, November 5, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,225.5 = 788,000ac-ft (45.2% capacity) 3,225.0 3,224.1 N/A
Jeffrey Lake 2,758.5 2,758.0 2,758.0 2,758.0
Johnson Lake 2,618.0 2,616.7 2,617.4 2,616.8
Elwood Reservoir 2,587.9 2,588.4 2,590.0 2,588.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,140 1,200 932 1,210
Total Outflows from McConaughy 275 295 195 51
North Platte at Keystone 275 295 195 51
Keystone Diversion 0 0 0 0
North Platte at North Platte 564 632 483 455
South Platte at Roscoe 27.7 44.2 108 17.2
South Platte at North Platte 150 183 152 101
Supply Canal Diversion 903 965 659 585
Platte at Overton 768 797 585 621
Platte at Kearney 1240 500 95.3 680
Platte at Grand Island 336 1510 264 388

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.