Reservoir/River Data

Readings for Sunday, November 23, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,226.9 = 815,000ac-ft (46.8% capacity) 3,226.5 3,224.6 3,234.6
Jeffrey Lake 2,758.5 2,757.8 2,758.1 2,757.9
Johnson Lake 2,616.4 2,614.7 2,618.0 2,617.4
Elwood Reservoir 2,586.8 2,587.2 2,588.8 2,587.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,130 1,170 1,160 1,160
Total Outflows from McConaughy 382 214 327 960
North Platte at Keystone 290 214 327 343
Keystone Diversion 92 0 0 617
North Platte at North Platte 540 505 555 625
South Platte at Roscoe 74.5 36.8 79.4 16.7
South Platte at North Platte 134 136 194 117
Supply Canal Diversion 749 693 963 713
Platte at Overton 736 668 814 740
Platte at Kearney 728 2450 625 687
Platte at Grand Island 625 1360 1050 952

Charts

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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.