Reservoir/River Data

Readings for Wednesday, October 15, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,224.1 = 761,500ac-ft (43.7% capacity) 3,223.7 3,221.7 3,232.1
Jeffrey Lake 2,758.5 2,758.1 2,758.6 2,757.8
Johnson Lake 2,617.2 2,617.5 2,611.1 2,617.6
Elwood Reservoir 2,589.3 2,589.8 2,591.2 2,592.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,030 1,010 1,370 1,150
Total Outflows from McConaughy N/A 183 1,021 589
North Platte at Keystone N/A 183 310 589
Keystone Diversion 0 0 711 0
North Platte at North Platte N/A 473 516 536
South Platte at Roscoe 115 103 31.7 80.0
South Platte at North Platte 165 161 183 104
Supply Canal Diversion 977 816 1,033 584
Platte at Overton 870 706 687 653
Platte at Kearney 1240 121 1840 258
Platte at Grand Island 450 264 1630 236

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.