Reservoir/River Data

Readings for Saturday, October 25, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,224.8 = 774,700ac-ft (44.4% capacity) 3,224.4 3,222.8 3,232.5
Jeffrey Lake 2,757.2 2,758.1 2,757.7 2,757.9
Johnson Lake 2,617.9 2,616.6 2,614.1 2,617.1
Elwood Reservoir 2,588.6 2,589.1 2,590.8 2,592.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,100 1,100 1,130 1,210
Total Outflows from McConaughy 331 329 484 340
North Platte at Keystone 331 329 115 340
Keystone Diversion 0 0 369 0
North Platte at North Platte 577 626 455 680
South Platte at Roscoe 59.9 101 106 27.3
South Platte at North Platte 200 204 152 114
Supply Canal Diversion 938 1,123 833 898
Platte at Overton 861 953 713 801
Platte at Kearney 1130 340 228 1310
Platte at Grand Island 587 947 450 293

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.