Reservoir/River Data

Readings for Tuesday, March 3, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.7 = 890,100ac-ft (51.1% capacity) 3,230.2 3,229.9 3,237.3
Jeffrey Lake 2,757.3 2,756.6 2,757.6 2,756.8
Johnson Lake 2,616.3 2,616.2 2,616.6 2,617.1
Elwood Reservoir 2,581.3 2,582.0 2,582.8 2,589.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 881 898 945 998
Total Outflows from McConaughy 385 425 596 207
North Platte at Keystone 274 269 249 21
Keystone Diversion 111 156 347 186
North Platte at North Platte 567 618 873 412
South Platte at Roscoe 45.3 71.0 119 247
South Platte at North Platte 149 203 292 158
Supply Canal Diversion 957 1,028 1,133 1,039
Platte at Overton 825 868 1,160 867
Platte at Kearney 1010 1600 N/A 1260
Platte at Grand Island 733 762 N/A 1310

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.