Reservoir/River Data

Readings for Wednesday, March 4, 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) 3,230.3 3,230.1 3,237.5
Jeffrey Lake 2,757.4 2,756.6 2,756.7 2,756.5
Johnson Lake 2,616.6 2,616.2 2,616.5 2,616.7
Elwood Reservoir 2,581.3 2,582.0 2,582.8 2,589.0

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 841 898 943 1,010
Total Outflows from McConaughy 394 386 614 204
North Platte at Keystone 283 267 269 21
Keystone Diversion 111 119 345 183
North Platte at North Platte 581 627 897 453
South Platte at Roscoe 42.2 69.0 190 232
South Platte at North Platte 145 226 355 164
Supply Canal Diversion 914 1,018 1,416 967
Platte at Overton 808 866 1,200 826
Platte at Kearney 886 1670 N/A 1350
Platte at Grand Island 533 754 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.