Reservoir/River Data

Readings for Thursday, March 5, 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) 3,230.4 3,229.9 3,237.4
Jeffrey Lake 2,756.6 2,757.0 2,757.0 2,756.6
Johnson Lake 2,617.2 2,616.1 2,616.4 2,616.8
Elwood Reservoir 2,581.2 2,582.0 2,582.7 2,589.0

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 882 898 937 952
Total Outflows from McConaughy 390 377 650 209
North Platte at Keystone 279 268 311 21
Keystone Diversion 111 109 339 188
North Platte at North Platte 605 628 773 411
South Platte at Roscoe 40.8 65.1 209 218
South Platte at North Platte 140 199 449 174
Supply Canal Diversion 953 1,029 1,463 965
Platte at Overton 815 857 1,200 795
Platte at Kearney 498 1700 N/A 1300
Platte at Grand Island 625 848 N/A 1280

Charts

McConaughyInflows.png
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.