Reservoir/River Data

Readings for Thursday, July 3, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.8 = 892,100ac-ft (51.2% capacity) 3,231.6 3,235.5 3,237.6
Jeffrey Lake 2,758.5 2,758.7 2,758.3 2,758.7
Johnson Lake 2,618.3 2,617.8 2,618.0 2,618.2
Elwood Reservoir 2,600.1 2,598.1 2,598.2 2,594.6

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 506 524 883 878
Total Outflows from McConaughy 1,626 1,772 1,944 2,188
North Platte at Keystone 226 142 194 488
Keystone Diversion 1,400 1,630 1,750 1,700
North Platte at North Platte 420 1,440 1,570 552
South Platte at Roscoe 113 139 127 21.2
South Platte at North Platte 303 700 386 226
Supply Canal Diversion 1,452 2,170 -1,717 2,085
Platte at Overton 1,490 2,070 2,050 1,930
Platte at Kearney 452 2810 2690 3090
Platte at Grand Island 1440 3910 2480 2210

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.

Lake McConaughy Weekly Temperature Readings

 Data is acquired from Nebraska DNR and USGS web services and CNPPID historical readings.