Reservoir/River Data

Readings for Wednesday, November 11, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,204.8 = 438,000ac-ft (25.1% capacity) 3,204.2 3,202.3 N/A
Jeffrey Lake 2,758.0 2,758.1 2,757.6 2,758.1
Johnson Lake 2,617.9 2,617.0 2,617.9 2,618.0
Elwood Reservoir 2,581.4 2,581.9 2,583.3 2,587.6

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 701 730 456 1,180
Total Outflows from McConaughy 0 0 0 216
North Platte at Keystone 0 0 0 216
Keystone Diversion 0 0 0 0
North Platte at North Platte 306 340 336 551
South Platte at Roscoe 12.7 21.9 49.2 32.8
South Platte at North Platte 701 730 456 1,180
Supply Canal Diversion 585 639 588 905
Platte at Overton 9.0 13.0 16.2 3.7
Platte at Kearney 396 283 104 551
Platte at Grand Island 989 1750 300 606

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.