Reservoir/River Data

Readings for Monday, November 17, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,226.2 = 801,500ac-ft (46% capacity) 3,226.0 3,224.4 N/A
Jeffrey Lake 2,758.6 2,758.2 2,758.5 2,757.6
Johnson Lake 2,617.3 2,618.1 2,616.0 2,617.3
Elwood Reservoir 2,587.5 2,587.6 2,589.2 2,587.6

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,170 1,200 1,130 1,200
Total Outflows from McConaughy 214 216 363 488
North Platte at Keystone 214 216 363 160
Keystone Diversion 0 0 0 328
North Platte at North Platte 505 551 705 534
South Platte at Roscoe 25.2 19.8 101 25.1
South Platte at North Platte 136 125 227 138
Supply Canal Diversion 817 901 1,259 587
Platte at Overton 668 780 1,020 651
Platte at Kearney 487 371 340 823
Platte at Grand Island 1460 435 947 1370

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.