Reservoir/River Data

Readings for Wednesday, October 8, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,223.7 = 754,000ac-ft (43.3% capacity) 3,223.2 3,221.7 3,231.6
Jeffrey Lake 2,758.4 2,757.4 2,753.3 2,757.8
Johnson Lake 2,617.6 2,616.6 2,618.2 2,617.7
Elwood Reservoir 2,589.8 2,590.3 2,591.7 2,592.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 980 921 1,030 1,300
Total Outflows from McConaughy 308 208 1,235 190
North Platte at Keystone 182 41 310 190
Keystone Diversion 126 167 925 0
North Platte at North Platte 467 412 409 447
South Platte at Roscoe 103 115 42.5 55.6
South Platte at North Platte 157 138 145 88
Supply Canal Diversion 811 625 937 584
Platte at Overton 692 561 929 606
Platte at Kearney 131 84.1 1340 153
Platte at Grand Island 275 286 553 71.9

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.