Reservoir/River Data

Readings for Friday, December 26, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,228.3 = 842,300ac-ft (48.3% capacity) 3,227.8 3,227.1 3,235.7
Jeffrey Lake 2,758.3 2,756.1 2,758.4 2,757.8
Johnson Lake 2,616.4 2,616.4 2,617.9 2,607.7
Elwood Reservoir 2,584.9 2,585.3 2,586.7 2,593.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 956 1,080 1,070 966
Total Outflows from McConaughy 235 229 637 283
North Platte at Keystone 16 16 23 44
Keystone Diversion 219 213 614 239
North Platte at North Platte 322 391 429 383
South Platte at Roscoe 184 168 130 129
South Platte at North Platte 288 262 154 205
Supply Canal Diversion 588 1,064 784 617
Platte at Overton 779 871 670 763
Platte at Kearney 1170 869 513 563
Platte at Grand Island N/A N/A 499 894

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.