Reservoir/River Data

Readings for Tuesday, January 20, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.7 = 870,000ac-ft (49.9% capacity) 3,229.4 3,227.9 3,236.3
Jeffrey Lake 2,755.9 2,757.1 2,756.9 2,757.3
Johnson Lake 2,616.1 2,616.6 2,615.8 2,608.4
Elwood Reservoir 2,583.5 2,583.9 2,585.2 2,591.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,190 955 1,090 1,090
Total Outflows from McConaughy 387 518 241 733
North Platte at Keystone 104 259 15 27
Keystone Diversion 283 259 226 706
North Platte at North Platte 1,160 326 366 145
South Platte at Roscoe 140 140 140 33.0
South Platte at North Platte 170 234 265 118
Supply Canal Diversion 623 587 580 873
Platte at Overton 1,460 771 678 1,290
Platte at Kearney N/A 1120 1470 1290
Platte at Grand Island N/A 1030 1100 664

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
McConaughySince1941.png
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.