Reservoir/River Data

Readings for Monday, June 8, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,222.9 = 739,000ac-ft (42.4% capacity) 3,225.1 3,229.3 3,234.9
Jeffrey Lake 2,758.5 2,758.5 2,757.2 2,758.4
Johnson Lake 2,618.1 2,618.6 2,617.7 2,618.1
Elwood Reservoir 2,600.3 2,601.0 2,597.5 2,599.4

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 106 106 237 864
Total Outflows from McConaughy 3,000 3,200 675 2,435
North Platte at Keystone 1,170 1,370 247 665
Keystone Diversion 1,830 1,830 428 1,770
North Platte at North Platte 1,300 1,470 287 879
South Platte at Roscoe 6.79 29.1 40.8 116
South Platte at North Platte 131 144 138 278
Supply Canal Diversion 2,306 2,284 1,064 2,265
Platte at Overton 2,150 2,150 609 2,080
Platte at Kearney 1950 1570 20.3 2440
Platte at Grand Island 1650 1510 93.3 2610

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.