Reservoir/River Data

Readings for Thursday, January 15, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.6 = 868,000ac-ft (49.8% capacity) 3,228.9 3,228.0 3,236.2
Jeffrey Lake 2,757.3 2,757.7 2,756.9 2,757.8
Johnson Lake 2,616.3 2,616.4 2,616.7 2,608.2
Elwood Reservoir 2,583.9 2,584.2 2,585.5 2,591.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 954 920 1,070 1,270
Total Outflows from McConaughy 509 313 18 765
North Platte at Keystone 233 14 18 44
Keystone Diversion 276 299 0 721
North Platte at North Platte 403 346 710 168
South Platte at Roscoe 140 172 177 102
South Platte at North Platte 236 280 308 121
Supply Canal Diversion 1,214 580 633 1,148
Platte at Overton 750 802 1,660 1,210
Platte at Kearney 1530 1650 980 805
Platte at Grand Island 947 1010 1010 564

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.