Reservoir/River Data

Readings for Monday, July 13, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,214.2 = 585,500ac-ft (33.6% capacity) 3,216.2 3,221.4 3,229.6
Jeffrey Lake 2,758.2 2,758.3 2,758.3 2,758.0
Johnson Lake 2,618.7 2,618.6 2,618.3 2,618.1
Elwood Reservoir 2,596.8 2,597.5 2,599.9 2,599.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 222 196 265 211
Total Outflows from McConaughy 2,157 2,677 3,030 1,639
North Platte at Keystone 537 867 1,210 349
Keystone Diversion 1,620 1,810 1,820 1,290
North Platte at North Platte 407 689 1,270 367
South Platte at Roscoe 6.39 15.9 9.74 30.5
South Platte at North Platte 110 109 135 178
Supply Canal Diversion 1,723 1,938 2,290 1,773
Platte at Overton 1,550 1,940 2,160 1,720
Platte at Kearney 127 114 1690 342
Platte at Grand Island 159 220 1580 756

Charts

McConaughyInflows.png
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.