Reservoir/River Data

Readings for Friday, June 20, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,232.6 = 928,800ac-ft (53.3% capacity) 3,234.1 3,237.9 3,239.3
Jeffrey Lake 2,758.2 2,758.2 2,758.5 2,758.6
Johnson Lake 2,618.3 2,618.0 2,618.0 2,617.8
Elwood Reservoir 2,598.4 2,599.0 2,597.2 2,595.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 555 610 520 749
Total Outflows from McConaughy 3,230 3,000 2,467 2,607
North Platte at Keystone 1,410 1,200 737 987
Keystone Diversion 1,820 1,800 1,730 1,620
North Platte at North Platte 1,710 1,320 823 1,060
South Platte at Roscoe 96.0 106 46.0 228
South Platte at North Platte 190 272 202 475
Supply Canal Diversion 2,243 2,236 2,260 2,262
Platte at Overton 2,070 2,070 1,960 2,160
Platte at Kearney 1780 1720 1010 1230
Platte at Grand Island 1410 1620 97.4 1790

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.

Lake McConaughy Weekly Temperature Readings

 Data is acquired from Nebraska DNR and USGS web services and CNPPID historical readings.