Reservoir/River Data

Readings for Saturday, June 21, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,232.4 = 924,600ac-ft (53% capacity) 3,234.0 3,237.6 3,239.1
Jeffrey Lake 2,758.4 2,758.2 2,758.5 2,758.3
Johnson Lake 2,618.3 2,617.6 2,618.3 2,618.3
Elwood Reservoir 2,598.3 2,598.9 2,597.3 2,595.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy N/A 600 518 995
Total Outflows from McConaughy N/A 3,000 2,347 2,695
North Platte at Keystone N/A 1,190 617 985
Keystone Diversion 1,800 1,810 1,730 1,710
North Platte at North Platte 1,650 1,350 779 1,120
South Platte at Roscoe 89.0 113 44.4 207
South Platte at North Platte 184 230 178 454
Supply Canal Diversion 2,268 2,252 2,014 2,276
Platte at Overton 2,070 2,070 1,810 2,170
Platte at Kearney 1760 1700 1160 1270
Platte at Grand Island 1220 1680 310 1400

Charts

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McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
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Lake McConaughy Historical
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Johnson Lake One Month
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Johnson Lake Historical
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Elwood Reservoir One Year
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Elwood Reservoir Historical
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Jeffrey Lake One Month
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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.