Reservoir/River Data

Readings for Monday, June 16, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,233.6 = 949,500ac-ft (54.5% capacity) 3,235.0 3,238.5 3,239.8
Jeffrey Lake 2,758.5 2,758.6 2,758.5 2,758.7
Johnson Lake 2,618.1 2,617.9 2,616.4 2,617.2
Elwood Reservoir 2,598.7 2,599.3 2,596.9 2,595.6

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 632 817 393 945
Total Outflows from McConaughy 3,040 2,400 2,870 3,020
North Platte at Keystone 1,270 670 1,130 1,310
Keystone Diversion 1,770 1,730 1,740 1,710
North Platte at North Platte 1,370 938 943 1,340
South Platte at Roscoe 124 101 21.8 247
South Platte at North Platte 241 254 153 301
Supply Canal Diversion 2,225 2,249 2,051 2,256
Platte at Overton 2,070 2,080 1,990 2,160
Platte at Kearney 1780 2150 47.2 1600
Platte at Grand Island 1520 2540 5.08 1680

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.