Reservoir/River Data

Readings for Saturday, May 10, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,239.2 = 1,069,200ac-ft (61.3% capacity) 3,239.4 3,239.0 3,242.0
Jeffrey Lake 2,758.3 2,758.0 2,757.3 2,757.3
Johnson Lake 2,617.4 2,617.7 2,618.5 2,617.3
Elwood Reservoir 2,596.6 2,596.0 2,590.4 2,592.7

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 433 500 840 794
Total Outflows from McConaughy 693 603 309 267
North Platte at Keystone 171 132 25 30
Keystone Diversion 522 471 284 237
North Platte at North Platte 320 301 355 220
South Platte at Roscoe 30.1 49.3 123 636
South Platte at North Platte 107 90 256 1,000
Supply Canal Diversion 1,124 963 1,227 1,180
Platte at Overton 837 719 727 1,180
Platte at Kearney 177 219 455 984
Platte at Grand Island 102 163 277 1700

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.