Reservoir/River Data

Readings for Monday, May 26, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,236.6 = 1,012,800ac-ft (58.1% capacity) 3,238.1 3,239.3 3,242.5
Jeffrey Lake 2,758.4 2,758.6 2,757.9 2,757.7
Johnson Lake 2,618.3 2,617.8 2,617.2 2,617.8
Elwood Reservoir 2,597.7 2,597.2 2,594.7 2,596.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy N/A 514 635 1,050
Total Outflows from McConaughy 3,100 2,422 567 1,797
North Platte at Keystone 1,360 702 27 757
Keystone Diversion 1,740 1,720 540 1,040
North Platte at North Platte 1,390 1,080 320 847
South Platte at Roscoe 73.7 32.7 73.7 173
South Platte at North Platte 257 214 186 350
Supply Canal Diversion 2,299 2,300 924 1,755
Platte at Overton 2,140 2,120 797 1,540
Platte at Kearney 977 90.6 281 804
Platte at Grand Island 927 184 233 1280

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
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.