Reservoir/River Data

Readings for Tuesday, July 1, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,231.1 = 898,100ac-ft (51.5% capacity) 3,231.9 3,235.7 3,237.8
Jeffrey Lake 2,758.6 2,758.0 2,758.1 2,758.2
Johnson Lake 2,618.5 2,618.2 2,618.2 2,618.1
Elwood Reservoir 2,599.8 2,598.1 2,598.1 2,594.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 564 451 982 810
Total Outflows from McConaughy 1,544 1,960 2,790 2,265
North Platte at Keystone 164 190 1,040 545
Keystone Diversion 1,380 1,770 1,750 1,720
North Platte at North Platte 667 649 1,250 705
South Platte at Roscoe 154 89.0 103 21.9
South Platte at North Platte 359 213 302 331
Supply Canal Diversion 1,624 2,250 2,290 2,143
Platte at Overton 1,740 2,030 2,080 2,070
Platte at Kearney 941 1610 2340 284
Platte at Grand Island 3350 1220 2420 735

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.