Reservoir/River Data

Readings for Monday, June 30, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,231.2 = 900,200ac-ft (51.6% capacity) 3,232.0 3,236.5 3,230.0
Jeffrey Lake 2,758.7 2,758.0 2,757.9 2,757.9
Johnson Lake 2,618.5 2,618.2 2,618.8 2,618.1
Elwood Reservoir 2,599.4 2,598.1 2,597.8 2,594.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 547 437 1,220 814
Total Outflows from McConaughy 1,548 1,959 2,750 2,447
North Platte at Keystone 138 189 1,020 727
Keystone Diversion 1,410 1,770 1,730 1,720
North Platte at North Platte 756 974 1,530 655
South Platte at Roscoe 139 93.6 113 25.2
South Platte at North Platte 360 186 331 277
Supply Canal Diversion 1,957 2,252 2,274 2,127
Platte at Overton 1,770 2,060 2,080 2,000
Platte at Kearney N/A 1560 2380 168
Platte at Grand Island N/A 1540 2200 1160

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.