Three of the Great Lakes are below their long-term averages through July, according to recent data, but the lower lakes, Erie and Ontario, are showing higher water levels than average. "Despite ...

Fall is the season when evaporation is the highest over the Great Lakes. The Great Lakes usually start their seasonal water level decrease in August. The August heat warms the Great Lakes water to ...

Great Lakes water levels are showing a mixed trend in July, with some rising and others declining. Lakes Superior and Michigan-Huron are below their long-term average levels but are expected to peak ...

Lake Mead’s water level rose about 3 feet above projections in December, following significant November rainfall in California. The Colorado River, which feeds Lake Mead, is under unprecedented strain ...