Vermilion River At Pontiac, Il Realtime Data

Streamflow discharge was last observed at 36 cfs, and a gauge height of 2.85 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 62 .

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The river has several tributaries, including the Sangamon River and the Middle Fork Vermilion River, and is impounded by the Lake Vermilion Dam. Seasonal trends show that the river experiences higher flows in the spring due to snowmelt and increased rainfall, while lower flows occur in the summer and fall. Interestingly, the Vermilion River has been designated as an Illinois State Scenic River due to its natural beauty and recreational opportunities.