Summer 2026 Water Quality Forecast for Island Park

This article was originally published in Island Park News on May 29, 2026 Ice melted on Island Park Reservoir on March 31, 2026—four weeks earlier than normal and the earliest the Henry’s Fork Foundation (HFF) has observed in 12 years of monitoring. Such an early ice melt was not unexpected given the region’s near-record warm … Continue reading Summer 2026 Water Quality Forecast for Island Park