Another (yes, another) potentially harmful algal bloom on the Wallkill

Workers replacing the Route 299 bridge in New Paltz may be exposed to toxins in the air or water, if the algae bloom contains harmful strains. (Photo by Jason West / Wallkill River Watershed Alliance)
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On August 24, New Paltz community members reported to Wallkill River Watershed Alliance (via Facebook) an algae bloom that made the river throughout the heart of New Paltz appear like pea soup from bank to bank. The bloom was documented, to a lesser extent, as far downstream as Rifton. This is the second bloom in a week documented by the Alliance and Riverkeeper.

Based on visual evidence, the algae appears very similar to past algae blooms that Wallkill River Watershed Alliance scientists have documented as potentially hamrful because some strains of species in the genera present can produce toxins that would put people, pets, livestock and wildlife at risk from exposure through the air or water (inhalation, ingestion or skin contact). Here is some background from our blog post on the last harmful algae bloom, and below are some photos from August 24:

Workers replacing the Route 299 bridge in New Paltz may be exposed to toxins in the air or water, if the algae bloom contains harmful strains. (Photo by Jason West / Wallkill River Watershed Alliance)

Algae covered the river at the village boat launch at Sojourner Truth Park. If nutrients produce algae or slime that impair recreational use, then state Water Quality Standards have been violated. (Photo by Jason West / Wallkill River Watershed Alliance)

We are working with the Department of Environmental Conservation and engaging the Ulster County Department of Health to confirm whether or not this algae bloom is harmful, and to communicate any risks to the public.