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Preventative Treatment for Harmful Algal Blooms at Indian Lake

For Immediate Release: 5/24/2018 2:10 pm

The City of Worcester Department of Public Works & Parks has contracted the application of aluminum sulfate (also known as alum) to Indian Lake for Thursday, May 24, 2018. We advise all persons to stay out of the water, discontinue boat use, and keep their pets out of the water for two days. Beaches will be posted prior to the application. The water will be safe to swim in on Saturday, May 26th.

Alum is a safe and effective way to control the growth of harmful, toxin-producing algae by removing phosphorus from the water. The application of alum is a common practice to maintain a healthy lake and poses minimal risk to humans and animals after application is complete. The application is coordinated with the Indian Lake Watershed Association and has been approved by the Worcester Conservation Commission.

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