NEW YORK (AP) — A clean-water advocate who previously attempted to swim New York City's polluted Gowanus Canal will try again.

The Wall Street Journal (http://nydn.us/1ReyozZ ) says Christopher Swain will don protective gear and jump into the canal on Saturday.

The canal runs over 1½ miles through a narrow industrial zone near some of Brooklyn's wealthiest neighborhoods.

Once a major transportation route, it's now so polluted with industrial and sewer discharges that it must, by law, be cleaned up.

The 47-year-old Boston environmental activist swam the canal in April on Earth Day but had to abandon it after a mile due to rain.

Swain says his dream is for the Gowanus Canal to one day become an after-school swimming hole — and not just for people in hazardous-materials suits.

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Information from: The Wall Street Journal, http://www.wsj.com