By Pat Loeb

PHILADELPHIA (CBS) — Receipts from Philadelphia’s sweetened beverage tax were down in April.

The tax brought in $6.5 million in April, the first decline in revenue since the city began collecting it in January. A city spokesman says it’s no cause for concern, just an off-month, the kind of fluctuation that’s normal for a new tax. But Anthony Campisi of the Beverage Industry coalition, Ax the Tax, sees it as ominous.

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“It’s not providing the stable source of revenue the mayor claims the city needs,” he said.

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The city has projected that the one-and-a-half cent an ounce tax will bring in $91 million a year, money earmarked for expanded pre-K, community schools and a rebuild of city parks, rec centers and libraries, all aimed at reducing the city’s 26 percent poverty rate.

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For the first four months, the tax has brought in $25.6 million but distributors complain it has hurt sales, and, in turn, caused job loss.