A soft ad market could bring their annual shortfall as high as $100 million.
By 2025, the annual shortfall will total $60 billion in today's dollars, according the the Congressional Research Service.
Drinking water faces an annual shortfall of $11 billion to manage their aging facilities and comply with federal regulations.
The worst annual shortfall - $237 million - occurred this academic year after the Kean administration budgeted only 91.8 percent of the required amount.
Even if the museum paid that off, he said it would still have an annual shortfall of $80,000 to $100,000 after maintaining basic operations.
Now there is an annual shortfall of about $50,000 that is made up by taxpayers.
As a result, the Mayor's budget aides forecast annual shortfalls that will increase to nearly $3 billion by 2001.
Meanwhile, every penny of unrestricted money in the endowment was eventually spent to deal with the annual shortfalls.
And then the budget cuts get worse each year as the annual shortfall quintuples over the following decade.
The loss of the science foundation money will result in an annual shortfall of about $400,000.