WASHINGTON (AP) — Regulators have approached big banks about borrowing billions to shore up the dwindling fund that insures regular deposit accounts.

The loans would go to the fund maintained by the Federal Deposit Insurance Corp. that insures depositors when banks fail, said two industry officials familiar with the conversations, who requested anonymity because the plans are still evolving.

Regulators also are considering levying a special emergency fee on all banks, charging regular fees early or tapping a $100 billion credit line with the U.S. Treasury, the officials said.

FDIC spokesman Andrew Gray said that while borrowing from the banks “is an option, it’s not being given serious consideration.” The board meeting where the plans will be discussed is scheduled for next week.

But a government official familiar with the FDIC board’s thinking said earlier Tuesday that the plan was being considered. He requested anonymity because he was not authorized to discuss the matter.

The fund, which insures deposit accounts up to $250,000, is at its lowest point since 1992, at the height of the savings-and-loan crisis. Ongoing losses on commercial real estate and other loans continue to cause multiple bank failures each week.

FDIC Chairman Sheila Bair wants to avoid tapping the Treasury credit line, and Treasury officials insist that the strongest banks have enough extra capital to operate, the officials said.

Comptroller of the Currency John Dugan, who is a voting member of the FDIC board, has said he doesn’t want to levy another fee on banks while the industry is still recovering.The loans would give big, healthy banks a safe harbor for their money and would limit their risk-taking, said Daniel Alpert, managing director of the investment bank Westwood Capital LLC in New York.

It also would allow the industry’s strongest players — which still rely on FDIC loan guarantees and other emergency subsidies — to help weaker banks avoid paying another fee, he said.

“Lots of banks are going to require more capital, and (Bair is) trying to rob from the rich and give to the poor,” said Alpert, who supports the plan as a creative way to avoid another bailout.

Bankers and lobbyists strongly support the plan to have some big banks lend money to the fund, since it would help still-struggling institutions avoid another fee.In a letter to Bair Monday, American Bankers Association CEO Ed Yingling endorsed borrowing from the industry or collecting regular premiums early as alternatives to charging another fee.

An earlier special fee already is having a negative economic impact, and another fee “may do more harm than good,” he said. The FDIC may settle on a plan that combines two or more of the options being considered.

A spokesman for the agency did not respond to requests for comment Tuesday morning. The New York Times reported details of the possible bank lending plan earlier Tuesday.

The FDIC estimates bank failures will cost the fund around $70 billion through 2013. Ninety-four banks have failed so far this year. Hundreds more are expected to fall in coming years largely because of souring loans for commercial real estate.

The FDIC’s fund has slipped to 0.22 percent of insured deposits, below a congressionally mandated minimum of 1.15 percent. The $10.4 billion in the fund at the end of June is down from $13 billion at the end of March, and $45.2 billion in the second quarter of 2008.

Bair last week said the FDIC board would meet at the end of the month to consider options including taking Treasury funds, assessing fees on banks in advance and again increasing the fees they must pay.

“We don’t want to stress the industry too much at this time, when they’re still in the process of recovery,” she said.

Congress in May more than tripled the amount the FDIC could borrow from the Treasury if needed to restore the insurance fund, to $100 billion from $30 billion.

The FDIC then adopted a new system of special fees paid by U.S. financial institutions that shifted more of the burden to bigger banks to help replenish the insurance fund.

The move cut by about two-thirds the amount of special fees to be levied on banks and thrifts compared with an earlier plan, which had prompted a wave of protests by small and community banks.

Bair had earlier promised a reduction in fees charged to banks if the Treasury credit line could be expanded.

The FDIC emergency premium, to be collected from all federally-insured institutions, is 5 cents for every $100 of a bank’s assets minus its so-called Tier 1, or regulatory capital, as of June 30.

Banks and thrifts paid an average premium of 6.3 cents last year.

A measure of a bank’s health, Tier 1 capital includes common and preferred stock as well as intangible assets such as tax losses that can be used to reduce future earnings.

In addition, the FDIC raised the regular insurance premiums for banks to between 12 and 16 cents for every $100 in deposits starting in April, from a range of 12 to 14 cents.

• Daniel Wagner