BETHESDA, Md. (AP) _ Despite assurances voiced by bank officials, lines of up to 60 people at a time formed at several branches of Community Savings & Loan over the weekend as customers sought to withdraw as much of their money as allowed under Maryland state regulations.

At the thrift's Rockville branch, which was open until 6 p.m. Saturday, lines of 40 to 60 people continued for much of the day. By mid-afternoon, the branch ran short of cash and began limiting cash withdrawals to $500, giving depositors checks for amounts over $500.

Community President Clayton McCuistion said in an interview with The Washington Post that depositors' money was not endangered by financial problems at the savings institution's chief real estate subsidiary, Equity Programs Investment Corp.

He told the newspaper that Community, with assets of $433 million, ''is not liable nor committed in any way on the $1.3 billion of (EPIC) mortgages.''

EPIC, of Falls Church, Va., has sold limited partnership interest in thousands of single-family homes to investors across the country. It disclosed on Friday that its payments to holders of securites are overdue.

Under orders issued by Maryland Gov. Harry Hughes, withdrawals from Community and other state-insured thrifts are limited to $1,000 a month from funds that were deposited before May, when the private Maryland Savings Share Insurance Corp. collapsed and was taken over by the state. There is no limit on withdrawal of money deposited since then.