Washington ? The federal flood insurance program may be going broke after incurring $20 billion in debt from recent storms like Hurricane Katrina. Still, politicians want to extend the taxpayer-subsidized coverage for some of the riskiest – and potentially most valuable – properties in the country.

For all it didn’t accomplish this year, Congress passed two bills carving out exceptions to a law passed years ago to phase out federal spending that might encourage development in environmentally sensitive and disaster-prone areas.

One of the bills benefited Jekyll Island, a vacation spot off Georgia’s coast that is poised for redevelopment, while the other helped a mostly undeveloped 10-lot subdivision on Florida’s Gulf Coast.

A handful of similar proposals are pending. After seeing the success of the Georgia and Florida bills this year, property owners in Alabama, Texas and elsewhere are lobbying for their own continued coverage.

“You only have to look at 300 miles of Katrina and Rita wasteland to see that bankrolling federal flood insurance in high-risk areas is just asking the American taxpayer to flush money down the toilet,” said Oliver Houck, director of the environmental law program at Tulane University in New Orleans. “If people want to build out there, that’s one thing. But to build out there with federal support is insane.”

The debate involves a Reagan-era environmental law called the Coastal Barrier Resources Act that was hailed as a free-market approach to conservation. Instead of restricting where private landowners could build, the law, nicknamed COBRA, mandated that the government would not subsidize such construction, whether through flood insurance, roads or otherwise.

However, Congress has repeatedly chipped away at the covered territory, often in response to wealthy property owners who argue they were mistakenly included. Lawmakers have redrawn COBRA maps more than 40 times in the past 15 years, according to the U.S. Fish and Wildlife Service, which oversees the maps.

At least four other bills stalled this year, and Fish and Wildlife officials say they have received more than 20 other requests for changes.

Even critics concede that mapping corrections are sometimes warranted and that the two exemptions approved this year are hardly a blip in the federal flood portfolio, which carries 5.4 million policies and recently eclipsed $1 trillion in coverage.

But they say Congress’ continued willingness to extend coverage is alarming, particularly in the hindsight of Katrina.

“The underlying principle is that every time COBRA runs up against individual interests, it’s always COBRA that loses,” said Steve Ellis, vice president of the watchdog group Taxpayers for Common Sense. “These are clearly areas where there’s a lot of development pressure and COBRA’s having an impact in denying that.”

Despite anecdotes that private flood insurance is unavailable, industry officials say it is for sale, just without the government subsidies.