Spring discharge, or resurgence, is determined by the spring's recharge basin.

In the process, it vented gas into the air and discharged wastes laced with industrial solvents and radioactive substances into recharge basins and leaching pools.

Now the Japanese import is on Long Island, rising from a recharge basin on Route 110 between the Northern State Parkway and Jericho Turnpike.

Severe flooding conditions in the City of Glen Cove, caused by improper drainage at two recharge basins serving Viola Drive, would also be alleviated with this desilting project, Mr. Rusinoff said.

Last month they announced plans to pump water at the leading edge of the plume, where tritium concentrations are below Federal standards for safe drinking water, to a recharge basin near the center of the lab property.

Mr. Baier said the county also had questions about a carbon-filter treatment that was supposed to remove non-nuclear contaminants from water piped to the recharge basin.

A covered dry well that disposes of sewage is called a cesspool, while an open pit that receives storm water and dissipates it into the ground is called a recharge basin or infiltration basin.

Between exits 63 and 64, the eastbound service road was intended to weave around a recharge basin and replace a local residential street.

Mr. Fullmer said contaminants could be reduced by sending runoff into recharge basins.

Storm drains may discharge into man-made excavations known as recharge basins or retention ponds.