impervious surface

Given the chance, he said, the board might have suggested using a less impervious surface.

The area of land on impervious surfaces could potentially rise to 30 percent.

However, the portion of land on impervious surfaces could rise to 7 percent in the future.

The street has 11% less impervious surface than a regular street.

Impervious surface coverage: the emergence of a key environmental indicator.

The amount of land on impervious surfaces could be as high as 26 percent in the future.

The first three of these contain no impervious surfaces.

In 1999, a study estimated that impervious surfaces covered 54 percent of the watershed.

On 45 percent of Lucky Run, an impervious surface was observed.

Areas with low levels will be capped with an impervious surface.

The storm didn't leave it time to run off the flat, impervious surface of the basalt.

Polluted runoff from impervious surfaces is a major threat to its health.

Impervious surfaces cover about 24 percent of the basin.

A total of 30 percent of the stream is on impervious surfaces.

The fee rate usually is tied to the volume of impervious surfaces on one's property.

The cleanup plan permits capping the site with an impervious surface.

Another 2 percent is on impervious surfaces, though this could rise to 10 percent in the future.

An impervious surface, glazed tiles make the easiest finish to clean.

Urban runoff from roads and other impervious surfaces is a major source of water pollution.

Impervious surface make up 3 percent of the watershed, though this could rise to 24 percent in the future.

There are homes on the mountainside with impervious surfaces and sewers.

Rates are set on an estimated square footage of impervious surface area for both residential and commercial properties.

The end boards shall have an impervious surface and be readily cleanable.

It is also limited to sites where coverage of impervious surfaces is greater than 40%.

Investigate methods to reduce areas of impervious surface and increase natural groundwater infiltration.