The lake itself collects around 86 percent of the basin's water runoff.

This also contributes to toxic water runoff and lack of habitat for many species.

In addition, he said "the water runoff and visual impacts" would be worse at other sites.

Most programs look to control water runoff and soil erosion.

Over time continued water runoff will cause the icicle to grow.

There were minor environmental concerns due to water runoff of chemicals.

At all three levels, the bottom bed was clay, to retain water runoff.

Streets were the single most influential factor in the amount of the water runoff.

There was a channel cut in the floor for water runoff.

The town was also built in the path of normal water runoff.