where do most cities get their water supply
dams
-1
Section::::Technical and environmental overview.:Infrastructure.

Drinking water supply and sanitation in the United States
8713214
reservoirs
-1
Section::::Technical and environmental overview.:Infrastructure.

Drinking water supply and sanitation in the United States
8713214
well fields
-1
Section::::Technical and environmental overview.:Infrastructure.

Drinking water supply and sanitation in the United States
8713214
1273175629272405629
NONE
Section::::Technical and environmental overview.:Infrastructure.

Drinking water supply and sanitation in the United States
8713214