13.-0686. Groundwater development - Groundwater exploitation.

Watsan matters
13.-0685. Groundwater dam.
13.-0684. Grit.
13.-0683. Grit chamber.
13.-0682. Grinder pump.
13.-0681. Greywater sullage.
13.-0680. Greywater footprint.
13.-0679. Grey literature.
13.-0678. Greenhouse Gas - ( GHG ).
13.-0677. Greenfield.
13.-0676. Green water.
13.-0675. Green water footprint.
13.-0674. Grease trap.
13.-0673. Gravity.
13.-0672. Gravity spring.
13.-0671. Gravitational water.
13.-0670. Gravel.
13.-0669. Gravel pack.
13.-0668. Granulometry.
13.-0667. Granular Activated Carbon - ( GAC ).
13.-0666. Graben.
13.-0665. Global Water Partnership - ( GWP ).
13.-0664. Glacier.
13.-0663. Giardiasis.
13.-0662. Giardia.
13.-0661. Geyser.
13.-0660. Germ.
13.-0659. Geothermal.
13.-0658. Geotextile.
13.-0657. Geophysics.