13.-0716. Health.

Watsan matters
13.-0715. Health and Hygiene issues.
13.-0714. Headworks.
13.-0713. Headwater(s).
13.-0712. Headwall.
13.-0711. Head - ( meters of head ).
13.-0710. Hazardous..
13.-0709. Hazardous waste.
13.-0708. Hazard.
13.-0707. Hardwater.
13.-0706. Hardware.
13.-0705. Hardness.
13.-0704. Handwashing.
13.-0703. Handwashing facility.
13.-0702. Handpump.
13.-0701. Hand-dug well.
13.-0700. Gulper.
13.-0699. Gully.
13.-0698. Gully plug.
13.-0697. Gully erosion.
13.-0696. Groundwater.
13.-0695. Groundwater, unconfined.
13.-0694. Groundwater, confined.
13.-0693. Groundwater table.
13.-0692. Groundwater runoff.
13.-0691. Groundwater recharge.
13.-0690. Groundwater recharge, groundwater renewal, groundwater replenishment.
13.-0689. Groundwater mining.
13.-0688. Groundwater level.
13.-0687. Groundwater discharge.