13.-1600. Thickening ponds.

13.- WASH Glossary.
13.-1599. Thermophilic digestion.
13.-1598. Thermophilic composting.
13.-1597. Thermophile.
13.-1596. Thermoelectric power water use.
13.-1595. Thermo-tolerant coliforms - ( TTC ).
13.-1594. Thermal power plant.
13.-1593. Thermal pollution.
13.-1592. Texture - ( rock texture ).
13.-1591. Tertiary.
13.-1590. Tertiary wastewater treatment.
13.-1589. Tertiary treatment.
13.-1588. Tertiary filtration.
13.-1587. Tertiary filtration and disinfection.
13.-1586. Terrapreta.
13.-1585. Terrapreta sanitation.
13.-1584. Temperature.
13.-1583. Technical operational skills.
13.-1582. Tara pump.
13.-1581. Tankering - ( trucking ).
13.-1580. Tailwater.
13.-1579. System template.
13.-1578. System curve.
13.-1577. Syphon.
13.-1576. Symbiosis.
13.-1575. Sweet water.
13.-1574. Sustainable.
13.-1573. Sustainable yield.
13.-1572. Sustainable sanitation.
13.-1571. Sustainable land management.