Welcome To The Tanga-UWASA website....Enjoy a Quality of Service from Tanga UWASA                                                   TOLL FREE NUMBERS: 0752/0782 800001 or 0713800252 for Reporting Leakages Only       ::- E-mail: uwsa-tanga@kaributanga.com   P. O. Box 5011, Tanga - Tanzania    Phone: +255(0)272644626/7 | Fax: +255(0)272647545   ::-   ::- Customer Service hours         Monday to Friday(Excluding public holiday) 07:30hrs to 15:30hrs Saturdays 09:00hrs to 12:30hrs Reporting Leakages 24hrs
Water Glossary: A B C D E F G H IL M N O PQ R S T UV WZ

calcium carbonate

A powder occurring in nature in various forms, as calcite, chalk, and limestone, which is used in polishes and the manufacture of lime and cement



The process by which water rises through rock, sediment or soil caused by the cohesion between water molecules and an adhesion between water and other materials that "pulls" the water upward.



A mechanical device that uses centrifugal or rotational forces separate substances of different densities, such as solids from liquids or liquids from other liquids.



A covered hole or pit for receiving sewage.



(1) Related to the science of chemistry; (2) a substance characterized by a definite chemical molecular composition



the treatment of a substance, such as drinking water, with chlorine and ammonia (chloramines) in order to kill disease-causing organisms.


chloride (Cl-)

One of the major anions commonly found in water and wastewater. Its presence is often determined by ion chromatographic or volumetric analysis. Consumers who drink water with concentrations of chloride exceeding a secondary maximum contaminant level of 250 milligrams per liter may notice a salty taste.*



The treatment of a substance, such as drinking water, with chlorine in order to kill disease-causing organisms.


chlorine (Cl)

A chemical element used as a disinfectant in drinking water and wastewater treatment processes.



A naturally occurring element found in air, soil, water, and food.



Clearness of liquid, as measured by a variety of methods.*



The process, such as in treatment of drinking water, by which dirt and other suspended particles become chemically "stuck

together" so they can be removed from water.

coliform bacteria


Bacteria of the family Enterobacteriaceae, commonly found in the intestinal tracts of warm-blooded animals. In sanitary bacteriology, these organisms are defined as all aerobic and facultative anaerobic, gram-negative, nonspore-forming, rod-shaped bacteria that ferment lactose with gas and acid formation within 48 hours at 95° Fahrenheit (35° Celsius).*



A physical characteristic describing the appearance of water (different from turbidity, which is the cloudiness of water). Color is frequently caused by fulvic and humic acids.*



Water vapor changing back into liquid.


condensation surfaces

Small particles of matter, such as dust and salt suspended in the atmosphere, which aid the condensation of water vapor in forming clouds.



A measure of the ability of the water to conduct electrical current. It is used as a measure of the dissolved solids in the water.


confined aquifer

An aquifer that is bound above and below by dense layers of rock and contains water under pressure.


conjunctive Use

Storing imported water in a local aquifer, in conjunction with groundwater, for later retrieval and use.



Act of using the resources only when needed for the purpose of protecting from waste or loss of resources



An impurity that causes air, soil, or water to be harmful to human health or the environment


cubic foot

A frequent water industry term of measurement, as in cubic feet per second. One cubic foot (cf) equals 7.48 gallons. A cubic foot per second is 450 gallons per minute.


Previous | Next