Water pollution

Total dissolved solids (TDS) is a measure of the combined content of all inorganic and organic substances contained in a liquid in molecular, ionized or micro-granular (colloidal sol) suspended form.

Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places.

Eutrophication (Greek: eutrophia (from eu "well" + trephein "nourish".); German: Eutrophie), or more precisely hypertrophication, is the depletion of oxygen in a water body, which kills aquatic animals.

Tap water (running water, city water, municipal water, etc.) is water supplied to a tap (valve).

Bioassay (commonly used shorthand for biological assay or assessment), or biological standardization is a type of scientific experiment.

Straw is an agricultural by-product, the dry stalks of cereal plants, after the grain and chaff have been removed.

The chemical compound trichloroethylene (C2HCl3) is a halocarbon commonly used as an industrial solvent.

Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids and gases from contaminated water.

Water cooling is a method of heat removal from components and industrial equipment.

The term fish kill, known also as fish die-off, refers to a localized die-off of fish populations which may also be associated with more generalized mortality of aquatic life.

Blackwater is used to describe wastewater containing feces, urine and flushwater from flush toilets along with anal cleansing water (if water is used for cleansing) or toilet paper.

An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer.

A sanitary sewer or "foul sewer" is an underground carriage system specifically for transporting sewage from houses and commercial buildings through pipes to treatment or disposal.

Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, industries, mills, and mining operations.

Urban runoff is surface runoff of rainwater created by urbanization.

A check dam is a small, sometimes temporary, dam constructed across a swale, drainage ditch, or waterway to counteract erosion by reducing water flow velocity.

Erosion control is the practice of preventing or controlling wind or water erosion in agriculture, land development, coastal areas, river banks and construction.

Water quality refers to the chemical, physical, biological, and radiological characteristics of water.

Automotive oil recycling involves the recycling of used oils and the creation of new products from the recycled oils, and includes the recycling of motor oil and hydraulic oil.

Greywater (also spelled graywater, or grey water/gray water) or sullage is all wastewater generated in households or office buildings from streams without fecal contamination, i.

Thais per capita generate an estimated 1.

Blackwater is a form of pollution produced in coal preparation.