Introduction:
Water is crucial for all aspects of life, the defining feature of our planet. Ninety seven and a half per cent of all water is found in the oceans, of the remaining freshwater only one percent is accessible for extraction and use. Functioning and healthy aquatic ecosystems provide us with a dazzling array of benefits – food, medicines, recreational amenity, shoreline protection, processing our waste, and sequestering carbon. At the beginning of the 21st century, the world faces a water crisis, both of quantity and quality, caused by continuous population growth, industrialization, food production practices, increased living standards and poor water use strategies. Wastewater management or the lack of, has a direct impact on …show more content…

* Hydraulic fracturing
Waste water constituents:
The composition of wastewater varies widely. This is a partial list of what it may contain: * Water ( > 95%) which is often added during flushing to carry waste down a drain; * Pathogens such as bacteria, viruses, prions and parasitic worms; * Non-pathogenic bacteria; * Organic particles such as feces, hairs, food, vomit, paper fibers, plant material, humus, etc.; * Soluble organic material such as urea, fruit sugars, soluble proteins, drugs, pharmaceuticals, etc.; * Inorganic particles such as sand, grit,