Human wastes are dumped on the ground or into the nearest stream. Human waste contains infectious microorganisms, which spread diseases like typhoid fever, dysentery, and hepatitis. Chemical and bacterial contents in livestock waste can pollute surface and groundwater causing the above-mentioned diseases. Hepatitis a viral disease occasionally spreads through drinking Water. Unclean water supplies, poor sanitation, and poor hygiene kill 2,668,000 people worldwide each year. Water in swimming pools is purified from pathogenic organisms by aeration and chlorination.
Some waterborne diseases are given below.
Dysentery is also an intestinal disease. It is caused by a parasite, entamoeba. This infection is transmitted by fecal chocolate-colored stool with mucous and sometimes blood.
contamination of water or food by the encysted organism. Chlorination is not effective against Patients have mild to severe abdominal cramps, diarrhea, viruses such as those that cause hepatitis
This disease proceeds from obstruction of the liver. Excess of bile from the liver enters the blood and causes yellowness of skin and eyes. It leads to loss of appetite, weakness, and fatigue.
Hepatitis is an acute inflammation of the liver. It is caused viruses and is classified as Hepatitis A, B, C, D, and E. Hepatitis A and E spread through polluted water.
Swimming is an important recreational Activity Biological contamination has also lessened the recreational value of water However, seration and chlorination treatment of serimming pool water has lessened the threat of biological by lessed the
Typhoid is a dangerous intestinal disease. It spreads by polluted water containing bacteria such as salmonella typhi, salmonella paratyphi, and salmonella enteritidis. It is characterized by continuous fever between 101°F to 104° F and irregular pulse.