Urban water pollution: When it rains the water picks up all the oil, rubber, heavy metals, and other contaminants from automobiles and causes water pollution.
Urban water pollution: When it rains in urban places there are to many buildings, so when it rains or snows the surfaces do not let it soak up and can cause water pollution due to Viruses, bacteria and nutrients from pet waste and failing septic systems.
Rural water pollution: The most common form of water pollution is excess levels of nitrogen or phosphorous, both of which are largely caused by fertilizer runoff.
Rural water pollution: Most water pollution from industrial farms results from the storage and disposal of animal waste. Industrial livestock farms store manure and other farm wastes in gigantic tanks known as “lagoons” which can hold millions of gallons of manure and urine. These lagoons often leak and they may rupture or overflow during a big storm.
Rural water pollution: nitrogen and phosphorous, are the minerals in fertilizer that promote plant growth but Nitrogen can degrade ecosystems by making water more acidic and killing some aquatic plants while promoting the growth of other kinds of plants.
EPA today announced that it has finalized New York State’s 2010 list of polluted rivers, lakes, streams and coastal waters – identifying urban stormwater runoff as their most common source of pollution.
News report: MEXICO CITY – Water pollution disasters in Mexico have turned into political battles as officials struggled Wednesday to blame each other for the problems.A town in western Jalisco state is fighting state officials over what caused the death of more than 200 tons of fish at a local lake. Jalisco state inspectors said Tuesday that the fish, a species of chub, were killed by high levels of sewage dumped into Lake Cajititlan. The head of the state forensics office, Marco Antonio Cuevas Contreras, said fecal coliform levels were six times higher than permissible limits.
The death of the fish ... was caused by the lack of oxygen due to the high level of pollution in the lake," he said.