| Water pollution is one of the major concerns in urban | | | | accumulated due to storms and rains in depressions |
| areas. The harmful effects of water pollution are | | | | and sinkholes. A properly designed treatment system |
| visible today in various forms whether it is the | | | | is required to get a Storm Water Pollution Prevention |
| shortage of potable water or the spread of water | | | | Plan (SWPPP) permit. The SWPP permit as it is |
| borne diseases. Pollution mainly occurs due to release | | | | known is a mandatory requirement for constructions |
| of untreated industrial effluents and sewage in water | | | | sites to deal with storm water accumulation issues. |
| bodies as well as due to accidents like oil slicks. | | | | Major industries that make use of dewatering and |
| Another kind of pollution is due to stagnant water | | | | water treatment units are |
| which poses a health hazard from contamination and | | | | - Construction |
| proliferation of diseases. | | | | - Petroleum |
| Regulatory bodies and rules | | | | - Environmental solutions for residential and industrial |
| In most countries around the world government | | | | purpose What all is needed? |
| bodies have laid down rules and regulations to curb | | | | The requirement for water treatment is often varied. |
| water pollution. In the U.S the National Pollutant | | | | Infrastructure includes dewatering equipment, water |
| Discharge Elimination System (NPDES) is a federal | | | | analysis tools, large scale holding tanks and of course |
| program that seeks to control water pollution by | | | | in-depth planning. A complete dewatering and water |
| regulating sources that discharge pollutants. Any | | | | treatment system will include different types of |
| activity that involves discharge of wastes in water | | | | filters like sand filters, bag filters, cartridge filters, |
| bodies requires a permit from the NPDES. A stringent | | | | activated carbon mesh filters, oil/water separators, |
| evaluation, treatment and monitoring program are | | | | pipes, hoses, meters and pumps. |
| required to avail of an NPDES permit. | | | | Water treatment is a continuous process and |
| An example highlighting the need for water | | | | therefore needs to be monitored regularly. Quality |
| treatment | | | | reports help to determine if the process functions at |
| Construction sites need to drain water accumulated | | | | the effective level. For example groundwater |
| due to storms and rains on a regular basis. A major | | | | sampling provides data regarding the water quality |
| source of pollution, construction sites need to | | | | and whether it's fit for use. |
| perform dewatering and groundwater control | | | | Water treatment and dewatering is a major industry |
| especially if the activity is carried out in low lying | | | | today and has contributed greatly to reducing the |
| areas. Most sites let off excess water into sewers | | | | menace of water pollution. The practices put in place |
| however in some areas it is not permissible to | | | | by the industry have become commonplace in most |
| discharge ground water unless in-depth treatment | | | | countries around the world. A number of states in |
| processes are initiated. | | | | the U.S have established standards to not only |
| Storm water management | | | | control pollution but also make optimum use of |
| Another important factor is surface water | | | | excess water. |