Sewage usually go through some septic tank or through a sewage treatment system of tanks if it does not otherwise go directly into the city's sewer system or into some body of water.
Most of the water used ends up in the city or public sewer system which inevitably winds up in our rivers, lakes, and oceans. A shortage of water can cause outbreak of diseases, not to mention, the dehydration in people and loss of crops. Most, if not all, of our water can be recycled. That is, tap or potable water from our reservoirs used for drinking and washing which mostly end up in the septic tanks or some sort of sewage treatment facility can be recycled back into toilets and for general purpose cleaning: washing cars, streets, the home, the place of work, watering lawns, gardens, and house plants. This not only represents avoidance of "water shortage emergencies", but also a great savings in costs.
EM can greatly help accomplish the above recycling, including, considerable reduction, if not elimination, of foul odor, of sludge, and the cleaning of our rivers, lakes, and oceans. EM prevents corrosion through the suppression of activities of free radicals and therefore prevents the deterioration of the sewer system and tanks. This would translate into long term savings in maintenance cost. As EM pervades throughout the sewer system and into the rivers, lakes, and oceans, EM creates a condition in which plant life can propagate. And such revitaliztion of plant life along river banks, shorelines, and sea coasts, can prevent their erosion.