Complex sentence: At this point, the river contains mainly wastewaters and storm water from the city and is also heavily polluted with sewage; consequently, the Tequendama Falls has become one of the largest wastewater falls in the world.
Split into simpler sentences: At this point, the river contains mainly wastewaters and storm water from the city and is also heavily polluted with sewage. Consequently, the Tequendama Falls has become one of the largest wastewater falls in the world.