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Pollution is harming water quality. Mayflies indicate clean water while rat tail maggots suggest pollution from factories improperly disposing of chemicals, dumping, and organic waste. Living things in polluted waters can develop diseases over time, potentially spreading to other animals and causing problems for humans who rely on the water. Three-quarters of Africans depend on groundwater, yet pollution and climate change endanger water access for over 300 million people on that continent.







