Safe Drinking Water Act Latino and African American populations are at higher risk of exposure to drinking water contaminants. Contaminants found in the drinking water of such communities include nitrates, coliform, and lead, which have been linked to cancer, reproductive health problems, gastrointestinal illness, and other health problems. One study found that levels of contaminants in the drinking water of two Nebraska Native American reservations were significantly higher than regional contaminant levels. Another study found that Latino residents in Tucson, Arizona, had higher than average levels of contaminants in their drinking water, which were linked to higher rates of cancer and neurological disorders among
Drinking water reserves clean drinking water is considered a luxury. The latest Canadian government of 2015 was to spend additional funds to fix the problem but has not had success. In 1990, only 76 percent of the global population had access to drinking water. By 2015 that number had increased to 91 percent. 89% of people having access to water from a source that is suitable for drinking - called "improved water source". In 1990, most countries in Latin America, East and South Asia, and Sub-Saharan Africa were well below 90%. In Sub-Saharan Africa, where the rates are lowest, household access ranges