; (4) wetlands prevent and minimize flooding by storing as much as 1,000,000 to 1,500,000 gallons of water per acre; (5) wetlands and other waters in the floodplains of rivers and streams help prevent pollution from reaching downstream waters; (6) three-quarters of fish harvested commercially depend on wetlands; (7) the Centers for Disease Control and Prevention report that [a]bout 91 million people over the age of 16 swim in oceans, lakes, and rivers each year in the United States ; (8) approximately 37 percent of water withdrawals, or 118,000,000,000 gallons per day, are used for irrigation, with 52 percent of that amount being taken from surface waters; (9) a recent study estimated that wetlands worldwide provide ecosystem services, like flood prevention and pollution filtration, worth more than $47,000,000,000,000 per year; (10) fishing and other water sports contribute $175,000,000,000 annually to the American economy and support more than 1,500,000 jobs; (11) companies often need clean water in their industrial processes or as a component of their end product, such as craft beer brewers that depend on a reliable source of clean water and add approximately $76,000,000,000 annually to the national economy while supporting more than 500,000 jobs; (12) according to one study, the ecological restoration economy, which includes mitigation for harms to waters due to discharges of dredged or fill material, directly employs~126,000 workers and generates~$9.5 billion in economic output per year, which supports an additional 95,000 jobs and $15 billion in economic output through indirect (business-to-business) linkages and increased household spending ; (13) over 318,000,000 people visited United States national parks to recreate and be inspired by thundering waterfalls, streaming geysers, desert springs, ocean beaches, and jeweled lakes, generating $40,000,000,000 for the United States economy and over 330,000 private sector jobs