8931

Total

1,800,000

39,400,000

35,624

Source: U.S. Environmental Protection Agency (EPA), 1992, National water quality inventory: 1990, Report to Congress (Washington, D.C.).

Source: U.S. Environmental Protection Agency (EPA), 1992, National water quality inventory: 1990, Report to Congress (Washington, D.C.).

TABLE 7.2.5 CAUSES AND SOURCES OF SURFACE WATER POLLUTION IN THE UNITED STATES, 1990

Causes of

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