Clean Water Act: A Summary of the Law

Abstract

The principal law governing pollution of the nation’s surface waters is the Federal Water Pollution Control Act, or Clean Water Act. Originally enacted in 1948, it was totally revised by amendments in 1972 that gave the act its current shape. The 1972 legislation spelled out ambitious programs for water quality improvement that have since been expanded and are still being implemented by industries and municipalities. This report presents a summary of the law, describing the essence of the statute without discussing its implementation. Other CRS reports discuss implementation, including CRS Report R40098, Water Quality Issues in the 111th Congress: Oversight and Implementation, and numerous products cited in that report. The Clean Water Act consists of two major parts, one being the provisions which authorize federal financial assistance for municipal sewage treatment plant construction. The other is the regulatory requirements that apply to industrial and municipal dischargers. The act has been termed a technology-forcing statute because of the rigorous demands placed on those who are regulated by it to achieve higher and higher levels of pollution abatement under deadlines specified in the law. Early on, emphasis was on controlling discharges of conventional pollutants

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