Most parts of the economy—manufacturing, mining, construction, municipalities—generate and discharge process wastewater and/or stormwater. Those discharges are extensively regulated under the Clean Water Act through a collaborative federal and state program of facility permits and regulatory standards. This updated guide is a definitive practical resource to the provisions and complexities of the federal Clean Water Act (CWA) and how it continues to evolve. Written by 21 of the country's most knowledgeable experts on the CWA, The Clean Water Act Handbook is a compilation of their experience in understanding this complex statute and its implementing regulations and guidelines.