TY - DATA AU - Copeland,Claudia ED - Library of Congress. TI - Controversies over redefining "fill material" under the Clean Water Act T2 - Report / Congressional Research Service PY - 2018///- CY - [Washington, D.C.] PB - Congressional Research Service KW - Water quality KW - United States KW - Water KW - Pollution KW - Law and legislation KW - Fills (Earthwork) N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2016; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo126769 ER -