title: The increasing need for science to inform policy--more than 30 years passage Clean Water Act.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Hirsch
authors.forename: Pixie A
authors.initials: PA
authors.lastname: Hamilton
authors.forename: Timothy L
authors.initials: TL
authors.lastname: Miller
mesh_terms: D004777:Environment; D004784:Environmental Monitoring / Q000379:methods*; D005544:Forecasting; D011640:Public Policy; D014481:United States; D014865:Waste Disposal, Fluid / Q000331:legislation & jurisprudence; D014876:Water Pollution / Q000331:legislation & jurisprudence* / Q000517:prevention & control*; D014881:Water Supply / Q000331:legislation & jurisprudence