1977 Clean Water Act Amendments - emphasized need to control toxic pollutants
- ensure Federal projects meet the same standards as non-Federal projects
- help small communities meet the requirements of the CWA
- encourage industry to experiment with water treatment
- allow Federal and State governments to recover costs from oil and other hazardous substance
spills
1983 La Paz Agreement designed to protect the environment along the border region of
the U.S. and Mexico
1983 Nationwide Urban Runoff Program Study examines issues related to:
- urban runoff quality characteristics
- extent of runoff water quality significance across nation
- performance and effectiveness of runoff pollution control practices
1987 Amendment to CWA - based on research of nonpoint water pollution sources