1. Navajo Nation Clean Water Act Navajo Nation Environmental Protection Agency Water Quality/NNPDES P.O. Box 339 Window Rock, AZ 86515 928-871-7599

2. What Is the Clean Water Act? CWA is a federal law that was passed as the Federal Water Pollution Control Act Amendments in 1972. – Rivers and Harbors Act (1899) – Water Pollution Control Act (1948) – Federal Water Pollution Control Act (1956) – Water Quality Act (1965) In 1977, amended to Clean Water Act.

3. This gave the Environmental Protection Agency the authority to implement pollution control programs – Setting wastewater standards for industry – Set water quality standards for all contaminants in surface waters – Unlawful for any person to discharge any pollutant from a point source into navigable waters, unless a permit was obtained under its provisions.