Clean Water Act – Impaired Waters

Clean Water Act Timeline:
October 18, 1972 – Birthday of the Clean Water Act
1977 – NPDES Permit regulations established
1990 – Phase I Storm Water Regulations Established for Industrial
Facilities, Construction >5 acres, and Large and Medium Municipalities
1999 – Phase II Storm Water Regulations kicked in for Small Municipalities
2003 – NPDES permits required for Construction >1acre