MCM 6 Pollution Prevention/Good Housekeeping
It is easier to prevent pollution at the source than restore a surface water. MS4s are the first line of defense for many pollutants entering storm sewer systems within their jurisdiction, such as
- sand and salt for de-icing
- fertilizers and pesticides on municipal properties
- vehicle fueling and maintenance chemicals
MS4s must have a program to prevent or reduce pollutant discharges from municipally owned or operated properties.