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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 | 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 | *sand and salt for de-icing |
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
MS4s must have a program to prevent or reduce pollutant discharges from municipally owned or operated properties.