The City of Madison was issued a Municipal Separate Storm Sewer System (MS4) Individual Permit, NPDES Number ALS000014
on May 1, 2015 by the Alabama Department of Environmental Management (ADEM)
. ADEM administers all major federal environmental laws, including the Clean Air, Clean Water and Safe Drinking Water acts as well as federal solid and hazardous waste laws. The City of Madison NPDES (National Pollutant Discharge Elimination System) Permit requires the City to implement a Storm Water Management Program Plan (SWMP) that effectively reduces or prevents the discharges of pollutants into receiving waters. The City is required to prepare and submit an annual report each year to ADEM to ensure compliance with federal and state laws.
A Municipal Separate Storm Sewer System (MS4) does not solely refer to municipally owned storm sewer systems, but may include but not be limited to roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, or storm drains.