State/Federal National Pollutant Discharge Elimination System (NPDES) Permit

Required for discharges of more than 10,000 gallons of water a day within a one-month period, or any discharge of waste to surface or groundwater. Agricultural activities which may require this permit include animal waste facilities, aquaculture operations, crop irrigation, and large concentrated animal feeding operations.

Issuing Agency
Maryland Department of the Environment
Water Management Administration
Water/Wastewater Permits Program
1800 Washington Blvd
Baltimore, MD 21230
(410) 537-3323