Governing Law and Regulations
Delaware Department of Natural Resources and Environmental Control (DNREC) Division of Water
U.S. Environmental Protection Agency (EPA) Region 3
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Delaware is fully authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) permit program and to issue individual and general permits. For more information about the federal program, see the national section NPDES PERMIT.
The state issues general NPDES permits for stormwater discharges and discharges related to the application of aquatic pesticides. See the state section STORMWATER DISCHARGE PERMITS for more information about stormwater discharge permitting.
In addition, Delaware is fully authorized to issue general NPDES permits for discharges from concentrated animal feeding operations (CAFOs) regulated under the program. Delaware follows federal NPDES rules for CAFO regulation. See the state section AG WASTE for guidance.
Delaware has adopted the federal pretreatment regulations for industrial users that ...