Governing Law and Regulations
Delaware Department of Natural Resources and Environmental Control (DNREC) Division of Water Resources (DWR)
Delaware Department of Health and Social Services Division of Public Health (DPH) Office of Drinking 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 to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program, which includes the permitting of stormwater discharges and concentrated animal feeding operations.
Delaware also enforces the federal regulations under the Safe Drinking Water Act (SDWA), with additional, state-specific drinking water rules.
• Administration and enforcement. DNREC's DWR is responsible for the administration and enforcement of the NPDES program in Delaware, including variance requests. DPH's Office of Drinking Water has primary responsibility for administering and enforcing drinking water regulations in Delaware.
DNREC's Ground Water Discharges Section is responsible for overseeing all aspects of the siting, design, and installation of on-site wastewater treatment and septic disposal systems. DNREC's Water Supply Section is responsible for the groundwater protection program, source ...