2 Authority and Statement of IDDE Responsibilities
2.1 LIegal Authority
As part of the Nashua Revised Ordinances (NROs), the City adopted a Stormwater Management
ordinance in 1998 to address runoff from sites being developed or redeveloped. Since then, the
ordinance has been reviewed and revised to incorporate requirements of the 2003 MS4 Permit and
address other necessary language modifications. Through the City Charter and Nashua Revised
Ordinances, adequate legal authority 1s provided to:
e =Prohibit ilicit discharges
e Investigate suspected illicit discharges
e =Eliminate illicit discharges, including discharges from properties not owned by or controlled by
the MS4 that discharge into the MS4 system
e Implement appropriate enforcement procedures and actions.
A copy of NRO Article XXXT Stormwater Management is included in Appendix A. The Stormwater
Management ordinance and related land use regulations and policies will be reviewed for consistency
with the 2017 MS4 Permit.
2.2 Statement of Responsibilities
The Division of Public Works takes the lead in implementing the IDDE program. Other agencies or
departments with responsibility for aspects of the program include:
e Division of Public Works/Engineering: Responsibilities for the Engineering Department
include managing the GIS, creating and updating maps of inventory, creating the written [DDE
program, and conducting dry weather screening.
e Division of Public Works/ Wastewater: Responsibilities for the Wastewater Department include
investigation of suspect sources using dye testing and CCTV inspection, implementing
catchment, training employees on IDDE implementation, conducting dry and wet weather
outfall screening, testing of samples in their laboratory.
e = Division of Public Works/Solid Waste: Responsibilities for the Solid Waste Department are
running the Hazardous Waste Collection program.
Hic it Discharge Detection and Himination Plan 6
