Nangle Consulting Associates, Inc.
Environmental Engineering & Land Use Planning
Stormwater Outfall

Stormwater Compliance and Management Services


Evolving federal, state and local regulatory changes pertaining to stormwater management have significantly impacted both private and municipal stormwater system obligations and corresponding compliance costs. As the focus of stormwater management shifts from education, public awareness and best management practice implementation towards the quantification of stormwater discharge quality and the identification and removal of illicit discharges, NCA maintains the necessary skills and technical expertise to assist private and municipal stormwater discharge permit holders in developing management practices and a compliance program that can be implemented and lead by "in-house" personnel.  With the long anticipated revisions to the NPDES Phase II Small MS4 General Permit on the horizon, municipalities across the Commonwealth will be facing new economic and technical challenges.  NCA is ready and well equipped to meet your needs and provide assistance in the following areas.


  • Implementation of Best Management Practices
  • Design and Implementation of Complete Stormwater Management Plans
  • Evaluation of Existing Infrastructure for Compliance with Local, State and Federal Stormwater Permitting Requirements
  • Preparation of Stormwater Pollution Prevention Plans (SWPPPs)
  • Preparation of NPDES Notice of Intent (NOI) Applications
  • Dry and Wet Weather Stormwater Sampling
  • Development/Modification of Stormwater Ordinances/By-laws and Regulation
  • Outfall Inventories and Mapping
  • Infrastructure Mapping and Analysis
  • Illicit Discharge Detection and Elimination (IDDE) Plans
  • IDDE Implementation
Stormwater Catch Basin