MSGP. All industrial facilities seeking coverage under the federal MSGP must create and implement an SWPPP. SWPPPs must be developed and implemented before an NOI is submitted. If an SWPPP was prepared for coverage under a previous NPDES permit, the SWPPP must be reviewed and updated to implement all provisions of the current permit before the submission of an NOI. The SWPPP must include site maps showing drainage and outfall locations, an inventory of exposed materials, and BMPs. The permit provides specific SWPPP requirements for each sector.
The SWPPP is a tool to assist both the permittee and inspectors in ensuring and documenting that effluent limits are met. The plan must be kept up to date, and any changes must be documented. Failure to maintain an SWPPP is a permit violation.
State NPDES industrial stormwater permits. This plan is based on federal requirements and/or best practices. States with NPDES permitting authority issue their own state stormwater permits, and some have laws and regulations that are stricter than federal requirements. All permits should be reviewed to determine any additional requirements that may impact how you customize this plan.
Associated laws and regulatory programs. A number of other environmental laws and programs are closely tied to the CWA's stormwater regulations. Be sure to review your permit to determine what information to include in your SWPPP about their applicability to your facility. Associated laws include:
- Coastal Zone Act Reauthorization Amendments, 16 United States Code (USC) 1451 et seq.
- EPCRA, 42 USC 11001 et seq.
- ESA, 7 USC 136
- National Historic Preservation Act, 16 USC 470
- SPCC Plan, 40 CFR 112
- TMDL, 33 USC 1313