State Stormwater General Permits Certain, limited land disturbing activities can be covered by Post-Construction General Permits, which do not require a detailed technical review by DEMLR. Please see the table below for the activities that can be covered under general permits, copies of the permits, and application forms. *Note that these general permits are not the same as Industrial General Permits, which can be found here. State Stormwater General Permits GP Number - Name Application Permit Text SWG 01 - Single Family Residence NOI Permit SWG 02 - Bulkheads & Boat Ramps NOI Permit SWG 03 - Clearing & Grading NOI Permit SWG 04 - Linear Utility Projects NOI Permit SWG 05 - Residential Development less than 1 acre NOI Permit As of 1/1/2017, the SWG06 Low Density general permit is no longer offered. Low density projects may apply under the Standard Permitting Process or the Fast Track Permitting Process (if the project qualifies).