Stormwater Permits

Stormwater Management Permits

Construction activities of any kind that disturb greater than one (1) acre (43,560 square feet) or are part of a common plan of development or sale that will disturb greater than one (1) acre must have an approved stormwater management permit or a waiver of the requirement for a stormwater management permit from the Northampton Department of Public Works.

The requirements and procedures for stormwater management permits are defined by:

Permit Forms

Permit Fees

Project TypePermit Review and Inspection Fee
Residential Site (1 unit and 1-5 Acres Disturbed)$700
Residential Site (1 unit and greater than 5 Acres Disturbed)$1,100
Minor Residential Subdivision (1 lot and disturbing 1 to 5 acres of land)$700 or $1 per linear foot of roadway or common driveway (whichever is greater)
Residential Subdivision (2 or more units in a common plan of development)$2,000 or $2 per linear foot of roadway or common driveway (whichever is greater)
Other Residential such as condominiums, townhouse or retirement development (2 or more units in a common plan of development)$700 per acre disturbed (maximum of $5,000)
Commercial Subdivision$2,000 or $2 per linear foot of roadway or common driveway (whichever is greater)
Commercial or Industrial Site$700 per acre disturbed (maximum of $5,000)
Land Disturbance Only (No change in site use, buildings and impervious surface area). May include reconstruction of parking lots, roads, and driveways; utility work; and lawn and landscaping work.)$100 per acre disturbed

Permit Archive

Stormwater Management Permits Resources and Guidance