A. 
No person may undertake land disturbance activity, including clearing, grading, and excavation in which any one or more of the following criteria are met without a stormwater management permit from the Authorized Enforcement Agency pursuant to this chapter and regulations promulgated hereunder:
(1) 
The total cumulative disturbed area exceeds 20,000 square feet.
(2) 
The proposed disturbed area constitutes a critical area as defined in § 154-2 of this chapter.
(3) 
The proposed disturbed area is located on a parcel of land having more than 5,000 square feet of existing impervious area and the project will result in a net increase of 30% or more of impervious area.
B. 
Exemptions. The activities listed as exempt under § 154-3 of this chapter do not require a stormwater management permit under this chapter.
Permits and procedures shall be defined and included as part of any rules and regulations promulgated under this chapter.
The Enforcement Agency shall establish and may periodically amend a schedule of fees under this chapter, with the approval of City Council. The Enforcement Agency shall obtain with each submission an application and review fee, and an inspection fee fixed by the Enforcement Agency to cover expenses connected with the application review of the stormwater management permit and to cover DPW costs in ensuring adherence to the applicant's permit conditions. Authority for the Enforcement Agency is granted pursuant to MGL c. 40, § 22F. The applicant must hire a registered professional engineer (P.E.) in the Commonwealth of Massachusetts to certify that the plans are in accordance with the City's standards. The Enforcement Agency is authorized to retain professional consultation at the applicant's expense from applicable City departments or a third-party professional consultant for expert engineering or other services to advise the Enforcement Agency on any or all aspects of the applicant's permit.
A. 
The Enforcement Agency may waive strict compliance with any requirement of this chapter or the rules and regulations promulgated hereunder, where:
(1) 
Such action is allowed by federal, state and local statutes and/or regulations;
(2) 
Is in the public interest; and
(3) 
Is not inconsistent with the purpose and intent of this chapter.
B. 
Any applicant may submit a written request to be granted such a waiver. Such a request shall be accompanied by an explanation or documentation supporting the waiver request and demonstrating that strict application of this chapter does not further the purposes or objectives of this chapter.
C. 
All waiver requests shall be reviewed by the Enforcement Agency and, if necessary, discussed with other City departments.