Pursuant to §
219-4 of this chapter, all construction, development and redevelopment activities involving land disturbance of one acre or more and that discharge stormwater runoff to the City MS4, unless exempt pursuant to §
219-7 of this chapter, require a stormwater management permit (SMP). Regulated activities requiring issuance of a SMP include but are not limited to:
A. All new development and redevelopment projects.
B. Land disturbance of one acre or more, associated with development
or redevelopment of structures.
C. Development or redevelopment involving multiple separate activities
in discontinuous locations or on different schedules if the activities
are part of a larger common plan of development that all together
disturbs one acre or more of land.
D. Any other activity altering the surface of an area of one acre or
more that will, or may, result in increased stormwater runoff flowing
from the property into a public or private roadway, the MS4, or an
adjacent or abutting parcel of land.
The following activities are exempt from the requirements of Article
III of this chapter:
A. Normal maintenance and improvement of existing roadways, including
reconstruction within the existing roadway footprint, adding shoulders,
correcting substandard intersections, improving existing drainage
systems, and repaving.
B. Remedial projects performed by the City or the Commonwealth of Massachusetts
specifically designed to provide improved stormwater management, such
as projects to separate storm drains and sanitary sewers and stormwater
retrofit projects.
C. Normal maintenance and improvement of land in agricultural use, as
defined by the Wetlands Protection Act (MGL c. 131, § 40).
D. Construction, repair, and maintenance of utility lines other than
drainage (e.g., gas, water, sanitary sewerage, electric, telephone,
etc.) that will not permanently alter terrain or drainage patterns.
E. Emergency repairs to any stormwater management facility or practice
that poses a threat to public health, safety, or the environment or
as deemed necessary by the Director.
F. Projects that receive a waiver from EPA under the provisions of 40
CFR 122.26(b)(15)(i).
G. Work or projects for which all other necessary approvals and permits
have been issued before the effective date of this chapter.
H. Stormwater discharges resulting from the activities identified in §
219-6 that are wholly subject to jurisdiction under the Wetlands Protection Act and demonstrate compliance with the Massachusetts Stormwater Management Standards as reflected in an Order of Conditions issued by the Conservation Commission are exempt from compliance with Chapter
219.
Stormwater management design criteria and performance standards
shall be the same as those in the Massachusetts Storm Water Management
Standards.