The purpose of this comprehensive stormwater management ordinance is to promote health, safety, and welfare within Springfield Township by minimizing the damages described in Section 101.A of this Ordinance through provisions designed to:
A. Provide procedures, performance standards, and design criteria for stormwater planning and management.
B. Utilize and preserve the existing natural drainage systems as much as possible.
C. Manage stormwater impacts close to the runoff source to reduce runoff volumes and mimic predevelopment hydrology.
D. Promote alternative project designs and layouts that minimize negative impacts to surface and groundwater.
E. Promote nonstructural Best Management Practices.
F. Maintain groundwater recharge to prevent degradation of surface and groundwater quality and to otherwise protect water resources.
G. Minimize increases in stormwater runoff volume.
H. Maintain existing flows and quality of streams and watercourses.
I. Meet Water Quality requirements under State law, including regulations at 25 Pa. Code Chapter 93.4a to protect and maintain “existing uses” and maintain the level of water quality to support those uses in all streams, and to protect and maintain water quality in “special protection” streams.
J. Prevent streambank and streambed scour and erosion.
K. Provide for proper operation and maintenance of all permanent stormwater management practices that are implemented within the Township.
L. Provide standards to meet NPDES permit requirements.
(Ord. 186, passed 9-12-2017)