[Ord. No. 246, 10/11/2023[1]]
1.
The Board of Supervisors of the Township finds that:
A.
Inadequate management of accelerated stormwater runoff resulting from development throughout a watershed increases flood flows and velocities, contributes to erosion and sedimentation, overtaxes the carrying capacity of existing streams and storm sewers, greatly increases the cost of public facilities to convey and manage stormwater, undermines floodplain management and flood reduction efforts in upstream and downstream communities, reduces groundwater recharge, and threatens public health and safety.
B.
A comprehensive program of stormwater management, including reasonable regulation of development and activities causing accelerated erosion, is fundamental to the public health, safety, welfare, and the protection of the people of the Township and all the people of the commonwealth, their resources, and the environment.
C.
Inadequate management of accelerated stormwater runoff resulting from development throughout a watershed poses a threat to surface water and groundwater quality.
D.
Through project design, impacts from stormwater runoff can be minimized to maintain the natural hydrologic regime and sustain high water quality, groundwater recharge, stream base flow and aquatic ecosystems. The most cost-effective and environmentally advantageous way to manage stormwater runoff is through nonstructural project design, minimizing impervious surfaces and sprawl, avoiding sensitive areas (i.e., buffers, floodplains, steep slopes), and designing to topography and soils to maintain the natural hydrologic regime.
E.
To effectively monitor the maintenance of base flow within the watershed, a tracking of consumptive use, including stormwater discharges and groundwater withdrawals, is critical to complying with antidegradation, goals and policy of Act 167, and the regulatory requirement to maintain base flow and stream health.
F.
The use of green infrastructure and low impact development (LID) are intended to address the root cause of water quality impairment by using systems and practices which use or mimic natural processes to: 1) infiltrate and recharge, 2) evapotranspire, and/or 3) harvest and use precipitation near where it falls to earth. Green infrastructure practices and LID contribute to the restoration or maintenance of predevelopment hydrology.
G.
Federal and state regulations require certain municipalities to implement a program of stormwater controls. These municipalities are required to obtain a permit for stormwater discharges from their separate storm sewer systems under the National Pollutant Discharge Elimination System (NPDES) program.
[1]
Editor's Note: This Part also repealed former Part 2, Stormwater Management, adopted by Ord. No. 181, 10/11/2006, as amended.