A. 
Any drain or conveyance, whether on the surface or subsurface, that allows any nonstormwater discharge, including sewage, process wastewater, and wash water to enter a regulated small MS4 or to enter the surface waters of this commonwealth is prohibited.
B. 
In Perkiomen Township, no person shall allow, or cause to allow, discharges into a regulated small MS4, or discharges into waters of this commonwealth, which are not composed entirely of stormwater, except 1) as provided in § 247-701C below and 2) discharges authorized under a state or federal permit.
C. 
The following discharges are authorized unless they are determined to be significant contributors to pollution to a regulated small MS4 or to the waters of this commonwealth:
(1) 
Discharges or flows from firefighting activities.
(2) 
Discharges from potable water sources, including water line flushing and fire hydrant flushing, if such discharges do not contain detectable concentrations of total residual chlorine (TRC).
(3) 
Noncontaminated irrigation water, water from lawn maintenance, landscape drainage and flows from riparian habitats and wetlands.
(4) 
Diverted stream flows and springs.
(5) 
Noncontaminated pumped groundwater and water from foundation and footing drains and crawl space pumps.
(6) 
Noncontaminated HVAC condensation and water from geothermal systems.
(7) 
Vehicle wash water where biodegradable and eco-friendly cleaning agents are utilized.
(8) 
Noncontaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.
(9) 
Routine external building wash-down (which does not use detergents or other compounds).
(10) 
Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used.
(11) 
Dechlorinated swimming pool discharges.
(12) 
Uncontaminated groundwater.
D. 
In the event that Perkiomen Township determines that any of the discharges identified in § 247-701B and C significantly contribute to pollution of waters of the commonwealth, or is so notified by the DEP, Perkiomen Township or the PA DEP will notify the responsible person to cease the discharge.
A. 
Roof drains and sump pumps shall discharge to infiltration areas or vegetative BMPs to the maximum extent practicable.
B. 
Any drain or conveyance, whether on the surface or subsurface, which allows any nonstormwater discharge, including sewage, process wastewater and wash water, to enter the separate storm sewer system, and any connections to the storm drain system from indoor drains and sinks.
C. 
Roof drains and sump pumps shall not be connected to sanitary sewers.
D. 
When it is determined that the promotion of stormwater overland flow and percolation is not advantageous, subject to authorization from Perkiomen Township, roof drains and sump pumps may connect directly to the streets, storm sewer system or roadside ditches/swales.
No person shall place any structure, fill, landscaping or vegetation into a stormwater BMP or within a conservation easement which would limit or alter the functioning of the BMP without the written approval of the Township.