A. 
Any drain or conveyance, whether on the surface or subsurface, that allows any non-stormwater discharge including sewage, process wastewater, wash water, grass clippings, refuse, compost, and leaves to enter a regulated small MS4 or to enter the surface waters of this Commonwealth is prohibited.
B. 
Illicit discharges.
(1) 
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 Subsection C below; and 2) discharges authorized under a state or federal permit.
(2) 
Any person or entity that causes an unauthorized non-stormwater discharge or discharge into or from the MS4 that results in or contributes to a violation of the Township's MS4 NPDES permit is subject to the enforcement provisions of Article VIII.
(3) 
Any drain or conveyance connected from a commercial or industrial land use to a storm sewer, which has not been approved by the Township, is prohibited.
C. 
The following discharges are authorized unless they are determined to be significant contributors of pollution to a regulated small MS4 or to the waters of this Commonwealth:
(1) 
Discharges or flows from fire-fighting 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) 
Non-contaminated irrigation water, water from lawn maintenance, landscaping drainage, and flows from riparian habitats and wetlands.
(4) 
Diverted stream flows and springs.
(5) 
Non-contaminated pumped groundwater and water from foundation footing drains and crawl space pumps.
(6) 
Non-contaminated HVAC condensation and water from geothermal systems.
(7) 
Residential (i.e., not commercial) vehicle and external building wash water where cleaning agents are not utilized.
(8) 
Non-contaminated hydrostatic test water discharges, if such discharges do not contain detectable concentrations of TRC.
(9) 
Dechlorinated swimming pool discharge that is completely infiltrated or used as irrigation without entering a storm sewer system.
D. 
In the event that the Township or DEP determines that any of the discharges identified in § 173-40C significantly contribute pollutants to a regulated small MS4 or to the waters of this Commonwealth, the Township or DEP will notify the responsible person(s) to cease the discharge.
E. 
In the event that the Township or DEP discovers an illicitly connected drain or conveyance to a storm sewer which was not previously approved, the illicit connection must be eliminated if unauthorized non-stormwater discharges could enter the storm sewer.
Roof drains and sump pumps shall discharge to infiltration or vegetative BMPs and to the maximum extent practicable satisfy the criteria for disconnected impervious areas (DIAs).
"Dumping" and/or unregulated disposal of waste, including but not limited to yard waste, construction refuse, paint, petrochemicals, domestic solid waste, etc., is prohibited. The activity of dumping does not need to directly drain into a concentrated discharge or collection system to be prohibited. Dumping prohibitions do not include incidental, short-term, temporary storage of soon-to-be-used materials that pose a low risk for stormwater runoff pollution (e.g., mulch piles for domestic gardening, stone piles for driveway sub-base, brick pallets for home construction, etc.), nor agricultural activity or forest management and timber operations, provided that the activities are performed according to the requirements of 25 Pa. Code Chapter 102.
Open storage of pollutants, including but not limited to uncapped barrels, leaking containers, chemical tank drainage, etc., is prohibited. The activity of openly storing pollutants does not need to directly drain into a concentrated discharge or collection system to be prohibited. Open storage prohibitions do not include agricultural activity or forest management and timber operations, provided that the activities are performed according to the requirements of 25 Pa. Code Chapter 102.
If, because of an accident or other activity or incident, a toxic substance or another substance which would endanger downstream users of the waters of this Commonwealth, would otherwise result in pollution or create a danger of pollution of the waters, or would damage property, is discharged into these waters, including sewers, drains, ditches or other channels of conveyance into the waters, or is placed so that it might discharge, flow, be washed or fall into them, it is the responsibility of the person at the time in charge of the substance or owning or in possession of the premises, facility, vehicle or vessel from or on which the substance is discharged or placed to immediately notify the Township and DEP by telephone of the location and nature of the danger and, if reasonably possible to do so, to notify known downstream users of the waters.
No person shall modify, remove, fill, landscape, or otherwise alter any SWM or Conveyance Facilities, best management practices (BMPs), areas, or structures that were installed as a requirement of this chapter or previous Stormwater Management Ordinances without the written approval of the Township, unless it is part of an approved maintenance program.